19,389 results match your criteria Gait Analysis


Assessing Gait in Parkinson's Disease Using Wearable Motion Sensors: A Systematic Review.

Diseases 2019 Feb 5;7(1). Epub 2019 Feb 5.

Department of Electrical, Electronic, and Information Engineering "Guglielmo Marconi", University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy.

Parkinson's disease (PD) is a progressive neurodegenerative disorder. Gait impairments are common among people with PD. Wearable sensor systems can be used for gait analysis by providing spatio-temporal parameters useful to investigate the progression of gait problems in Parkinson disease. Read More

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http://dx.doi.org/10.3390/diseases7010018DOI Listing
February 2019

Affordable gait analysis using augmented reality markers.

PLoS One 2019 14;14(2):e0212319. Epub 2019 Feb 14.

Department of Mechatronics, Optics and Mechanical Engineering Informatics, Budapest University of Technology and Economics, Budapest, Hungary.

A typical optical based gait analysis laboratory uses expensive stereophotogrammetric motion capture systems. The study aims to propose and validate an affordable gait analysis method using augmented reality (AR) markers with a single action camera. Image processing software calculates the position and orientation of the AR markers. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0212319PLOS
February 2019

Hard, soft and off-the-shelf foot orthoses and their effect on the angle of the medial longitudinal arch: A biplane fluoroscopy study.

Prosthet Orthot Int 2019 Feb 14:309364619825607. Epub 2019 Feb 14.

1 Faculty of Engineering, Western University, London, ON, Canada.

Background:: Foot orthoses have proven to be effective for conservative management of various pathologies. Pathologies of the lower limb can be caused by abnormal biomechanics such as irregular foot structure and alignment, leading to inadequate support.

Objectives:: To compare biomechanical effects of different foot orthoses on the medial longitudinal arch during dynamic gait using skeletal kinematics. Read More

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http://dx.doi.org/10.1177/0309364619825607DOI Listing
February 2019

Recurrence dynamics reveals differential control strategies to maintain balance on sloped surfaces.

Gait Posture 2019 Feb 6;69:169-175. Epub 2019 Feb 6.

Department of Kinesiology, University of Georgia, United States.

Background: Studies on postural control have primarily focused on the maintenance of balance in quiet upright standing on flat horizontal support surfaces that can reveal only a subset of the potential postural stability/instability configurations in everyday contexts.

Objectives: Here we investigated the nature of dynamical properties of postural coordination in an upright standing task as a function of the systematic scaling of seven support surface angles, +20°, +10° dorsiflexion (+), 0 °Flat, -10°, -20°, -30°, -35° plantarflexion (-), mounted on a force plate.

Methods: The center of pressure (CoP) and virtual time-to-contact (VTC) were analyzed to examine the spatial and spatio-temporal aspects of postural coordination dynamics, respectively. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2019.01.040DOI Listing
February 2019

Gait and electromyographic alterations due to early onset of injury and eventual rupture of the cranial cruciate ligament in dogs: A pilot study.

Vet Surg 2019 Feb 13. Epub 2019 Feb 13.

Ranch Veterinarian, Lonetree Ranch, Lonetree, Wyoming.

Objective: Identify relevant electromyography (EMG), kinematic, and kinetic changes resulting from monopolar radiofrequency energy (MRFE)-induced cranial cruciate ligament (CCL) injury and eventual rupture in dogs.

Study Design: Experimental, repeated measures.

Animals: Five purpose-bred female dogs free of orthopedic and neurologic disease. Read More

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http://dx.doi.org/10.1111/vsu.13178DOI Listing
February 2019

The effects of fatigue on the running profile of elite team sport athletes. A systematic review and meta-analysis.

J Sports Med Phys Fitness 2019 Feb 12. Epub 2019 Feb 12.

Alliance for Research in Exercise, Nutrition and Activity, Sansom Institute for Health Research, University of South Australia, Adelaide, Australia.

Introduction: With the underlying mechanisms of fatigue shown to be task-specific, gaining an understanding of changes within the running profile due to fatigue may provide a greater task-specific method for monitoring neuromuscular fatigue (NMF) in elite team sport athletes. This review aimed to identify, review and summarise the literature to understand the effects of fatigue on the running profile of elite team sport athletes.

Evidence Acquisition: MEDLINE, SPORTDiscus, EMBASE and CINAHL were searched. Read More

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http://dx.doi.org/10.23736/S0022-4707.19.09356-3DOI Listing
February 2019

Superior migration of the femoral head in patients with severe hip osteoarthritis influences the gait patterns of the coronal plane.

Hip Int 2019 Feb 13:1120700019827250. Epub 2019 Feb 13.

1 Department of Rehabilitation Medicine, Gunma University Graduate School of Medicine, Gunma, Japan.

Introduction:: Patients with hip osteoarthritis (OA) show abnormal movement patterns, including the leaning of the trunk toward the affected limb (Duchenne limp). Patients with severe OA, especially those with OA due to hip dysplasia, show a lateral pelvic drop (Trendelenburg sign).

