3,901 results match your criteria Clinical Biomechanics [Journal]


Effect of humeral tray placement on impingement-free range of motion and muscle moment arms in reverse shoulder arthroplasty.

Clin Biomech (Bristol, Avon) 2019 Feb 5;62:136-143. Epub 2019 Feb 5.

Department of Human Biology, University of Cape Town, Cape Town, South Africa. Electronic address:

Background: It has been suggested that onlay humeral tray placement in reverse shoulder arthroplasty can affect impingement and muscle functionality. This study investigates biomechanical changes to the reversed shoulder using a variety of tray positional configurations.

Methods: The reconstructed scapula and humerus from 12 CT scans were used to customise a 3D biomechanical model of the shoulder. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.02.002DOI Listing
February 2019

Kinematic and kinetic differences between military patients with patellar tendinopathy and asymptomatic controls during single leg squats.

Clin Biomech (Bristol, Avon) 2019 Feb 4;62:127-135. Epub 2019 Feb 4.

National Centre for Sport and Exercise Medicine, School of Sport Exercise and Health Sciences, Loughborough University, UK.

Background: Knee valgus alignment has been associated with lower-limb musculoskeletal injury. This case-control study aims to: assess biomechanical differences between patients with patellar tendinopathy and healthy controls.

Methods: 43 military participants (21 cases, 22 controls) were recorded using 3D-motion capture performing progressively demanding, small knee bend, single leg and single leg decline squats. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.02.001DOI Listing
February 2019

Biomechanical testing of different posterior fusion devices on lumbar spinal range of motion.

Clin Biomech (Bristol, Avon) 2019 Feb 1;62:121-126. Epub 2019 Feb 1.

Center for Trauma and Orthopedic Surgery, Gemeinschaftsklinikum Mittelrhein, Ev. Stift Koblenz, Germany. Electronic address:

Background: Recent minimal-invasive posterior fusion devices are supposed to provide stability and obtain fusion in combination with interbody cages in the instrumented segment. The aim of the present study is to evaluate the primary stability of two minimal-invasive posterior prototypes compared to an established spinous process plate and standard pedicle screw instrumentation.

Methods: Seven fresh frozen human cadaver lumbar spines (L2-L5) were tested in a spinal testing device with a moment of 7. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.012DOI Listing
February 2019

Normative parameters and anthropometric variability of lumbar muscle stiffness using ultrasound shear-wave elastography.

Clin Biomech (Bristol, Avon) 2019 Jan 30;62:113-120. Epub 2019 Jan 30.

School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, USA.

Background: Quantifying stiffness of the lumbar spine musculature using shear-wave elastography (SWE) maybe beneficial in the diagnosis and treatment of non-specific low back pain (LBP). The primary purpose of this study was to establish normative parameter and variance estimates of lumbar spine muscle stiffness at rest and during submaximal contraction levels using SWE in healthy individuals. A second aim was to determine the relationship between lumbar spine muscle stiffness and a variety of demographic, anthropometric, and medical history variables. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.010DOI Listing
January 2019
1 Read

Do the center of mass strategies change with restricted vision during the sit-to-stand task?

Clin Biomech (Bristol, Avon) 2019 Jan 31;62:104-112. Epub 2019 Jan 31.

Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.

Background: The relationship between the visual sensory and center-of-mass characteristics during the sit-to-stand task is not well documented. Do the center of mass strategies change with restricted vision during the sit-to-stand task?

Methods: The participants in this study were fifteen girls with congenital blindness (age (94.6 (5. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.011DOI Listing
January 2019
2 Reads

Non-damaging stretching combined with sodium pyruvate supplement accelerate migration of fibroblasts and myoblasts during gap closure.

Clin Biomech (Bristol, Avon) 2019 Jan 28;62:96-103. Epub 2019 Jan 28.

Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel. Electronic address:

Background: Sustained, low- and mid-level (3-6%), radial stretching combined with varying concentrations of sodium pyruvate (NaPy) supplement increase the migration rate during microscale gap closure following an in vitro injury; NaPy is a physiological supplement often used in cell-culture media. Recently we showed that low-level tensile strains accelerate in vitro kinematics during en masse cell migration; topically applied mechanical deformations also accelerate in vivo healing in larger wounds. The constituents and nutrients at injury sites change. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.009DOI Listing
January 2019

Influence of alarming auditory cues on viscoelastic stiffness of skeletal muscles in patients with Parkinson's disease.

Clin Biomech (Bristol, Avon) 2019 Jan 24;62:93-95. Epub 2019 Jan 24.

Department of Neurology and Neurosurgery, University of Tartu, Estonia.

Background: Patients with Parkinson's disease can show brief normalization of motor activity in response to intense external stimuli - a phenomenon known as paradoxical kinesis. The purpose of the present study was to examine the effect of alarming auditory signals on the level of viscoelastic stiffness of skeletal muscles as an indicator of parkinsonian rigidity.

