55,995 results match your criteria Gait & Posture [Journal]


Split-belt treadmill walking in patients with Parkinson's disease: A systematic review.

Gait Posture 2019 Feb 7;69:187-194. Epub 2019 Feb 7.

Department of Neurology, University Hospital Schleswig-Holstein, Christian-Albrechts-University, Kiel, Germany.

Background: Walking on a split-belt treadmill (SBT) can help to modulate an asymmetric gait, particularly for people with neurological conditions, such as Parkinson's disease (PD), where asymmetry plays a role due to the laterality of the disease.

Research Question: This systematic review critically evaluates the literature on SBT in PD. First, different SBT paradigms and methodological approaches were evaluated. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2019.01.032DOI Listing
February 2019

Reliability of peak foot pressure in patients with previous diabetic foot ulceration.

Gait Posture 2019 Feb 4;70:6-11. Epub 2019 Feb 4.

Department of Physiotherapy, Singapore General Hospital, Singapore. Electronic address:

Background: Previous reliability studies on peak plantar pressure measurements in patients with previous diabetic foot ulceration (DFU) did not stratify their analyses according to whether the foot had a previous ulcer.

Research Question: Does test-retest reliability of peak foot pressure measurements from the various foot regions differ between the ulcerated and non-ulcerated feet?

Methods: Data from 23 participants with peripheral neuropathy and healed plantar DFU were analysed in this test-retest reliability comparison study. Plantar pressure was evaluated on two sessions using Pedar-X in-shoe system, with a mean of 7. Read More

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

Movement variability emerges in gait as adaptation to task constraints in dynamic environments.

Gait Posture 2019 Feb 4;70:1-5. Epub 2019 Feb 4.

Department of Sport Sciences. Sport Research Center, Miguel Hernández University of Elche, Av. de la Universidad s/n., CP: 03202, Elche, Alicante, Spain. Electronic address:

Background: Motor variability has been related to motor control playing a functional role in human adaptive behaviours. However, the direction of the relationship between variability and motor control can be unclear. The specific relations that exist between task constraints and movement (re)organization could explain some of this controversy. Read More

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

Objective physical activity and physical performance in middle-aged and older adults.

Exp Gerontol 2019 Feb 13. Epub 2019 Feb 13.

Framingham Heart Study, Framingham, MA, USA; Department of General Internal Medicine, Boston University School of Medicine, Boston, MA, USA.

Background: Older adults may have difficulty meeting the Physical Activity (PA) Guidelines. A favorable balance between PA and sedentary time (SED) is an important determinant of physical performance in older adults. Our objective was to explore associations of PA/SED with physical performance across mid-older age in adults without overt mobility disability. Read More

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http://dx.doi.org/10.1016/j.exger.2019.02.003DOI Listing
February 2019

Spatiotemporal gait analysis of older persons in clinical practice and research : Which parameters are relevant?

Authors:
Ulrich Lindemann

Z Gerontol Geriatr 2019 Feb 15. Epub 2019 Feb 15.

Department of Clinical Gerontology and Rehabilitation, Robert-Bosch-Hospital, Auerbachstr. 110, 70376, Stuttgart, Germany.

For older persons walking is a basic activity of daily life which characterizes the person's functional mobility. Therefore, the improvement of walking performance is a major clinical outcome during geriatric rehabilitation. Furthermore, walking performance is relevant for several geriatric research issues. Read More

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http://dx.doi.org/10.1007/s00391-019-01520-8DOI Listing
February 2019

A novel variant of the human mitochondrial DnaJ protein, Tid1, associates with a human disease exhibiting developmental delay and polyneuropathy.

Eur J Hum Genet 2019 Feb 15. Epub 2019 Feb 15.

School of Neurobiology Biochemistry and Biophysics, Sagol School of Neurosciences, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.

Here, we describe a single patient from a consanguineous family, who suffers from developmental delay, intellectual disability, hypermetropia, moderate alternating esotropia, unsteady gait, and peripheral polyneuropathy. Brain MRI revealed basal ganglia disease. Exome analysis disclosed a homozygous variant, c. Read More

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http://dx.doi.org/10.1038/s41431-019-0358-9DOI Listing
February 2019

The feasibility of assessing frailty and sarcopenia in hospitalised older people: a comparison of commonly used tools.