Aim:: The aim of this preoperative study is to investigate the relationship between superior migration of the arthritic femoral head, pain, and hip abductor muscle strength, and to clarify the relationship between the coronal plane gait patterns with pain and hip abductor muscle strength. Read More

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http://dx.doi.org/10.1177/1120700019827250DOI Listing
February 2019

Effects of a valgus unloader brace in the medial meniscectomized knee joint: a biomechanical study.

J Orthop Surg Res 2019 Feb 12;14(1):44. Epub 2019 Feb 12.

Engineering Product Development (EPD) Pillar, Singapore University of Technology and Design (SUTD), 8 Somapah Road, Singapore, 487372, Singapore.

Background: Patients undergoing total or partial arthroscopic meniscectomy for treating traumatic meniscal tears are at greater risk of developing knee osteoarthritis (OA) due to increased mechanical load. The purpose of this study was to evaluate the effects of a valgus unloader brace in the medial meniscectomized knee joint during the gait cycle.

Methods: A three-dimensional finite element model of the knee joint was developed using the substructures segmented from magnetic resonance images. Read More

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http://dx.doi.org/10.1186/s13018-019-1085-1DOI Listing
February 2019
1.577 Impact Factor

Higher Axial Tibiofemoral Rotation and Functional Outcomes with Mobile-Bearing Compared with Fixed-Bearing Total Knee Arthroplasty at 1- but Not at 2-Year Follow-Up - A Randomized Clinical Trial.

J Knee Surg 2019 Feb 12. Epub 2019 Feb 12.

Department of Orthopaedics and Traumatology, Orthopaedics and Traumatology Sports Center (CETE), Paulista School of Medicine (EPM), Federal University of São Paulo, São Paulo, Brazil.

The objective of this study was to determine in vivo knee kinematics and clinical outcomes of patients who underwent fixed- and mobile-bearing total knee arthroplasty (TKA) at 1- and 2-year follow-up. This prospective double-blinded randomized controlled trial was performed from November 2011 to December 2012. A total of 64 patients were randomized to fixed- and mobile-bearing TKA groups (32 patients in each group). Read More

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http://dx.doi.org/10.1055/s-0039-1678675DOI Listing
February 2019

Concurrent Validity of a Commercial Wireless Trunk Tri-Axial Accelerometer System for Gait Analysis.

J Sport Rehabil 2019 Feb 12:1-13. Epub 2019 Feb 12.

a Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.

Context:: Wearable sensor devices have notable advantages, such as cost effectiveness, easy-to-use and real-time feedback. Wirelessness ensures full body motion which is required during movement in a challenging environment such as during sports. Research on the reliability and validity of commercially available systems, however, is indispensable. Read More

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https://journals.humankinetics.com/doi/10.1123/jsr.2018-0295
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http://dx.doi.org/10.1123/jsr.2018-0295DOI Listing
February 2019
2 Reads

Rehabilitation after resurfacing hip arthroplasty: cost-utility analysis alongside a randomized controlled trial.

Clin Rehabil 2019 Feb 12:269215519827628. Epub 2019 Feb 12.

4 Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK.

Objective:: To assess the costs, effects, and cost-utility of an accelerated physiotherapy programme versus a standard physiotherapy programme following resurfacing hip arthroplasty.

Design:: A cost-utility analysis alongside a randomized controlled trial.

Setting:: A UK National Health Service hospital and patients' homes. Read More

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http://dx.doi.org/10.1177/0269215519827628DOI Listing
February 2019

Hyponatremia Is Associated With Increased Osteoporosis and Bone Fractures in Patients With Diabetes With Matched Glycemic Control.

J Endocr Soc 2019 Feb 4;3(2):411-426. Epub 2019 Jan 4.

Division of Endocrinology and Metabolism, Georgetown University Medical Center, Washington, District of Columbia.

Context: Patients with diabetes mellitus are at increased risk for bone fragility fracture secondary to multiple mechanisms. Hyperglycemia can induce true dilutional hyponatremia. Hyponatremia is associated with gait instability, osteoporosis, and increased falls and bone fractures, and studies suggest that compromised bone quality with hyponatremia may be independent of plasma osmolality. Read More

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http://dx.doi.org/10.1210/js.2018-00320DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6364625PMC
February 2019
1 Read

Hip muscle response to a fatiguing run in females with iliotibial band syndrome.

Hum Mov Sci 2019 Feb 8;64:181-190. Epub 2019 Feb 8.

Leon Root, MD Motion Analysis Laboratory, Hospital for Special Surgery, 510 East 73rd Street, New York, NY 10021, USA.

