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Gait & Posture

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https://www.readbyqxmd.com/read/28419877/effect-of-foot-orthoses-on-the-medial-longitudinal-arch-in-children-with-flexible-flatfoot-deformity-a-three-dimensional-moment-analysis
#1
Amir Ali Jafarnezhadgero, Morteza Madadi Shad, Mahdi Majlesi
Foot orthoses are often used to correct altered gait patterns. The purpose of this study was to investigate how foot orthoses can modify the magnitude of three dimensional moments of ankle, knee, and hip joints during a stride of gait in children with flexible flat feet. Bilateral gait data were collected from fourteen male children (age 10.2±1.4 years) suffering from flat feet syndrome. In order to obtain the kinematics data, a Vicon system with six cameras (100Hz) was used and two Kistler force plates (1000Hz) to record the kinetics data under each leg...
April 7, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28419876/reproducibility-of-the-balance-evaluation-systems-test-bestest-and-the-mini-bestest-in-school-aged-children
#2
R Dewar, A P Claus, K Tucker, R Ware, L M Johnston
This study evaluated the intra-rater, inter-rater and test-retest reproducibility of the Full-BESTest and Mini-BESTest when assessing postural control in children. Thirty-four children aged 7-17 years participated in intra-rater and inter-rater evaluation, and 22 children repeated assessment six weeks later for evaluation of test-retest reliability. Postural control was assessed using the Full Balance Evaluation Systems Test (Full-BESTest) and the short-form Mini-BESTest. Intra-rater, inter-rater and test-retest reproducibility were examined using video assessment...
April 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411445/comparison-of-the-classifier-oriented-gait-score-and-the-gait-profile-score-based-on-imitated-gait-impairments
#3
Christian Josef, Kröll Josef, Schwameder Hermann
Common summary measures of gait quality such as the Gait Profile Score (GPS) are based on the principle of measuring a distance from the mean pattern of a healthy reference group in a gait pattern vector space. The recently introduced Classifier Oriented Gait Score (COGS) is a pathology specific score that measures this distance in a unique direction, which is indicated by a linear classifier. This approach has potentially improved the discriminatory power to detect subtle changes in gait patterns but does not incorporate a profile of interpretable sub-scores like the GPS...
April 5, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411443/assessment-of-stability-during-gait-in-patients-with-spinal-deformity-a-preliminary-analysis-using-the-dynamic-stability-margin
#4
Anne-Laure Simon, Vipul Lugade, Kathie Bernhardt, A Noelle Larson, Kenton Kaufman
Daily living activities are dynamic, requiring spinal motion through space. Current assessment of spinal deformities is based on static measurements from full-spine standing radiographs. Tools to assess dynamic stability during gait might be useful to enhance the standard evaluation. The aim of this study was to evaluate gait dynamic imbalance in patients with spinal deformity using the dynamic stability margin (DSM). Twelve normal subjects and 17 patients with spinal deformity were prospectively recruited...
April 5, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411442/ankle-muscle-co-contractions-during-quiet-standing-are-associated-with-decreased-postural-steadiness-in-the-elderly
#5
Albert H Vette, Dimitry G Sayenko, Michael Jones, Masaki O Abe, Kimitaka Nakazawa, Kei Masani
It has been reported that the elderly use co-contraction of the tibialis anterior (TA) and plantarflexor muscles for longer duration during quiet standing than the young. However, the particular role of ankle muscle co-contractions in the elderly during quiet standing remains unclear. Therefore, the objective of this study was to investigate the association between ankle muscle co-contractions and postural steadiness during standing in the elderly. Twenty-seven young (27.2±4.5yrs) and twenty-three elderly (66...