BMC Geriatr 2019 Feb 15;19(1):42. Epub 2019 Feb 15.

Academic Geriatric Medicine, University of Southampton, Southampton, UK.

Background: Frailty and sarcopenia are common amongst hospitalised older people and associated with poor healthcare outcomes. Widely recognised tools for their identification are the Fried Frailty Phenotype, its self-report version the FRAIL Scale, and the European Working Group on Sarcopenia in Older People (EWGSOP) criteria. We studied the feasibility of using these tools in a hospital setting of acute wards for older people. Read More

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http://dx.doi.org/10.1186/s12877-019-1053-yDOI Listing
February 2019

Measurement of synovial tissue volume in knee osteoarthritis using a semiautomated MRI-based quantitative approach.

Magn Reson Med 2019 Feb 15. Epub 2019 Feb 15.

Centre for Imaging Sciences, Division of Informatics, Imaging and Data Science, University of Manchester, Manchester, United Kingdom.

Purpose: Synovitis is common in knee osteoarthritis and is associated with both knee pain and progression of disease. Semiautomated methods have been developed for quantitative assessment of structure in knee osteoarthritis. Our aims were to apply a novel semiautomated assessment method using 3D active appearance modeling for the quantification of synovial tissue volume (STV) and to compare its performance with conventional manual segmentation. Read More

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http://dx.doi.org/10.1002/mrm.27633DOI Listing
February 2019

Comparing the Convergent and Concurrent Validity of the Dynamic Gait Index with the Berg Balance Scale in People with Multiple Sclerosis.

Healthcare (Basel) 2019 Feb 15;7(1). Epub 2019 Feb 15.

UAB/Lakeshore Research Collaborative; School of Health Professions, University of Alabama at Birmingham, Birmingham, AL 35294, USA.

Recent clinical guidelines for adults with neurological disabilities suggest the need to assess measures of static and dynamic balance using the Berg Balance Scale (BBS) and Dynamic Gait Index (DGI) as core outcome measures. Given that the BBS measures both static and dynamic balance, it was unclear as to whether either of these instruments was superior in terms of its convergent and concurrent validity, and whether there was value in complementing the BBS with the DGI. : The objective was to evaluate the concurrent and convergent validity of the BBS and DGI by comparing the performance of these two functional balance tests in people with multiple sclerosis (MS). Read More

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http://dx.doi.org/10.3390/healthcare7010027DOI Listing
February 2019

Characterization of normative angular joint kinematics during two functional upper limb tasks.

Gait Posture 2019 Jan 28;69:176-186. Epub 2019 Jan 28.

Department of Biomedical Engineering, University of Alberta, 1098 Research Transition Facility, Edmonton, Alberta T6G 2V2, Canada; Glenrose Rehabilitation Hospital, Alberta Health Services, 10230 111 Avenue NW, Edmonton, Alberta T5G 0B7, Canada; Department of Mechanical Engineering, University of Alberta, Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta T6G 1H9, Canada. Electronic address:

Background: Optical motion capture is a powerful tool for assessing upper body kinematics, including compensatory movements, in different populations. However, the lack of a standardized protocol with clear functional relevance hinders its clinical acceptance.

Research Question: The objective of this study was to use motion capture to: (1) characterize angular joint kinematics in a normative population performing two complex, yet standardized upper limb tasks with clear functional relevance; and (2) assess the protocol's intra-rater reliability. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2019.01.037DOI Listing
January 2019

Effects of Perturbation-Based Balance Training in Subacute Persons With Stroke: A Randomized Controlled Trial.

Neurorehabil Neural Repair 2019 Feb 15:1545968319829453. Epub 2019 Feb 15.

1 Recanati School for Community Health Professions, Faculty of Health Sciences, Ben-Gurion University of the Negev, Israel.

Background: Reactive balance responses are critical for fall prevention. Perturbation-based balance training (PBBT) has shown a positive effect in reducing the risk of falls among older adults and persons with Parkinson's disease.

Objective: To explore the effect of a short-term PBBT on reactive balance responses, performance-based measures of balance and gait and balance confidence. Read More

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http://dx.doi.org/10.1177/1545968319829453DOI Listing
February 2019

Validity of Micro-Data Loggers to Determine Walking Activity of Turkeys and Effects on Turkey Gait.