Impaired hip muscle function has often been cited as a contributing factor to the development of iliotibial band syndrome (ITBS), yet our full understanding of this relationship is not well established. The objective of this study was to examine the effect of fatigue on hip abductor muscle function in females with ITBS. Female runners, 20 healthy and 12 with a current diagnosis of ITBS, performed a treadmill run to fatigue. Read More

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http://dx.doi.org/10.1016/j.humov.2019.02.002DOI Listing
February 2019
2 Reads

The effects of balance and gait function on quality of life of stroke patients.

Authors:
Jin Park Tae-Ho Kim

NeuroRehabilitation 2019 Feb 2. Epub 2019 Feb 2.

Department of Physical Therapy, College of Rehabilitation Science, Daegu University, Gyeongsan, Republic of Korea.

Background: Stroke patients have a lower quality of life than other people.

Objective: The purpose of this study was to examine the effect of balance and gait function of stroke patients on their quality of life.

Methods: Twenty-seven subjects participated in the experiment. Read More

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http://dx.doi.org/10.3233/NRE-182467DOI Listing
February 2019

Biomechanical effect with respect to the sagittal positioning of the femoral component in unicompartmental knee arthroplasty.

Biomed Mater Eng 2019 Feb 5. Epub 2019 Feb 5.

Department of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, Republic of Korea.

Background: Component malalignment in unicompartmental knee arthroplasty (UKA) has been related to the concentration in tibiofemoral joint of contact stress and to poor post-operative outcomes. Few studies investigated a biomechanical effect of femur component position in sagittal plane. The purpose of this study was to evaluate the biomechanical effect of the femoral components on the sagittal alignment under flexion and extension conditions using computational simulations. Read More

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http://dx.doi.org/10.3233/BME-191042DOI Listing
February 2019

Gait analysis for individually tailored interdisciplinary interventions in children with cerebral palsy: a randomized controlled trial.

Dev Med Child Neurol 2019 Feb 10. Epub 2019 Feb 10.

The Orthopaedic Research Unit, Department of Orthopaedic Surgery and Traumatology, Odense University Hospital, Odense, Denmark.

Aim: To test the hypothesis that improvements in gait and function following individualized interdisciplinary interventions consisting of physical therapy, orthotics, spasticity management, and orthopaedic surgery using instrumented gait analysis are superior to 'usual care' in children with cerebral palsy (CP).

Method: This was a prospective, single-blind, parallel-group, randomized controlled trial investigating the effectiveness of interventions based on the use of gait analysis. Primary outcome was gait (Gait Deviation Index) and secondary outcomes were walking and patient-reported outcome measures of function, disability, and health-related quality of life. Read More

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http://dx.doi.org/10.1111/dmcn.14178DOI Listing
February 2019
2 Reads

Muscle force estimation in clinical gait analysis using AnyBody and OpenSim.

J Biomech 2019 Feb 5. Epub 2019 Feb 5.

Department of Sport Science and Kinesiology, University of Salzburg, Salzburg, Austria; Laboratory for Motion Analysis, Department of Paediatric Orthopaedics, Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland; Department of Orthopaedics and Traumatology, Cantonal Hospital St. Gallen, Switzerland.

A variety of musculoskeletal models are applied in different modelling environments for estimating muscle forces during gait. Influence of different modelling assumptions and approaches on model outputs are still not fully understood, while direct comparisons of standard approaches have been rarely undertaken. This study seeks to compare joint kinematics, joint kinetics and estimated muscle forces of two standard approaches offered in two different modelling environments (AnyBody, OpenSim). Read More

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http://dx.doi.org/10.1016/j.jbiomech.2019.01.045DOI Listing
February 2019

Gait Speed and Grip Strength Are Associated With Dropping Out of the Liver Transplant Waiting List.

Transplant Proc 2019 Jan 9. Epub 2019 Jan 9.

Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.

Introduction: Frailty measures can predict perioperative surgical risk in liver transplant patients. The 5-meter walk test (5MWT) and hand grip strength (HGS) are easy and reproducible frailty measures. We hypothesized that they could capture frailty in liver transplant listed patients and would be associated with dropping out of the waiting list. Read More

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http://dx.doi.org/10.1016/j.transproceed.2019.01.030DOI Listing
January 2019
1 Read

Gait changes after weight loss on adolescent with severe obesity after sleeve gastrectomy.

Surg Obes Relat Dis 2019 Jan 24. Epub 2019 Jan 24.

Department of Pediatric Surgery, Pediatric Surgery Unit, "Bambino Gesù" Children's Hospital, Rome, Italy.

Background: It has been highlighted that obesity influences the gait reducing walking velocity, stride length, ankle dorsal flexion at initial contact and ankle power generation. Meanwhile, step width, double support, hip flexion, knee extension during stance, hip moment and ankle power absorption was described increased. A tendency to the normalization of these parameters occur when subjects reduced their weight during growth. Read More

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http://dx.doi.org/10.1016/j.soard.2019.01.007DOI Listing
January 2019
2 Reads

Spino-pelvic- lower extremity balance during walking in elderly patients with spinal kyphosis.