Methods: Myotonometry was used to determine the changes of viscoelastic stiffness of skeletal muscles in ten patients in an advanced stage of Parkinson's disease, treated with deep brain stimulation, and ten healthy controls. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.008DOI Listing
January 2019

Determining the change in length of the anterolateral ligament during knee motion: A three-dimensional optoelectronic analysis.

Clin Biomech (Bristol, Avon) 2019 Jan 24;62:86-92. Epub 2019 Jan 24.

Univ Lyon - UJM-Saint-Etienne, Inter-university Laboratory of Human Movement Science, EA 7424, F-42023 Saint-Etienne, France; Department of Orthopedic Surgery, University Hospital of Saint Etienne, France.

Background: The variation of the anterolateral ligament (ALL) length during knee motion is still unclear, and the knee position in which a reconstruction graft should be tensioned remains controversial. The objective of this study was to determine the variation of the ALL length during knee motion using a three-dimensional optoelectronic system.

Methods: Kinematic analyses of 20 cadaveric knees were performed using a Motion Analysis® system. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.006DOI Listing
January 2019

Biomechanical analysis of metacarpophalangeal joint arthroplasty with metal-polyethylene implant: An in-vitro study.

Clin Biomech (Bristol, Avon) 2019 Jan 22;62:79-85. Epub 2019 Jan 22.

Orthopaedics Department, Coimbra University Hospital, Portugal.

Background: The most common implant options for the metacarpophalangeal joint arthroplasty include silicone, pyrocarbon and metal-polyethylene. A systematic review of outcomes of silicone and pyrocarbon implants was conducted; however, a similar exercise for metal-polyethylene implants revealed a scarcity of published results and lack of long-term follow-up studies. The aim of the present work is to test the hypothesis that the magnitude of metacarpophalangeal joint cyclic loads generates stress and strain behaviour, which leads to long-term reduced risk of metal-polyethylene component loosening. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.005DOI Listing
January 2019
1 Read

Tibiofemoral kinematics in the transverse and frontal planes influence the location and magnitude of peak patella cartilage stress: An investigation of runners with and without patellofemoral pain.

Clin Biomech (Bristol, Avon) 2019 Jan 17;62:72-78. Epub 2019 Jan 17.

Jacquelin Perry Musculoskeletal Biomechanics Research Laboratory, Division of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, CA, USA. Electronic address:

Background: To determine whether the location and magnitude of peak patella cartilage stress varies among runners with and without patellofemoral pain. To determine whether tibiofemoral kinematics in the frontal and transverse planes predict peak lateral and medial patella cartilage stress.

Methods: Twelve recreational runners with patellofemoral pain and 10 pain-free controls participated. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.003DOI Listing
January 2019

Novel adhesives for sternal fixation and stabilization: A biomechanical analysis.

Clin Biomech (Bristol, Avon) 2019 Jan 24;62:66-71. Epub 2019 Jan 24.

Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria St, Toronto, ON M5B 2K3, Canada. Electronic address:

Background: Cerclage wires remain the current standard of care following median sternotomy, despite significant complications including dehiscence and infection. This study uses a human cadaveric model to investigate the use of glass polyalkenoate cements formulated from two glasses, A (mole fraction: SiO:0.48, ZnO:0. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.007DOI Listing
January 2019
1 Read

The relationship between frontal plane trunk control during landing and lower extremity muscle strength in young athletes after anterior cruciate ligament reconstruction.

Clin Biomech (Bristol, Avon) 2018 Nov 30;62:58-65. Epub 2018 Nov 30.

School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA; Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA; Division of Physical Therapy, School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA. Electronic address:

Background: Lower extremity landing asymmetries are common and associated with strength deficits after anterior cruciate ligament reconstruction. However, less is known regarding trunk control during landing. This study's hypotheses were that frontal plane trunk excursion during single-leg landing would be greater in young athletes after anterior cruciate ligament reconstruction compared to controls and would be associated with strength deficits. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.012DOI Listing
November 2018
1 Read

Variability of the helical axis during active cervical movements in people with chronic neck pain.

Clin Biomech (Bristol, Avon) 2019 Jan 22;62:50-57. Epub 2019 Jan 22.

Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, UK. Electronic address:

Background: Recent work described parameters of the helical axis in asymptomatic people with potential for investigating kinematic changes in the cervical region. This approach could provide novel information on movement variability in people with neck pain, however this has never been investigated. This study aimed to investigate movement variability during active neck movements performed at different speeds in people with and without chronic neck pain. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.004DOI Listing
January 2019
1.880 Impact Factor

Longitudinal evidence links joint level mechanics and muscle activation patterns to 3-year medial joint space narrowing.