Front Vet Sci 2018 31;5:319. Epub 2019 Jan 31.

Department of Animal Sciences, Purdue University, West Lafayette, IN, United States.

Accelerometers have the potential to provide objective, non-invasive methods for detecting changes in animal behavior and health. Our objectives were to: (1) determine the effects of micro-acceleration data loggers (accelerometers) and habituation to accelerometers on turkey gait and health status, (2) determine age-related changes in gait and health status, and (3) assess the validity and reliability of the accelerometers. Thirty-six male commercial turkeys were randomly assigned to one of five groups: accelerometer and habituation period (AH), accelerometer and no habituation period (AN), VetRap bandage (no accelerometer) and habituation period (VH), bandage (no accelerometer) and no habituation period (VN), and nothing on either leg (C). Read More

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http://dx.doi.org/10.3389/fvets.2018.00319DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6365412PMC
January 2019

Motoric Cognitive Risk Syndrome: Could It Be Defined Through Increased Five-Times-Sit-to-Stand Test Time, Rather Than Slow Walking Speed?

Front Aging Neurosci 2018 23;10:434. Epub 2019 Jan 23.

Division of Geriatric Medicine, Department of Medicine, Sir Mortimer B. Davis - Jewish General Hospital and Lady Davis Institute for Medical Research, McGill University, Montreal, QC, Canada.

Slow walking speed, time to perform the five-times-sit-to-stand (FTSS) test and motoric cognitive risk syndrome (MCR; defined as slow gait speed combined with subjective cognitive complaint) have been separately used to screen older individuals at risk of cognitive decline. This study seeks to (1) compare the characteristics of older individuals with MCR, as defined through slow walking speed and/or increased FTSS time; and (2) examine the relationship between MCR and its motor components as well as amnestic (a-MCI) and non-amnestic (na-MCI) Mild Cognitive Impairment. A total of 633, individuals free of dementia, were selected from the cross-sectional "Gait and Alzheimer Interactions Tracking" study. Read More

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http://dx.doi.org/10.3389/fnagi.2018.00434DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6366305PMC
January 2019

Shorter pulse width reduces gait disturbances following deep brain stimulation for essential tremor.

J Neurol Neurosurg Psychiatry 2019 Feb 14. Epub 2019 Feb 14.

Charité - Universitätsmedizin Berlin, Department of Neurology, Movement Disorder and Neuromodulation Unit, Berlin, Germany

Objective: Gait disturbances are frequent side effects occurring during chronic thalamic deep brain stimulation (DBS) in patients with essential tremor (ET). Adapting stimulation settings to shorter pulse widths has been shown to reduce side effects of subthalamic DBS. Here, we assess how a reduction of pulse width changes gait performance of affected patients. Read More

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http://dx.doi.org/10.1136/jnnp-2018-319427DOI Listing
February 2019

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

Motion sensor-based assessment of Parkinson's disease motor symptoms during leg agility tests: results from levodopa challenge.

IEEE J Biomed Health Inform 2019 Feb 8. Epub 2019 Feb 8.

Parkinson's disease (PD) is a degenerative, progressive disorder of the central nervous system that mainly affects motor control. The aim of this study was to develop data-driven methods and test their clinimetric properties to detect and quantify PD motor states using motion sensor data from leg agility tests. Nineteen PD patients were recruited in a levodopa single dose challenge study. Read More

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http://dx.doi.org/10.1109/JBHI.2019.2898332DOI Listing
February 2019

Effect of Pro-kin visual feedback balance training system on gait stability in patients with cerebral small vessel disease.

Medicine (Baltimore) 2019 Feb;98(7):e14503

Sino-French Department of Neurological Rehabilitation, Gansu Provincial Hospital, Lanzhou.

Due to the indistinct nature of symptoms for Cerebral Small Vessel Disease (CSVD), diagnosis is often missed. With significant deterioration of movement disorder, risk of falls increases dramatically.Comparison study was conducted to explore the association between balance function and gait instability, and the treatment effectiveness of visual feedback balance training on the gait disorder in CSVD patients. Read More

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http://dx.doi.org/10.1097/MD.0000000000014503DOI Listing
February 2019

Quantitative Multimodal Assessment of Concussion Recovery in Youth Athletes.