J Orthop Sci 2019 Feb 6. Epub 2019 Feb 6.

Department of Orthopaedic Surgery, Tohoku University Graduate School of Medicine. 1-1 Seiryomachi Aobaku, Sendai, Miyagi, 980-8574, Japan.

Back Ground: Patients with spinal kyphosis were radiographically evaluated while standing. However, the spino-pelvic alignment during walking is different. This study examined the spino-pelvic-lower extremity alignment during walking by a three-dimensional (3D) motion analysis. Read More

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http://dx.doi.org/10.1016/j.jos.2019.01.005DOI Listing
February 2019

Prevalence of lameness and associated risk factors on dairy farms in the Maritime Provinces of Canada.

J Dairy Sci 2019 Feb 6. Epub 2019 Feb 6.

Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Prince Edward Island, Canada, C1A 4P3.

Lameness in dairy cattle is a major issue for the industry due to the effects on the welfare of the animal, the economic impact, and consumer perception. The aim of this study was to determine the prevalence of lameness and explore potential risk factors in the Maritime Provinces of Canada. Cows were scored for lameness and potential risk factors and were assessed in 46 freestall herds and 33 tiestall herds in Nova Scotia, New Brunswick, and Prince Edward Island. Read More

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http://dx.doi.org/10.3168/jds.2018-15349DOI Listing
February 2019
1 Read

Prediction of Causal Genes and Gene Expression Analysis of Attention-Deficit Hyperactivity Disorder in the Different Brain Region, a Comprehensive Integrative Analysis of ADHD.

Behav Brain Res 2019 Feb 6. Epub 2019 Feb 6.

Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Collaborative Innovation Center for Brain Science, Shanghai Jiao Tong University, Shanghai, 200030, China; The Affiliated Hospital of Qingdao University, The Biomedical Sciences Institute of Qingdao University (Qingdao Branch of SJTU Bio-X Institutes), Qingdao University, Qingdao, 266003, China. Electronic address:

Recent genome-wide association study (GWAS) identified 12 independent loci for Attention-deficit hyperactivity disorder (ADHD). However, the causal genes expression and pathways of ADHD is still vague. We integrated GWAS, eQTL and genes expression data to find the causal genes, genes expression, and genes prioritization in the different brain tissues and whole blood cells. Read More

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http://dx.doi.org/10.1016/j.bbr.2019.02.010DOI Listing
February 2019
1 Read

Instrumented version of the modified dynamic gait index in subjects with neurological disorders.

PM R 2019 Feb 8. Epub 2019 Feb 8.

LaRiCE: Gait and Balance Disorders Laboratory Department of Neurorehabilitation; Don Gnocchi Foundation I.R.C.C.S, Milano, Italy.

Background: Gait instability is common in adults with neurological disorders and the modified Dynamic Gait Index (mDGI) was recently introduced to assess dynamic balance. However, instrumental assessment is needed to provide quantitative measures.

Objective: to develop and validate an instrumented version of the mDGI. Read More

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http://dx.doi.org/10.1002/pmrj.12137DOI Listing
February 2019
1 Read

Musculoskeletal model-based inverse dynamic analysis under ambulatory conditions using inertial motion capture.

Med Eng Phys 2019 Feb 5. Epub 2019 Feb 5.

Department of Materials and Production, Aalborg University, Aalborg 9220, Denmark.

Inverse dynamic analysis using musculoskeletal modeling is a powerful tool, which is utilized in a range of applications to estimate forces in ligaments, muscles, and joints, non-invasively. To date, the conventional input used in this analysis is derived from optical motion capture (OMC) and force plate (FP) systems, which restrict the application of musculoskeletal models to gait laboratories. To address this problem, we propose the use of inertial motion capture to perform musculoskeletal model-based inverse dynamics by utilizing a universally applicable ground reaction force and moment (GRF&M) prediction method. Read More

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http://dx.doi.org/10.1016/j.medengphy.2018.12.021DOI Listing
February 2019

Gait analysis after total hip arthroplasty using direct anterior approach versus anterolateral approach: a systematic review and meta-analysis.

BMC Musculoskelet Disord 2019 Feb 8;20(1):63. Epub 2019 Feb 8.

Department of Orthopaedic Surgery, Gyeongsang National University Hospital, Jinju, South Korea.

Background: Comparative studies of total hip arthroplasty using the direct anterior approach (DAA) compared with the anterolateral approach (ALA) by gait analysis compared the results of the two groups, the damage to the abductor muscle, with objective and detailed kinematic as well as kinetic data of actual gait. The purpose of this systematic review was to analyze the differences in gait such as time-dependent parameters, kinetics, and kinematics after THA using the DAA compared with ALA.