April 5, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28419875/falls-in-people-with-parkinson-s-disease-a-prospective-comparison-of-community-and-home-based-falls
#6
Robyn M Lamont, Meg E Morris, Hylton B Menz, Jennifer L McGinley, Sandra G Brauer
BACKGROUND: Falls are common and debilitating in people with Parkinson's disease (PD) and restrict participation in daily activities. Understanding circumstances of falls in the community and at home may assist clinicians to target therapy more effectively. OBJECTIVE: To compare the characteristics of community and home fallers and the circumstances that contribute to falls in people living with PD. METHODS: People with mild-moderately severe PD (n=196) used a daily falls diary and telephone hotline to report prospectively the occurrence, location and circumstances of falls over 14 months...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28412603/impairments-of-balance-stepping-reactions-and-gait-in-people-with-cervical-dystonia
#7
Christopher Barr, Rhiannon Barnard, Lauren Edwards, Sheila Lennon, Lynley Bradnam
BACKGROUND: Impaired balance is common in neurological disorders. Cervical dystonia is a neurological movement disorder affecting the neck. The effect of this aberrant head posture on physical function is unknown. OBJECTIVES: To compare balance, mobility, gait and stepping reactions between ten people with cervical dystonia and ten control adults. METHODS: Spatiotemporal gait parameters and walking speed were assessed using a computerised walkway...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28407507/concurrent-validation-of-an-index-to-estimate-fall-risk-in-community-dwelling-seniors-through-a-wireless-sensor-insole-system-a-pilot-study
#8
Mirko Di Rosa, Jeff M Hausdorff, Vera Stara, Lorena Rossi, Liam Glynn, Monica Casey, Stefan Burkard, Antonio Cherubini
Falls are a major health problem for older adults with immediate effects, such as fractures and head injuries, and longer term effects including fear of falling, loss of independence, and disability. The goals of the WIISEL project were to develop an unobtrusive, self-learning and wearable system aimed at assessing gait impairments and fall risk of older adults in the home setting; assessing activity and mobility in daily living conditions; identifying decline in mobility performance and detecting falls in the home setting...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28407506/letter-to-the-editor-on-textured-and-stimulating-insoles-for-balance-and-gait-impairments-in-patients-with-multiple-sclerosis-and-parkinson-s-disease-a-systematic-review-and-meta-analysis-by-martin-alfuth-gait-posture-2017-51-132-141
#9
LETTER
https://www.readbyqxmd.com/read/28407503/parkinsonian-signs-are-a-risk-factor-for-falls
#10
Nabila Dahodwala, Chinwe Nwadiogbu, Whitney Fitts, Helen Partridge, Jason Karlawish
BACKGROUND: Parkinsonian signs are common, non-specific findings in older adults and associated with increased rates of dementia and mortality. It is important to understand which motor outcomes are associated with parkinsonian signs. OBJECTIVES: To determine the role of parkinsonian signs on fall rates among older adults. METHODS: We conducted a longitudinal study of primary care patients from the University of Pennsylvania Health System...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411552/reliability-of-four-models-for-clinical-gait-analysis
#11
Hans Kainz, David Graham, Julie Edwards, Henry P J Walsh, Sheanna Maine, Roslyn N Boyd, David G Lloyd, Luca Modenese, Christopher P Carty
Three-dimensional gait analysis (3DGA) has become a common clinical tool for treatment planning in children with cerebral palsy (CP). Many clinical gait laboratories use the conventional gait analysis model (e.g. Plug-in-Gait model), which uses Direct Kinematics (DK) for joint kinematic calculations, whereas, musculoskeletal models, mainly used for research, use Inverse Kinematics (IK). Musculoskeletal IK models have the advantage of enabling additional analyses which might improve the clinical decision-making in children with CP...
April 3, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411444/continuous-and-difficult-discrete-cognitive-tasks-promote-improved-stability-in-older-adults
#12
Yves Lajoie, Deborah A Jehu, Natalie Richer, Alan Chan
Directing attention away from postural control and onto a cognitive task affords the emergence of automatic control processes. Perhaps the continuous withdrawal of attention from the postural task facilitates an automatization of posture as opposed to only intermittent withdrawal; however this is unknown in the aging population. Twenty older adults (69.9±3.5years) stood with feet together on a force platform for 60s while performing randomly assigned discrete and continuous cognitive tasks. Participants were instructed to stand comfortably with their arms by their sides while verbally responding to the auditory stimuli as fast as possible during the discrete tasks, or mentally performing the continuous cognitive tasks...