Clin J Sport Med 2019 Feb 11. Epub 2019 Feb 11.

The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts.

Objective: To evaluate recovery trajectories among youth athletes with a concussion and healthy controls across different domains using a quantitative and multifaceted protocol.

Study Design: Prospective repeated measures.

Participants: Youth athletes diagnosed with a concussion between the ages of 8 and 18 years were evaluated (1) within 10 days after injury, (2) approximately 3 weeks after injury, and (3) after return-to-play clearance. Read More

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http://dx.doi.org/10.1097/JSM.0000000000000722DOI Listing
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

Role of Sonification and Rhythmic Auditory Cueing for Enhancing Gait Associated Deficits Induced by Neurotoxic Cancer Therapies: A Perspective on Auditory Neuroprosthetics.

Front Neurol 2019 29;10:21. Epub 2019 Jan 29.

Consultation Division, Program Management Discovery Sciences, RSGBIOGEN, New Delhi, India.

Patients undergoing chemotherapy, radiotherapy, and immunotherapy experience neurotoxic changes in the central and peripheral nervous system. These neurotoxic changes adversely affect functioning in the sensory, motor, and cognitive domains. Thereby, considerably affecting autonomic activities like gait and posture. Read More

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http://dx.doi.org/10.3389/fneur.2019.00021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6361827PMC
January 2019

Effects of Aging and Task Prioritization on Split-Belt Gait Adaptation.

Front Aging Neurosci 2019 29;11:10. Epub 2019 Jan 29.

Center for Human Movement Sciences, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.

Age-related changes in the sensorimotor system and cognition affect gait adaptation, especially when locomotion is combined with a cognitive task. Performing a dual-task can shift the focus of attention and thus require task prioritization, especially in older adults. To gain a better understanding of the age-related changes in the sensorimotor system, we examined how age and dual-tasking affect adaptive gait and task prioritization while walking on a split-belt treadmill. Read More

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http://dx.doi.org/10.3389/fnagi.2019.00010DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6361861PMC
January 2019

Increased Anxiety-Related Behavior, Impaired Cognitive Function and Cellular Alterations in the Brain of Cend1-deficient Mice.

Front Cell Neurosci 2018 29;12:497. Epub 2019 Jan 29.

Laboratory of Cellular and Molecular Neurobiology-Stem Cells, Department of Neurobiology, Hellenic Pasteur Institute, Athens, Greece.

Cend1 is a neuronal-lineage specific modulator involved in coordination of cell cycle exit and differentiation of neuronal precursors. We have previously shown that Cend1 mice show altered cerebellar layering caused by increased proliferation of granule cell precursors, delayed radial granule cell migration and compromised Purkinje cell differentiation, leading to ataxic gait and deficits in motor coordination. To further characterize the effects of Cend1 genetic ablation we determined herein a range of behaviors, including anxiety and exploratory behavior in the elevated plus maze (EPM), associative learning in fear conditioning, and spatial learning and memory in the Morris water maze (MWM). Read More

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http://dx.doi.org/10.3389/fncel.2018.00497DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6361865PMC
January 2019
4.289 Impact Factor

Effects of high intensity speed-based treadmill training on ambulatory function in people with chronic stroke: A preliminary study with long-term follow-up.

Sci Rep 2019 Feb 13;9(1):1985. Epub 2019 Feb 13.

Brain Plasticity Laboratory, Department of Physical Therapy, University of Illinois at Chicago, Chicago, IL, USA.

High intensity treadmill training has shown to be beneficial for stroke survivors, yet the feasibility and long-term effects remain unclear. In this study, we aimed to determine whether a 4-week high intensity speed-based treadmill training (HISTT) is feasible for chronic stroke survivors, and we examined its effects on ambulatory function, and long-term retention. Sixteen individuals post-stroke participated in 40 minutes of HISTT for four weeks at a frequency of three sessions per week. Read More

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http://dx.doi.org/10.1038/s41598-018-37982-wDOI Listing
February 2019

A Non-Invasive Medical Device for Parkinson's Patients with Episodes of Freezing of Gait.