Methods: PubMed Central, OVID Medline, Cochrane Collaboration Library, Web of Science, EMBASE and AHRQ carried out a comprehensive search for all relevant randomized controlled trials and comparative studies, up to December 2018. Read More

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http://dx.doi.org/10.1186/s12891-019-2450-2DOI Listing
February 2019
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The Role of Movement Analysis in Diagnosing and Monitoring Neurodegenerative Conditions: Insights from Gait and Postural Control.

Brain Sci 2019 Feb 6;9(2). Epub 2019 Feb 6.

Institute of Neuroscience/ Institute for Ageing, Newcastle University, Newcastle Upon Tyne NE4 5PL, UK.

Quantifying gait and postural control adds valuable information that aids in understanding neurological conditions where motor symptoms predominate and cause considerable functional impairment. Disease-specific clinical scales exist; however, they are often susceptible to subjectivity, and can lack sensitivity when identifying subtle gait and postural impairments in prodromal cohorts and longitudinally to document disease progression. Numerous devices are available to objectively quantify a range of measurement outcomes pertaining to gait and postural control; however, efforts are required to standardise and harmonise approaches that are specific to the neurological condition and clinical assessment. Read More

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http://dx.doi.org/10.3390/brainsci9020034DOI Listing
February 2019

Kinetic and Kinematic Analysis of Dogs Suffering from Hip Osteoarthritis and Healthy Dogs Across Different Physical Activities.

Vet Comp Orthop Traumatol 2019 Feb 8. Epub 2019 Feb 8.

Department of Surgery, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil.

Objective:  The purpose of this study was to investigate mobility performance in dogs suffering from hip osteoarthritis secondary to hip dysplasia using kinesiology.

Materials And Methods:  Twenty dogs with a radiographical diagnosis of bilateral hip dysplasia and hip osteoarthritis and 20 healthy dogs were submitted to kinetic and kinematic analysis while climbing upstairs, walking down a slope, sitting down, standing up, and walking. Dogs were also scored by two blind examiners using a visual analog scale (VAS). Read More

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http://dx.doi.org/10.1055/s-0038-1677509DOI Listing
February 2019
1 Read

Low-cost Protocol of Footprint Analysis and Hanging Box Test for Mice Applied the Chronic Restraint Stress.

J Vis Exp 2019 Jan 23(143). Epub 2019 Jan 23.

Division of Biology, Center for Molecular Medicine, Jichi Medical University;

Gait disturbance is frequently observed in patients with movement disorders. In mouse models used for movement disorders, gait analysis is important behavioral test to determine whether the mice mimic the symptoms of patients. Motor deficits are often induced by stress when no spontaneous motor phenotype is observed in the mouse models. Read More

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http://dx.doi.org/10.3791/59027DOI Listing
January 2019

Noninvasive brain stimulation combined with other therapies improves gait speed after stroke: a systematic review and meta-analysis.

Top Stroke Rehabil 2019 Feb 8:1-13. Epub 2019 Feb 8.

a Health Sciences Graduate Program , Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA) , Porto Alegre , Brazil.

Background: Repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) are noninvasive brain stimulation (NIBS) techniques able to modulate cortical excitability.

Objective: To determine the effects of NIBS combined with other therapies on gait speed after stroke.

Methods: Electronic databases searched were PUBMED, EMBASE, COCHRANE, SCOPUS, SCIELO and PEDro. Read More

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http://dx.doi.org/10.1080/10749357.2019.1565696DOI Listing
February 2019

The impact of the combination of kidney and physical function on cognitive decline over 2 years in older adults with pre-dialysis chronic kidney disease.

Clin Exp Nephrol 2019 Feb 8. Epub 2019 Feb 8.

Division of Nephrology and Hypertension, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan.

Background: No longitudinal study has investigated the impact of combination of kidney function (KF) and physical function (PF) on cognitive decline in these patients.

Methods: We conducted a 2-year prospective cohort study enrolling 131 patients ≥ 65 years with pre-dialysis chronic kidney disease (CKD). We assessed cognitive function with the Japanese version of the Montreal Cognitive Assessment (MoCA-J). Read More

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http://dx.doi.org/10.1007/s10157-019-01698-6DOI Listing
February 2019
1 Read

Transcutaneous spinal direct current stimulation improves locomotor learning in healthy humans.

Brain Stimul 2019 Jan 29. Epub 2019 Jan 29.

Human Cortical Physiology and Neurorehabilitation Section, NINDS, USA.

Background: Ambulation is an essential aspect of daily living and is often impaired after brain and spinal cord injuries. Despite the implementation of standard neurorehabilitative care, locomotor recovery is often incomplete.