Clin Biomech (Bristol, Avon) 2019 Jan 20;61:233-239. Epub 2018 Dec 20.

School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada; Department of Surgery, Division of Orthopaedics, Dalhousie University, 1278 Tower Road Halifax, NS B3H 2Y9, Canada; Department of Surgery, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada.

Background: It is currently not known if there are different mechanical factors involved in accelerated rates of knee osteoarthritis structural progression. Data regarding the role of the transverse plane moment along with the contributions to joint loading from muscle activity, a primary contributor to the joint loading environment, is not well represented in the current literature on knee OA radiographic progression. The objective of this study was to understand if a 3-year end point corroborates what has been shown for longer term radiographic progression or provides more insight into factors that may be implicated in more accelerated radiographic progression than those shown previously. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.016DOI Listing
January 2019
4 Reads

A review of cyclic testing protocols for flexor tendon repairs.

Clin Biomech (Bristol, Avon) 2018 Dec 13;62:42-49. Epub 2018 Dec 13.

Biomechanics Laboratory, Level 1 Academia, 20 College Road, Singapore General Hospital, Singapore 169856, Singapore; Department of Hand Surgery, Level 4 Academia, 20 College Road, Singapore General Hospital, Singapore 169856, Singapore.

Background: Cyclic testing of flexor tendons aims to simulate post-operative rehabilitation and is more rigorous than static testing. However, there are many different protocols, making comparisons difficult. We reviewed these protocols and suggested two protocols that simulate passive and active mobilization. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.007DOI Listing
December 2018
1 Read

Motion response of a polycrystalline diamond adaptive axis of rotation cervical total disc arthroplasty.

Clin Biomech (Bristol, Avon) 2019 Jan 4;62:34-41. Epub 2019 Jan 4.

Edward Hines Jr. VA Hospital, Hines, IL, USA; Loyola University Medical Center, Maywood, IL, USA.

Background: Cervical fusion is associated with adjacent segment degeneration. Cervical disc arthroplasty is considered an alternative to reduce risk of adjacent segment disease. Kinematics after arthroplasty should closely replicate healthy in vivo kinematics to reduce adjacent segment stresses. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S02680033183070
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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.023DOI Listing
January 2019
6 Reads

Knee extensor torque and BMI differently relate to sit-to-stand strategies in obesity.

Clin Biomech (Bristol, Avon) 2019 Jan 12;62:28-33. Epub 2019 Jan 12.

Department of Kinesiology and Health Promotion, University of Kentucky, Lexington, KY, USA.

Background: Obesity alters whole body kinematics during activities of daily living such as sit-to-stand (STS), but the relative contributions of excess body mass and decreased relative strength are unknown.

Methods: Three-dimensional motion analysis data was collected on 18 obese subjects performing sit-to-stand (chair height: 52 cm). Isometric knee extensor strength was measured at 90 knee flexion. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.002DOI Listing
January 2019
1 Read

Distal fibula osteotomies improve tibiotalar joint compression: A biomechanical study in a cadaveric model.

Clin Biomech (Bristol, Avon) 2019 Jan 9;62:23-27. Epub 2019 Jan 9.

Department of Orthopaedics and Rehabilitation, Penn State College of Medicine, Hershey Medical Center, 500 University Drive, Mail Code H089, Hershey, PA 17033, USA. Electronic address:

Background: Successful tibiotalar joint fusion relies on adequate compression. Compression following joint preparation may be affected by the extent to which the fibula holds the joint out to anatomical length. The purpose of this study was to evaluate the effect of various distal fibula osteotomies on tibiotalar joint compression. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2019.01.001DOI Listing
January 2019
2 Reads

Effect of baseplate positioning on fixation of reverse total shoulder arthroplasty.

Clin Biomech (Bristol, Avon) 2018 Dec 29;62:15-22. Epub 2018 Dec 29.

Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China; Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, China. Electronic address:

Background: The glenoid component in reverse total shoulder arthroplasty is recommended to be positioned inferiorly or with a downward tilt with the intention of reducing scapular notching. However, it is still unclear whether modifying the position of the glenoid prosthesis affects implant stability. The aim of this study was to determine the association between implant positioning and glenoid prosthesis fixation using Grammont reverse total shoulder arthroplasty. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.021DOI Listing
December 2018
1 Read

Comparison of total hip arthroplasty surgical approaches by Statistical Parametric Mapping.

Clin Biomech (Bristol, Avon) 2019 Jan 3;62:7-14. Epub 2019 Jan 3.

Instituto Traumatológico Dr. Teodoro Gebauer, San Martín 771, Santiago Centro, Santiago, Chile.