Sensors (Basel) 2019 Feb 12;19(3). Epub 2019 Feb 12.

Neurology department, Hospital Vozandes Quito, Quito 170521, Ecuador.

A critical symptom of Parkinson's disease (PD) is the occurrence of Freezing of Gait (FOG), an episodic disorder that causes frequent falls and consequential injuries in PD patients. There are various auditory, visual, tactile, and other types of stimulation interventions that can be used to induce PD patients to escape FOG episodes. In this article, we describe a low cost wearable system for non-invasive gait monitoring and external delivery of superficial vibratory stimulation to the lower extremities triggered by FOG episodes. Read More

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http://dx.doi.org/10.3390/s19030737DOI 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

Short-Term Effects of Manual Therapy in Patients After Surgical Fixation of Ankle and/or Hindfoot Fracture: A Randomized Clinical Trial.

J Orthop Sports Phys Ther 2019 Feb 13:1-32. Epub 2019 Feb 13.

University of Utah, Salt Lake City, UT.

Study Design: Multi-site double blind randomized clinical trial.

Background: Patients with surgical fixation of ankle and/or hindfoot fractures often experience decreased range of motion and loss of function following surgery and post-surgical immobilization, yet there is minimal evidence to guide care for these patients.

Objectives: To assess if manual therapy produces short-term improvements in range of motion, muscle stiffness, gait, and balance for patients undergoing operative fixation of an ankle and/or hindfoot fracture. Read More

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http://dx.doi.org/10.2519/jospt.2019.8864DOI Listing
February 2019

Dynamic stability and stepping strategies of young healthy adults walking on an oscillating treadmill.

PLoS One 2019 13;14(2):e0212207. Epub 2019 Feb 13.

Department of Biomedical Engineering, Marquette University, Milwaukee, WI, United States of America.

Understanding how people modify their stepping to maintain gait stability may provide information on fall risk and help to understand strategies used to reduce loss of balance. The purpose of this study was to identify the stepping strategies healthy young individuals select to maintain balance while walking on a destabilizing surface in various directions. A treadmill mounted on top of a 6 degree-of-freedom motion base was used to generate support surface oscillations in different degrees of freedom and amplitudes. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0212207PLOS
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

Effects of therapeutic exercise on sea sand on pain, fatigue, and balance in patients with chronic ankle instability: a feasibility study.

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

Department of Physical Therapy, Gachon University, Incheon, Republic of Korea.

Background: Chronic ankle instability (CAI) is a common disease following ankle sprain and appears balance and gait problems, pain, and fatigue. This study aimed to examine the effect of therapeutic exercise performed on sea sand on pain, fatigue, and balance ability in patients with CAI.

Methods: This study was designed as a randomized controlled trial. Read More

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http://dx.doi.org/10.23736/S0022-4707.19.09405-2DOI 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

Stroke Mimic Caused by Acetazolamide.

Eur J Case Rep Intern Med 2018 25;5(5):000822. Epub 2018 May 25.

Department of Medicine, Unidade Local de Saude do Alto Minho, Hospital Conde de Bertiandos, Ponte do Lima, Portugal.

Objectives: To describe a case of a stroke mimic caused by iatrogenic ataxia due to acetazolamide.

Case Description: An 86-year-old man with a history of gout and glaucoma, presented to the emergency department with progressive confusion, dizziness, disequilibrium and slurred speech, 3 days after he had started acetazolamide following ocular surgery. Physical examination showed he was hypertensive and had dysarthria; it was not possible to observe his gait due to pain in the right foot presumed to be due to a gout crisis. Read More

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http://dx.doi.org/10.12890/2018_000822DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6346928PMC

Primary Total Hip Arthroplasty in Severe Dysplastic Hip Osteoarthritis With a Far Proximal Cup Position.

J Arthroplasty 2019 Jan 23. Epub 2019 Jan 23.

Endogap, Joint Replacement Institute, Garmisch-Partenkirchen Medical Center, Garmisch-Partenkirchen, Germany.

Background: Developmental hip dysplasia is the most common cause of secondary hip osteoarthritis. Due to severe acetabular bone deficiency, cup positioning in total hip arthroplasty (THA) of dysplastic hips remains a surgical challenge. The aim was to analyze the functional outcome of far proximal cup positions in primary THA. Read More

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http://dx.doi.org/10.1016/j.arth.2019.01.032DOI Listing
January 2019

Gait in children and adolescents with idiopathic musculoskeletal pain.