Objective: In this randomized, sham-controlled, double-blind, parallel design study, we aimed to determine if anodal transcutaneous spinal direct current stimulation (anodal tsDCS) could improve training effects on locomotion compared to sham (sham tsDCS) in healthy subjects. Read More

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http://dx.doi.org/10.1016/j.brs.2019.01.017DOI Listing
January 2019
1 Read

Association between speed of sound of calcaneal bone assessed by quantitative ultrasound and sarcopenia in a general older adult population: A cross-sectional study.

J Orthop Sci 2019 Feb 4. Epub 2019 Feb 4.

School of Health Science, Faculty of Medicine, Tottori University, Nishicho 86, Yonago, Tottori, 683-8503, Japan. Electronic address:

Background: Lower calcaneal speed of sound may be related to sarcopenia because sarcopenia and osteopenia/osteoporosis show a linked relationship in older adults. The purpose of this study is to clarify whether the speed of sound of calcaneal bone assessed by quantitative ultrasound is associated with sarcopenia in a community-dwelling older adult population.

Methods: This was a cross-sectional observational study. Read More

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http://dx.doi.org/10.1016/j.jos.2019.01.003DOI Listing
February 2019
1 Read

Sensor-to-body calibration procedure for clinical motion analysis of lower limb using magnetic and inertial measurement units.

J Biomech 2019 Jan 21. Epub 2019 Jan 21.

Department of Mechanical Engineering, University of Alberta, Donadeo Innovation Centre for Engineering, Edmonton, Alberta T6G 1H9, Canada. Electronic address:

Magnetic and Inertial measurement units (MIMUs) have become exceedingly popular for ambulatory human motion analysis during the past two decades. However, measuring anatomically meaningful segment and joint kinematics requires virtual alignment of the MIMU frame with the anatomical frame of its corresponding segment. Therefore, this paper presents a simple calibration procedure, based on MIMU readouts, to align the inertial frame of the MIMU with the anatomical frames, as recommended by ISB. Read More

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http://dx.doi.org/10.1016/j.jbiomech.2019.01.027DOI Listing
January 2019

Evaluating Motor Control Improves Discrimination of Adolescents with and without Sports Related Concussion.

J Mot Behav 2019 Feb 7:1-9. Epub 2019 Feb 7.

c Kennedy Krieger Institute , Baltimore , Maryland , USA .

Disrupted motor performance is increasingly recognized as a critical sequela of concussion which may have relevance for diagnosis and treatment. In 17 adolescents with recent concussion and 20 never-concussed controls, we evaluated the discriminant ability of a commonly used neurocognitive measure compared to a motor subtle sign exam, which evaluates gait, balance, and fine and gross motor control. We found that the motor subtle sign exam had better discriminant ability than the neurocognitive measure, but combining both measures was superior to analyses with individual measures (Wilks' ƛ = . Read More

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http://dx.doi.org/10.1080/00222895.2019.1570908DOI Listing
February 2019
1 Read

Gait abnormalities following slipped capital femoral epiphysis treated with in situ fixation.

Gait Posture 2019 Jan 29;69:156-161. Epub 2019 Jan 29.

Cliniques universitaires Saint-Luc, Service d'orthopédie et de traumatologie de l'appareil locomoteur, Avenue Hippocrate 10, B-1200 Brussels, Belgium; Université catholique de Louvain, Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique,Neuro Musculo Skeletal Lab (NMSK), Avenue Mounier 53, B-1200 Brussels, Belgium.

Background: Slipped capital femoral epiphysis (SCFE) is a common disorder in adolescent for which no consensus exists regarding management. The aim of the present study was to analyze gait modifications following SCFE treated with in situ fixation (ISF) and to relate it to radiologic stage.

Research Question: To verify if gait biomechanics are impaired in patients with SCFE and to try to determine a degree of slippage from which gait modifications would appear. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2019.01.036DOI Listing
January 2019
1 Read

Balance and Gait Alternations Observed More than 2 Weeks after Concussion: A Systematic Review and Meta-analysis.

Am J Phys Med Rehabil 2019 Feb 5. Epub 2019 Feb 5.

Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, 906 S. Goodwin Ave., Urbana, IL 61801 USA.

Objective: To systematically review and quantitatively synthesize the existing evidence of balance and gait alternations lasting more than two weeks following concussion in adults.

Design: A systematic review was conducted through PubMed, CINAHL, SPORTDiscus, and Web of Science. Investigations must include adult participants with at least 1 concussion, were measured over 14 days after injury, and reported balance or gait measures. Read More

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http://dx.doi.org/10.1097/PHM.0000000000001152DOI Listing
February 2019
1 Read

Balance Impairment in Radiation Induced Leukoencephalopathy Patients Is Coupled With Altered Visual Attention in Natural Tasks.

Front Neurol 2018 23;9:1185. Epub 2019 Jan 23.

UMR 8257 Cognition and Action Group (CNRS, Service de Santé des Armées, Université Paris Descartes Paris Sorbonne Cité), Paris, France.