Background: The most common surgical approaches in use for total hip arthroplasty are the lateral and posterior. When comparing these approaches in terms of gait biomechanics, studies usually rely on pre-defined discrete variables related to the events of gait cycle. However, this analysis may miss differences in other parts of the movement pattern that are not explored. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.024DOI Listing
January 2019
1 Read

Is there a correlation in frontal plane knee kinematics between running and performing a single leg squat in runners with patellofemoral pain syndrome and asymptomatic runners?

Clin Biomech (Bristol, Avon) 2019 Jan 14;61:227-232. Epub 2018 Dec 14.

College of Health and Life Sciences, Brunel University London, Mary Seacole Building, Kingston Lane, Uxbridge UB8 3PH, United Kingdom; Therapy Department, Chelsea and Westminster Hospital NHS Foundation Trust, 369 Fulham Rd, London SW10 9NH, United Kingdom. Electronic address:

Background: Knee kinematics when running, specifically knee valgus, have been linked to patellofemoral pain syndrome. Assessing running biomechanics requires skill, equipment and time. Clinically, the single leg squat is used to make inferences about knee kinematics during running. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.008DOI Listing
January 2019
1 Read

Preliminary effectiveness of a sequential exercise intervention on gait function in ambulant patients with multiple sclerosis - A pilot study.

Clin Biomech (Bristol, Avon) 2018 Dec 29;62:1-6. Epub 2018 Dec 29.

Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, MS Center Amsterdam, De Boelelaan 1117, Amsterdam, Netherlands.

Background: Patients with multiple sclerosis (pwMS) often experience a decline in motor function and performance during prolonged walking, which potentially is associated with reduced ankle push-off power and might be alleviated through structured exercise. The objectives of this pilot study were to assess ankle push-off power and walking performance in pwMS and healthy controls, and the preliminary effectiveness of a sequential exercise program (resistance training followed by walking-specific endurance training) on ankle push-off power and walking performance.

Methods: PwMS (N = 10) with self-reported reduced walking performance and healthy controls (N = 10; at baseline only) underwent 3D gait analysis during a self-paced 12-minute walking test to assess walking performance prior to and following a sequential exercise program. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S02680033183068
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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.012DOI Listing
December 2018
2 Reads

Menstrual cycle variation and gender difference in muscle stiffness of triceps surae.

Clin Biomech (Bristol, Avon) 2019 Jan 19;61:222-226. Epub 2018 Dec 19.

Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.

Background: We aimed to investigate the menstrual cycle variation and the gender difference of the triceps surae muscle stiffness and passive stiffness of the ankle joint.

Methods: The subjects of the study included 12 healthy young women and 12 healthy young men. Shear elastic moduli of the lateral gastrocnemius, medial gastrocnemius, and soleus muscles were measured as an index of muscle stiffness using shear wave elastography. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.013DOI Listing
January 2019
2 Reads

Association between the Foot Posture Index and running related injuries: A case-control study.

Clin Biomech (Bristol, Avon) 2019 Jan 22;61:217-221. Epub 2018 Dec 22.

Family Medicine Chair, Clinical Medicine Department, Miguel Hernandez University, San Juan de Alicante, Spain.

Background: Novice runners are at significantly greater risk of running-related injuries than experienced recreational runners. To develop prevention strategies for this population, it is important to identify predisposing factors that contribute to the incidence of these injuries. This study aims to assess the relationship between running-related injuries, foot posture and other factors in novice runners. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.019DOI Listing
January 2019
2 Reads

Pedal power measurement as a diagnostic tool for functional vascular problems.

Clin Biomech (Bristol, Avon) 2019 Jan 21;61:211-216. Epub 2018 Dec 21.

Máxima Medical Centre, Department of Sports and Exercise, De Run 4600, 5500 MB Veldhoven, the Netherlands. Electronic address:

Background: Cyclists with flow limitations in the iliac arteries complain of pain and loss of power. To investigate whether pedal power measurement has added value in diagnosing the underlying cause of flow limitations in the iliac arteries, we explored the sensitivity and specificity of various pedal power measurement variables. Moreover, it was assessed what the added value of pedal power measurement is compared to diagnosis based on the conventional ankle-brachial blood pressure index. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.020DOI Listing
January 2019
1 Read

Outcome of the modified Lapidus procedure for hallux valgus deformity during the first year following surgery: A prospective clinical and gait analysis study.

Clin Biomech (Bristol, Avon) 2019 Jan 20;61:205-210. Epub 2018 Dec 20.

Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), Department of Orthopaedic Surgery and Traumatology, Rue du Bugnon 46, 1011 Lausanne, Switzerland. Electronic address:

Background: The modified Lapidus procedure is a surgical option to treat moderate to severe hallux valgus deformity with good radio-clinical outcome. However, comprehensive biomechanical outcome evaluation of this surgery at mid-term follow-up is missing. This study assesses and compares the radio-clinical and gait outcome at 6 and 12 months following modified Lapidus procedure. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.017DOI Listing
January 2019
3 Reads

Electromyographic activity of the serratus anterior and pectoralis major during isometric scapular protraction at different resistance intensities in subjects with and without a winged scapula.