Adv Rheumatol 2019 Feb 12;59(1). Epub 2019 Feb 12.

Rheumatology Unit of Pediatrics Department of Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua Borges Lagoa, 802, São Paulo, SP, 04038.001, Brazil.

Introduction: Musculoskeletal pain is a constant complaint in pediatric practice. The pain may be related to a number of organic diseases and / or be part of the amplified musculoskeletal pain syndromes. Idiopathic musculoskeletal pain (IMSP) is defined as the presence of intermittent pain in three or more body regions for at least three months, excluding organic diseases that could explain the symptoms. Read More

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http://dx.doi.org/10.1186/s42358-019-0052-1DOI 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
1 Read

Decoding neural activity to predict rat locomotion using intracortical and epidural arrays.

J Neural Eng 2019 Feb 12. Epub 2019 Feb 12.

Biomedical Engineering Department, Northwestern University, Chicago, Illinois, UNITED STATES.

Objective: Recovery of voluntary gait after spinal cord injury (SCI) requires the restoration of effective motor cortical commands, either by means of a mechanical connection to the limbs, or by restored functional connections to muscles. The latter approach might use functional electrical stimulation (FES), driven by cortical activity, to restore voluntary movements. Moreover, there is evidence that this peripheral stimulation, synchronized with patients' voluntary effort, can strengthen descending projections and recovery. Read More

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http://dx.doi.org/10.1088/1741-2552/ab0698DOI Listing
February 2019

Prevalence of Generalized Ligamentous Laxity in Patients Undergoing Hip Arthroscopy: A Prospective Study of Patients' Clinical Presentation, Physical Examination, Intraoperative Findings, and Surgical Procedures.

Am J Sports Med 2019 Feb 12:363546518825246. Epub 2019 Feb 12.

American Hip Institute, Westmont, Illinois, USA.

Background:: Recent studies identified microinstability in the hip as a pathoetiology of painful hip conditions, and it was proposed that generalized ligamentous laxity conditions may predispose patients to such microinstability.

Purpose:: To study the relationship of generalized ligamentous laxity with patient characteristics, clinical presentation, intraoperative findings, and surgical treatments in a cohort of patients undergoing hip arthroscopy.

Study Design:: Cross-sectional study; Level of evidence, 3. Read More

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http://dx.doi.org/10.1177/0363546518825246DOI Listing
February 2019

Neuromuscular control during gait in people with haemophilic arthropathy.

Haemophilia 2019 Feb 12. Epub 2019 Feb 12.

Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

Introduction: Effects of haemophilic arthropathy on neuromuscular control during gait are currently unknown.

Aims: (a) To assess how haemophilic arthropathy affects the complexity of neuromuscular control during gait; (b) To investigate the relationship between complexity of neuromuscular control and joint impairment.

Methods: Thirteen control subjects (CG) walked overground at their preferred and a slow velocity and thirteen people with haemophilic arthropathy (PWHA) walking at their preferred velocity. Read More

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http://doi.wiley.com/10.1111/hae.13697
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http://dx.doi.org/10.1111/hae.13697DOI Listing
February 2019
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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

Neurologic Conditions: Parkinson Disease.

FP Essent 2019 Feb;477:16-21

University of South Alabama College of Medicine Department of Family Medicine, 1601 Center Street, 2N Mobile, AL 36604.

Parkinson disease (PD) is a complex neurologic disorder that involves motor and nonmotor brain functions. PD is the second most common neurodegenerative disease after Alzheimer disease. Motor symptoms include resting tremor, cogwheel rigidity, extreme slowness of movement, shuffling gait, and impaired balance. Read More

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February 2019
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Clinical spectrum of the anti-GQ1b antibody syndrome: a case series of eight patients.

Acta Neurol Belg 2019 Feb 12. Epub 2019 Feb 12.

Department of Neurology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.