Recent studies have shown that alterations in executive function and attention lead to balance control disturbances. One way of exploring the allocation of attention is to record eye movements. Most experimental data come from a free viewing of static scenes but additional information can be leveraged by recording eye movements during natural tasks. Read More

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http://dx.doi.org/10.3389/fneur.2018.01185DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6351469PMC
January 2019

The FreeD module for the Lokomat facilitates a physiological movement pattern in healthy people - a proof of concept study.

J Neuroeng Rehabil 2019 Feb 6;16(1):26. Epub 2019 Feb 6.

Rehabilitation Center Affoltern am Albis, Children's University Hospital Zurich, Mühlebergstrasse 104, CH-8910, Affoltern am Albis, Switzerland.

Background: A contralateral pelvic drop, a transverse rotation and a lateral translation of the pelvis are essential features of normal human gait. These motions are often restricted in robot-assisted gait devices. The optional FreeD module of the driven gait orthosis Lokomat (Hocoma AG, Switzerland) incorporates guided lateral translation and transverse rotation of the pelvis. Read More

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http://dx.doi.org/10.1186/s12984-019-0496-xDOI Listing
February 2019

Validation of inertial measurement units with optical tracking system in patients operated with Total hip arthroplasty.

BMC Musculoskelet Disord 2019 Feb 6;20(1):52. Epub 2019 Feb 6.

Department of Orthopedics, Institute of Clinical Sciences, Sahlgrenska Academy,University of Gothenburg, Sahlgrenska University, 413 45, Göteborg, SE, Sweden.

Background: Patient reported outcome measurement (PROMs) will not capture in detail the functional joint motion before and after total hip arthroplasty (THA). Therefore, methods more specifically aimed to analyse joint movements may be of interest. An analysis method that addresses these issues should be readily accessible and easy to use especially if applied to large groups of patients, who you want to study both before and after a surgical intervention such as THA. Read More

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http://dx.doi.org/10.1186/s12891-019-2416-4DOI Listing
February 2019

German translation and psychometric properties of the modified Gait Efficacy Scale (mGES).

Z Gerontol Geriatr 2019 Feb 6. Epub 2019 Feb 6.

Institute of Movement and Sport Gerontology, German Sport University Cologne, Am Sportpark Muengersdorf 6, 50933, Cologne, Germany.

Background: Perceived self-efficacy to complete a task affects function and behavior. The modified Gait Efficacy Scale (mGES) is a 10-item self-report questionnaire to assess confidence in walking under various circumstances.

Objective: The aim of this study was to adapt the mGES to a German version (mGES-D) and test its psychometric properties. Read More

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http://dx.doi.org/10.1007/s00391-019-01507-5DOI Listing
February 2019

Lack of posterior occlusal support predicts the reduction in walking speed in 80-year-old Japanese adults: A 3-year prospective cohort study with propensity score analysis by the SONIC Study Group.

Gerodontology 2019 Feb 6. Epub 2019 Feb 6.

Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry, Osaka, Japan.

Objective: To investigate the association between posterior occlusal support by residual teeth and the reduction in walking speed in 80-year-old Japanese adults using propensity score matching.

Background Data Discussing The Present Status Of The Field: Previous studies have demonstrated an association between oral status and motor function; however, most of these studies had a cross-sectional design.

Material And Method: This study included 353 community-dwelling Japanese people aged 79-81 years. Read More

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http://dx.doi.org/10.1111/ger.12393DOI Listing
February 2019
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Do Differences in Spatiotemporal Gait Parameters Predict the Risk of Developing Depression in Later Life?

J Am Geriatr Soc 2019 Feb 5. Epub 2019 Feb 5.

The Irish Longitudinal Study on Ageing Trinity College Dublin, Dublin, Ireland.

Background/objectives: There is growing interest in the association between gait disturbance and depression in later life. The aim of this study is to clarify the longitudinal relationship between specific gait parameters and incident depression within a population-representative sample of older people.

Design: Longitudinal analysis of spatiotemporal gait parameters at baseline (wave 1) and incident depression at 2 and 4 years (waves 2/3). Read More

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http://dx.doi.org/10.1111/jgs.15783DOI Listing
February 2019
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The Diagnostic Scope of Sensor-Based Gait Analysis in Atypical Parkinsonism: Further Observations.

Front Neurol 2019 22;10. Epub 2019 Jan 22.

Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria.

Differentiating idiopathic Parkinson's disease (IPD) from atypical Parkinsonian disorders (APD) is challenging, especially in early disease stages. Postural instability and gait difficulty (PIGD) are substantial motor impairments of IPD and APD. Clinical evidence implies that patients with APD have larger PIGD impairment than IPD patients. Read More

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https://www.frontiersin.org/article/10.3389/fneur.2019.00005
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http://dx.doi.org/10.3389/fneur.2019.00005DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6349719PMC
January 2019
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Overground wearable powered exoskeleton for gait training in subacute stroke subjects: clinical and gait assessments.