Clin Biomech (Bristol, Avon) 2019 Jan 21;61:199-204. Epub 2018 Dec 21.

Department of Physical Therapy, INJE University, Gimhae, South Korea. Electronic address:

Background: During maximal isometric protraction, it is important to determine the optimal resistance intensity in subjects with a winged scapula, for inducing isolated activity of the serratus anterior against the pectoralis major, which is activated as a synergistic muscle. The aim of the present study was to determine electromyographic activities of the serratus anterior and pectoralis major muscles during isometric shoulder protraction at different levels in subjects with and without a winged scapula.

Methods: Thirty male subjects performed isometric shoulder protraction in a sitting position at different resistance intensity levels (100%, 80%, and 60% of maximal protraction strength). Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.018DOI Listing
January 2019
2 Reads

Lumbar axial rotation kinematics in men with non-specific chronic low back pain.

Clin Biomech (Bristol, Avon) 2019 Jan 22;61:192-198. Epub 2018 Dec 22.

The Spinal Research Laboratory, Department of Physical Therapy, the Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel-Aviv University, Ramat Aviv, Tel Aviv 69978, Israel. Electronic address:

Background: Lumbar flexion, coupled with rotation, is a dominant factor in the etiology and exacerbation of low back pain. Yet, no study has examined its kinematics in patients with non-specific chronic low back pain (NSCLBP). The aim of the study was to evaluate the lumbar rotation kinematics in neutral standing and with full flexion in men with NSCLBP. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.022DOI Listing
January 2019
1 Read

Low back pain: Moving toward mechanism-based management.

Clin Biomech (Bristol, Avon) 2019 Jan 11;61:190-191. Epub 2018 Dec 11.

Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Boston, MA, USA; Department of Orthopaedic Surgery, Harvard Medical School, Boston, MA, USA.

Low back pain is a complex, multifactorial, and heterogeneous condition, but this does not make it an exception in medicine. Management of low back pain based on a mechanistic approach and developing more effective multidisciplinary treatment is possible and would finally implement the biopsychosocial model of care. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.010DOI Listing
January 2019
1 Read

Assessment of healthy trapeziometacarpal cartilage properties using indentation testing and contrast-enhanced computed tomography.

Clin Biomech (Bristol, Avon) 2019 Jan 21;61:181-189. Epub 2018 Dec 21.

Muscles & Movement, Department of Development and Regeneration, Biomedical Sciences Group, KU Leuven Kulak, Kortrijk, Belgium. Electronic address:

Background: The trapeziometacarpal joint is a common site for osteoarthritis development in the hand. When osteoarthritis is present, it results in significant functional disabilities due to the broad range of activities performed by this joint. However, our understanding of osteoarthritis initiation and progression at this joint is limited because of the current lack of knowledge regarding the properties and structure of the corresponding cartilage layers. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.015DOI Listing
January 2019
2 Reads

A hierarchical stepwise approach to evaluate nasal patency after virtual surgery for nasal airway obstruction.

Clin Biomech (Bristol, Avon) 2019 Jan 19;61:172-180. Epub 2018 Dec 19.

Department of Otolaryngology and Communication Sciences, Medical College of Wisconsin, Milwaukee, WI, USA.

Background: Despite advances in medicine and expenditures associated in treatment of nasal airway obstruction, 25-50% of patients undergoing nasal surgeries complain of persistent obstructive symptoms. Our objective is to develop a "stepwise virtual surgery" method that optimizes surgical outcomes for treatment of nasal airway obstruction.

Methods: Pre-surgery radiographic images of two subjects with nasal airway obstruction were imported into Mimics imaging software package for three-dimension reconstruction of the airway. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.014DOI Listing
January 2019
1 Read

Biomechanical stress analysis of the main soft tissues associated with the development of adult acquired flatfoot deformity.

Clin Biomech (Bristol, Avon) 2019 Jan 17;61:163-171. Epub 2018 Dec 17.

Applied Mechanics and Bioengineering Group (AMB), Aragón Institute of Engineering Research (I3A), Universidad de Zaragoza, Spain.

Background: Adult acquired flatfoot deformity (AAFD) is traditionally related to a tibialis posterior tendon deficiency. In the intermediate stages, treatments are commonly focused on reinforcing this tissue, but sometimes the deformation appears again over time, necessitating the use of more aggressive options. Tissue stress cannot be consistently evaluated through traditional experimental trials. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.009DOI Listing
January 2019
1 Read

Periprosthetic fracture fixation of the femur following total hip arthroplasty: A review of biomechanical testing - Part II.

Clin Biomech (Bristol, Avon) 2019 Jan 7;61:144-162. Epub 2018 Dec 7.

Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK. Electronic address:

Background: Periprosthetic femoral fracture is a severe complication of total hip arthroplasty. A previous review published in 2011 summarised the biomechanical studies regarding periprosthetic femoral fracture and its fixation techniques. Since then, there have been several commercially available fracture plates designed specifically for the treatment of these fractures. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.001DOI Listing
January 2019
2 Reads

Technical considerations in lateral extra-articular reconstruction coupled with anterior cruciate ligament reconstruction: A simulation study evaluating the influence of surgical parameters on control of knee stability.

Clin Biomech (Bristol, Avon) 2019 Jan 11;61:136-143. Epub 2018 Dec 11.

Centre Orthopédique Santy-Group Ramsay-Générale de Santé - Hôpital privé Jean Mermoz, Lyon, France.

Background: Surgical parameters such as the selection of tibial and femoral attachment site, graft tension, and knee flexion angle at the time of fixation may influence the control of knee stability after lateral extra-articular reconstruction. This study aimed to determine how sensitive is the control of knee rotation and translation, during simulated pivot-shift scenarios, to these four surgery settings.

Methods: A computer model was used to simulate 625 lateral extra-articular reconstructions based upon five different variations of each of the following parameters: femoral and tibial attachment sites, knee flexion angle and graft tension at the time of fixation. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S02680033183036
Publisher Site
http://dx.doi.org/10.1016/j.clinbiomech.2018.12.011DOI Listing
January 2019
11 Reads

Increased postural stiffness during challenging postural tasks in patients with knee osteoarthritis with high pain sensitization.

Clin Biomech (Bristol, Avon) 2019 Jan 8;61:129-135. Epub 2018 Dec 8.

Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Denmark.

Background: Postural stability is affected in knee osteoarthritis patients who present with pain but the link to pain sensitization is unclear.

Methods: Patients with knee osteoarthritis completed the Knee Injury and Osteoarthritis Outcome Score and pressure pain thresholds were assessed bilaterally at the knee, lower leg and forearm prior to standing quietly (1 min) on a force platform in four conditions: Firm surface with open eyes, firm surface with closed eyes, soft surface with open eyes, and soft surface with closed eyes. Pain intensity during standing was assessed via numerical rating scale. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.004DOI Listing
January 2019
6 Reads

Origin of neck pain and direction of movement influence dynamic cervical joint motion and pressure pain sensitivity.

Clin Biomech (Bristol, Avon) 2019 Jan 5;61:120-128. Epub 2018 Dec 5.

Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health and Science Technology, Faculty of Medicine, Aalborg University, Denmark.

Background: Patients with neck pain normally showed alterations in cervical motion and pressure pain sensitivity. Cervical joints show scattered motions opposite to (anti-directional) the primary motion direction (pro-directional) during dynamic cervical flexion and extension. This study aimed to assess dynamic cervical joint motion and pressure pain sensitivity when pain originated from different cervical muscles which may have clinical relevance in diagnosis of impairments related with neck pain. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.002DOI Listing
January 2019
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Biomechanical testing of a polycarbonate-urethane-based dynamic instrumentation system under physiological conditions.

Clin Biomech (Bristol, Avon) 2019 Jan 6;61:112-119. Epub 2018 Dec 6.

University of Cologne, Centre for Orthopaedic and Trauma Surgery, Germany.

Background: Posterior dynamic stabilization systems are developed to maintain the healthy biomechanics of the spine while providing stabilization. Numerous dynamic systems incorporate polycarbonate urethane with temperature- and moisture-dependent material properties. In the underlying study, a novel test rig is used to evaluate the biomechanical performance of a system containing polycarbonate urethane. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.003DOI Listing
January 2019
4 Reads

In-silico pelvis and sacroiliac joint motion-A review on published research using numerical analyses.

Clin Biomech (Bristol, Avon) 2019 Jan 6;61:95-104. Epub 2018 Dec 6.

Department of Anatomy, University of Otago, Dunedin, New Zealand; Department of Trauma, Orthopedic and Plastic Surgery, University Hospital of Leipzig, Germany; Orthopaedicus Clinics, Leipzig, Germany.

Background: Computational models of the human pelvis have become highly useful tools to assess mechanisms of injury, diagnostics and treatment options. The purpose of this systematic literature review was to summarize existing pelvic computer models, to assess their comparability and the measures taken for experimental validation.

Methods: Research on virtual simulations of the posterior pelvis and sacroiliac joint available from the ISI Web of Knowledge, PubMed and Scopus databases available until January 2018 were included. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.005DOI Listing
January 2019
9 Reads

Detailed computational analysis of flow dynamics in an extended respiratory airway model.

Clin Biomech (Bristol, Avon) 2019 Jan 7;61:105-111. Epub 2018 Dec 7.