Anti-GQ1b antibodies can be detected in the serum of patients with Miller Fisher syndrome (MFS) and its incomplete forms such as acute ophthalmoparesis (AO), acute ptosis, acute mydriasis, acute oropharyngeal palsy and acute ataxic neuropathy (AAN), as well as in pharyngeal-cervical-brachial weakness, Bickerstaff brainstem encephalitis (BBE) and in overlap syndromes with Guillain-Barré syndrome (MFS-GBS, BBE-GBS). We searched the laboratory medicine database at University Hospitals Leuven between 2002 and 2017 for serum samples with anti-GQ1b IgG antibodies. We identified eight patients with anti-GQ1b antibodies: 4 MFS, 2 AO, 1 MFS-GBS and 1 AAN. Read More

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http://dx.doi.org/10.1007/s13760-019-01093-8DOI Listing
February 2019
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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
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Is Benign Hereditary Chorea Really Benign? Brain-Lung-Thyroid Syndrome Caused by Mutations.

Mov Disord Clin Pract 2019 Jan 9;6(1):34-39. Epub 2018 Nov 9.

Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology Baylor College of Medicine Houston Texas USA.

Background: Since its localization to the gene in 2002, the phenotype of the disorder historically called "benign hereditary chorea" has been expanding beyond chorea.

Methods: The phenomenology of movement disorders and other symptomatology associated with mutations in were characterized after a detailed evaluation of consecutive patients evaluated in our clinic over the past 3 years.

Results: We studied 5 patients (3 females), ages 2 to 31 years, with confirmed pathogenic variants in All patients exhibited chorea, gross motor delay, and gait impairment. Read More

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http://dx.doi.org/10.1002/mdc3.12690DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6335533PMC
January 2019
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The "Stutter-Step": A Peculiar Gait Feature in Advanced Huntington's Disease and Chorea-Acanthocytosis.

Mov Disord Clin Pract 2018 Mar-Apr;5(2):223-224. Epub 2018 Feb 15.

Movement Disorder Division, Neurology Department New York University School of Medicine New York New York USA.

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http://dx.doi.org/10.1002/mdc3.12586DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6336370PMC
February 2018
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A Phase Variable Approach to Volitional Control of Powered Knee-Ankle Prostheses.

Rep U S 2018 Oct 7;2018:2292-2298. Epub 2019 Jan 7.

Locomotor Control Systems Laboratory, Departments of Bioengineering and Mechanical Engineering, The University of Texas at Dallas, Richardson, TX 75080, USA.

Although there has been recent progress in control of multi-joint prosthetic legs for periodic tasks such as walking, volitional control of these systems for non-periodic maneuvers is still an open problem. In this paper, we develop a new controller that is capable of both periodic walking and common volitional leg motions based on a piecewise holonomic phase variable through a finite state machine. The phase variable is constructed by measuring the thigh angle, and the transitions in the finite state machine are formulated through sensing foot contact together with attributes of a nominal reference gait trajectory. Read More

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https://ieeexplore.ieee.org/document/8594023/
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http://dx.doi.org/10.1109/IROS.2018.8594023DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6368100PMC
October 2018
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Primary Intraventricular Hemorrhage Isolated in Cerebral Aqueduct Secondary to Dural Arteriovenous Fistula.

J Vasc Interv Neurol 2018 Nov;10(2):59-61

Department of Neurology, University of Missouri, Columbia, MO, USA.

Objective: We report a case of dural arteriovenous fistula (dAVF) presenting as isolated cerebral aqueduct hemorrhage.

Result: A 73-year-old man with a history of hypertension and chronic alcoholism presented with altered mental status and gait difficulties, bilateral fronto-occipital headaches, and intermittent dizziness. He had bilateral upward gaze restriction. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6350861PMC
November 2018
1 Read

Comorbidity of diabetes mellitus in idiopathic normal pressure hydrocephalus: a systematic literature review.

Fluids Barriers CNS 2019 Feb 12;16(1). Epub 2019 Feb 12.

Department of Neurosurgery, Wayne State University, 51 W Palmer ave, Detroit, MI, 48202, USA.

Idiopathic normal pressure hydrocephalus (iNPH) is a subtype of hydrocephalus that occurs more often in the elderly population. It is usually characterized by gait disturbance, dementia and urinary incontinence. Epidemiological studies indicate that 15. Read More

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http://dx.doi.org/10.1186/s12987-019-0125-xDOI Listing
February 2019