Eur J Phys Rehabil Med 2019 Feb 4. Epub 2019 Feb 4.

Villa Beretta Rehabilitation Center, Valduce Hospital, Costa Masnaga, Lecco, Italy.

Background: Wearable powered exoskeletons provide intensive overground gait training with patient's active participation: these features promote a successful active motor relearning of ambulation in stroke survivors.

Aim: To investigate the feasibility and the clinical effects of an Overground Exoskeleton-Assisted Gait Training (OEAGT) in subacute stroke patients.

Design: Prospective, pilot pre-post, open label, non-randomized experimental study. Read More

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http://dx.doi.org/10.23736/S1973-9087.19.05574-6DOI Listing
February 2019
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A prospective analysis of motion and deformity at the shoulder level in surgically treated adolescent idiopathic scoliosis.

Gait Posture 2019 Jan 23;69:150-155. Epub 2019 Jan 23.

Sint Maartenskliniek Research, Sint Maartenskliniek, Hengstdal 3, 6574 NA Ubburgen, the Netherlands.

Background: Although posterior spinal correction and fusion surgery (PSF) of adolescent idiopathic scoliosis (AIS) limits counter rotation between thorax and pelvis, the physical function, and more specifically gait of these patients is only slightly affected after PSF. Possibly, shoulders-thorax counter-rotation increases to compensate for the loss in thorax-pelvis motion. This would subsequently result in a higher phase-difference and range of motion (ROM) between the shoulders and thorax. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2019.01.031DOI Listing
January 2019
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Effects of Immobilization Angle on Tendon Healing after Achilles Rupture in a Rat Model.

J Orthop Res 2019 Feb 5. Epub 2019 Feb 5.

McKay Orthopaedic Laboratory, University of Pennsylvania, Philadelphia, PA, USA.

Conservative (non-operative) treatment of Achilles tendon ruptures is a common alternative to operative treatment. Following rupture, ankle immobilization in plantarflexion is thought to aid healing by restoring tendon end-to-end apposition. However, early activity may improve limb function, challenging the role of immobilization position on tendon healing, as it may affect loading across the injury site. Read More

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http://dx.doi.org/10.1002/jor.24241DOI Listing
February 2019
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Three-Dimensional Human Gait Pattern: Reference Data for Young, Active Women Walking with Low, Preferred, and High Speeds.

Biomed Res Int 2019 3;2019:9232430. Epub 2019 Jan 3.

Biomechanics Division, University School of Physical Education in Wroclaw, Wroclaw 51-612, Poland.

Normal gait pattern is the key component in the investigation of pathological gait patterns. In computer motion analysis there is a need to include data from participants with different somatic structures to develop a normative database or to limit the database results to a specific population. The aim of this study was to determine kinematic gait patterns for young, active women walking with low, preferred, and self-selected speeds with regard to their somatic characteristics. Read More

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http://dx.doi.org/10.1155/2019/9232430DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6335661PMC
January 2019
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Less Is More - Estimation of the Number of Strides Required to Assess Gait Variability in Spatially Confined Settings.

Front Aging Neurosci 2018 21;10:435. Epub 2019 Jan 21.

Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany.

Gait variability is an established marker of gait function that can be assessed using sensor-based approaches. In clinical settings, spatial constraints and patient condition impede the execution of longer distance walks for the recording of gait parameters. Turning paradigms are often used to overcome these constraints and commercial gait analysis systems algorithmically exclude turns for gait parameters calculations. Read More

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http://dx.doi.org/10.3389/fnagi.2018.00435DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6348278PMC
January 2019
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Statistical analysis of timeseries data reveals changes in 3D segmental coordination of balance in response to prosthetic ankle power on ramps.

Sci Rep 2019 Feb 4;9(1):1272. Epub 2019 Feb 4.

Department of Bioengineering, The University of Texas at Dallas, Richardson, TX, 75080, USA.

Active ankle-foot prostheses generate mechanical power during the push-off phase of gait, which can offer advantages over passive prostheses. However, these benefits manifest primarily in joint kinetics (e.g. Read More

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http://dx.doi.org/10.1038/s41598-018-37581-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6362138PMC
February 2019
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Computational analysis of knee joint stability following total knee arthroplasty.

J Biomech 2019 Jan 25. Epub 2019 Jan 25.

School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, China; School of Mechanical Engineering, Xian Jiaotong University, Xian, China; School of Mechanical Engineering, University of Leeds, Leeds LS2 9JT, UK.

The overall objective of this study was to introduce knee joint power as a potential measure to investigate knee joint stability following total knee arthroplasty (TKA). Specific aims were to investigate whether weakened knee joint stabilizers cause abnormal kinematics and how it influences the knee joint kinetic (i.e. Read More

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http://dx.doi.org/10.1016/j.jbiomech.2019.01.029DOI Listing
January 2019
1 Read