School of Engineering, RMIT University, PO Box 71, Bundoora, VIC 3083, Australia; Key Laboratory of Ministry of Education for Advanced Reactor Engineering and Safety, Institute of Nuclear and New Energy Technology, Tsinghua University, PO Box 1021, Beijing 100086, China. Electronic address:

Background: Understanding respiratory physiology can aid clinicians in diagnosing the cause of respiratory symptoms or shed light on drug delivery inhaler device optimisation. However, the sheer complexity of the human lung prohibits a full-scale study.

Methods: In this study, a realistic respiratory airway model including large-to-small conducting airways was built. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.12.006DOI Listing
January 2019
2 Reads

External loads associated with anterior cruciate ligament injuries increase the correlation between tibial slope and ligament strain during in vitro simulations of in vivo landings.

Clin Biomech (Bristol, Avon) 2019 Jan 24;61:84-94. Epub 2018 Nov 24.

Mayo Clinic Biomechanics Laboratories, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Sports Medicine Center, Mayo Clinic, Rochester, MN, USA; Department of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine & Rehabilitation, Mayo Clinic, Rochester, MN, USA.

Background: The aim of the present study was to evaluate the relationship between tibial slope angle and ligament strain during in vitro landing simulations that induce ACL failure through the application of variable external loading at the knee. The hypothesis tested was that steeper posterior tibial slope angle would be associated with higher ACL strain during a simulated landing task across all external loading conditions.

Methods: Kinetics previously derived from an in vivo cohort performing drop landings were reproduced on 45 cadaveric knees via the mechanical impact simulator. Read More

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January 2019
2 Reads
1.880 Impact Factor

Spring ligament tear decreases static stability of the ankle joint.

Clin Biomech (Bristol, Avon) 2019 Jan 27;61:79-83. Epub 2018 Nov 27.

Department of Orthopaedic Surgery, University of Rochester, Rochester, NY, USA. Electronic address:

Background: Spring ligament tear is often found in advanced adult acquired flatfoot deformity and its reconstruction in conjunction with the deltoid ligament has been proposed to restore the tibiotalar and talonavicular joint stability. The aim of the present study is to determine the effect of spring ligament injury and subsequent reconstruction on static joint reactive force using a non-invasive method of measurement.

Methods: Ten fresh-frozen human cadaveric lower legs were disarticulated at the knee joint. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.011DOI Listing
January 2019
16 Reads

The history of suture anchors in orthopaedic surgery.

Clin Biomech (Bristol, Avon) 2019 Jan 23;61:70-78. Epub 2018 Nov 23.

Princess Alexandra Hospital, 199 Ipswich Rd, Woolloongabba, QLD 4102, Australia; Brisbane Hand and Upper Limb Research Institute, 259 Wickham Terrace, Spring Hill, QLD 4000, Australia; Field Orthopaedics Research Group, 375 Wickham Terrace, Spring Hill, QLD 4000, Australia.

The suture anchor allows secure fixation of soft tissue to bone and has become an invaluable tool for the orthopaedic surgeon. The original suture anchor was developed over 3 decades ago when a suture was bonded to a headless screw. Since then anchors have undergone a wide variety of design modifications to increase strength and allow for new applications based on biomechanical and clinical evidence. Read More

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January 2019
3 Reads

Mechanical testing of scapular neck fracture fixation using a synthetic bone model.

Clin Biomech (Bristol, Avon) 2019 Jan 22;61:64-69. Epub 2018 Nov 22.

Harold K. Dunn Orthopaedic Research Laboratory, Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA; Department of Bioengineering, University of Utah, Salt Lake City, UT, USA. Electronic address:

Background: Trauma can fracture the scapular neck. Typically, a single plate along the lateral scapula border affixes the glenoid fragment to the scapula. This method is limited by difficulty in screw placement, frequent excessive soft tissue dissection, and risk for neurovascular injury. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.007DOI Listing
January 2019
5 Reads

The role of menisci in knee contact mechanics and secondary kinematics during human walking.

Clin Biomech (Bristol, Avon) 2019 Jan 22;61:58-63. Epub 2018 Nov 22.

State Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710054, Shaanxi, China; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds LS2 9JT, UK; Tribology Research Institute, School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China.

Background: Meniscectomy is likely to result in an increase of joint loading on articular cartilage and initiates cartilage damages. However, the induced alterations in knee contact mechanics and secondary kinematics after the meniscal removal are still unclear during a walking gait. In this study, the role of menisci on the knee contact mechanics and secondary kinematics were investigated during a walking simulation. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S02680033183037
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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.009DOI Listing
January 2019
12 Reads

Influence of loading rate and limb position on patellar tendon mechanical properties in vivo.

Clin Biomech (Bristol, Avon) 2019 Jan 10;61:52-57. Epub 2018 Nov 10.

Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-cho 1398, Kita-ku, Niigata City 950-3198, Japan.

Background: The aims of this study were to clarify the changes of patellar tendon length during isometric knee joint extension and the double leg squat position using ultrasonography.

Methods: The left legs of 17 healthy adults were investigated. Isometric knee extension motion was performed at three positions of knee flexion 30° (knee 30°), knee flexion 60° (knee 60°), knee flexion 90° (knee 90°), and at each limb position, 0% (0% peak torque (PT)), 40% (40% PT), 50% (50% PT), and 60% (60% PT) of the maximum knee joint extension torque were executed at random. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.006DOI Listing
January 2019
10 Reads

Postural control of individuals with spinal fusion for adolescent idiopathic scoliosis.

Clin Biomech (Bristol, Avon) 2019 Jan 7;61:46-51. Epub 2018 Nov 7.

Department of Kinesiology, University of Georgia, Athens, GA, USA.

Background: The purpose of the study was to assess the postural stability and complexity of postural control for moderately physically active individuals with spinal fusion for adolescent idiopathic scoliosis at two years post-operation.

Methods: Limit of stability test and sensory organization test were conducted for 10 moderately physically-active participants with spinal fusion and 10 controls pair-matched for mass, height and physical activity level. During the limit of stability test, participants were instructed to lean the center of gravity as far as possible toward 8 predetermined directions and the maximum excursion and direction control were analyzed. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.001DOI Listing
January 2019
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Diffusion based MR measurements correlates with age-related changes in human intervertebral disks.

Clin Biomech (Bristol, Avon) 2019 Jan 18;61:38-45. Epub 2018 Jun 18.

Department of Radiology, Beth Israel Deaconess Medical Center and Harvard medical School, Boston, MA, United States of America.

Background: Understanding the association between MR parameters and age related deterioration in human intervertebral disks forms an important step in the development of clinical diagnostic protocols for disk disease.

Methods: Ten unfixed thoracic and lumbar cadaver disk joints, age 37-81 years were imaged at 9.4 T using T2 relaxation (CPMG) and ADC (DWI spin echo) MR protocols. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S02680033183051
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http://dx.doi.org/10.1016/j.clinbiomech.2018.06.007DOI Listing
January 2019
8 Reads

'Pre-launch' finite element analysis of a short-stem total hip arthroplasty system consisting of two implant types.

Clin Biomech (Bristol, Avon) 2019 Jan 7;61:31-37. Epub 2018 Nov 7.

Institute of Forming Technology and Machines, Leibniz University Hannover, An der Universität 2, 30823 Garbsen, Germany; PROFIL Verbindungstechnik GmbH & Co. KG, Otto-Hahn-Strasse 22-24, 61381 Friedrichsdorf, Germany.

Background: We applied a previously established and validated numerical model to a novel short-stemmed implant for a 'pre-launch' investigation.

Methods: The implant system consists of two different implant geometries for valgus/varus-positioned proximal femurs with differences in volume distribution, head/neck angle, and calcar alignment. The aim of the design was to achieve a better adaption to the anatomic conditions, resulting in a favourable load transfer. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.002DOI Listing
January 2019
1 Read

Transitions sit to stand and stand to sit in persons post-stroke: Path of centre of mass, pelvic and limb loading - A pilot study.

Clin Biomech (Bristol, Avon) 2019 Jan 10;61:22-30. Epub 2018 Nov 10.

Department of Physical Therapy, University of Toronto, 160-500 University Avenue, Toronto, ON M5G 1V7, Canada. Electronic address:

Background: To explore the movement patterns utilized by persons post stroke from the simultaneous perspective of pelvic and limb loading with the path of centre of mass during the movement transitions sit to stand and stand to sit.

Methods: A descriptive pilot study where kinetic and kinematic data were collected and compared between the contribution made by the less affected versus more affected lower limb and trunk during sit to stand and stand to sit following stroke. Movement analysis was undertaken using force-plates and a 3D VICON motion capture system. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.004DOI Listing
January 2019
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Immediate effects of kinesiotaping on acromiohumeral distance and shoulder proprioception in individuals with symptomatic rotator cuff tendinopathy.

Clin Biomech (Bristol, Avon) 2019 Jan 10;61:16-21. Epub 2018 Nov 10.

Center for Interdisciplinary Research in Rehabilitation and Social Integration, CIUSSS-CN, Quebec City, Quebec, G1M 2S8, Canada; Department of Rehabilitation, Faculty of Medicine, Laval University, Quebec, G1V 0A6, Canada. Electronic address:

Background: Kinesiotaping is widely used for the rehabilitation of rotator cuff tendinopathy. It has been argued to reduce symptoms and functional limitations through improvement of proprioceptive feedback. In addition, kinesiotaping has been reported to increase the subacromial space in healthy subjects. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2018.11.005DOI Listing
January 2019
2 Reads