April 3, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411551/an-alternative-whole-body-marker-set-to-accurately-and-reliably-quantify-joint-kinematics-during-load-carriage
#13
Gavin K Lenton, Tim L A Doyle, David J Saxby, David G Lloyd
Body armor covers anatomical landmarks that would otherwise be used to track trunk and pelvis movement in motion analysis. This study developed and evaluated a new marker set, and compared it to placing markers on the skin and over-top of body armor. In our method, pelvis and trunk motions were measured using a custom-built sacral and upper-back marker cluster, respectively. Joint angles and ranges of motion were determined while participants walked without and with body armor. Angles were obtained from the new marker set and compared against conventional marker sets placed on the skin or over-top the body armor...
April 2, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28384609/dual-task-gait-differences-in-female-and-male-adolescents-following-sport-related-concussion
#14
David R Howell, Andrea Stracciolini, Ellen Geminiani, William P Meehan
Concussion may affect females and males differentially. Identification of gender-related differences after concussion, therefore, may help clinicians with individualized evaluations. We examined potential differences in dual-task gait between females and males after concussion. Thirty-five participants diagnosed with a concussion (49% female, mean age=15.0±2.1 years, 7.5±3.0 days post-injury) and 51 controls (51% female, mean age=14.4±2.1 years) completed a symptom inventory and single/dual-task gait assessment...
April 1, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28407504/high-heeled-walking-decreases-lumbar-lordosis
#15
Edeny Baaklini, Michael Angst, Florian Schellenberg, Marina Hitz, Stefan Schmid, Amir Tal, William R Taylor, Silvio Lorenzetti
An estimated 78% of women regularly walk in high heels. However, up to 58% complain about low back pain, which is commonly thought to be caused by increased lumbar lordosis. However, the extent to which a subject's posture is modified by high-heeled shoes during dynamic activities remains unknown. Therefore, we sought to evaluate whether low- or high-heeled shoes influence the kinematics of the pelvis and the spine during walking. Twenty-three inexperienced women, and seventeen women experienced in wearing high-heeled shoes, all aged 20-55 years, were measured barefoot and while wearing low- (4cm) and high-heeled (10cm) shoes during gait at a self-selected speed...
March 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28395171/the-validity-of-the-gait-variability-index-for-individuals-with-mild-to-moderate-parkinson-s-disease
#16
Linda Rennie, Espen Dietrichs, Rolf Moe-Nilssen, Arve Opheim, Erika Franzén
Increased step-to-step variability is a feature of gait in individuals with Parkinson's disease (PD) and is associated with increased disease severity and reductions in balance and mobility. The Gait Variability Index (GVI) quantifies gait variability in spatiotemporal variables where a score ≥100 indicates a similar level of gait variability as the control group, and lower scores denote increased gait variability. The study aim was to explore mean GVI score and investigate construct validity of the index for individuals with mild to moderate PD...
March 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28390293/comparison-of-foot-muscle-morphology-and-foot-kinematics-between-recreational-runners-with-normal-feet-and-with-asymptomatic-over-pronated-feet
#17
Xianyi Zhang, Jeroen Aeles, Benedicte Vanwanseele
Over-pronated feet are common in adults and are associated with lower limb injuries. Studying the foot muscle morphology and foot kinematic patterns is important for understanding the mechanism of over-pronation related injuries. The aim of this study is to compare the foot muscle morphology and foot inter-segmental kinematics between recreational runners with normal feet and those with asymptomatic over-pronated feet. A total of 26 recreational runners (17 had normal feet and 9 had over-pronated feet) participated in this study and their foot type was assessed using the 6-item Foot Posture Index...
March 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411441/longitudinal-gait-and-balance-decline-in-friedreich-s-ataxia-a-pilot-study
#18
Theresa A Zesiewicz, Jeannie B Stephenson, Seok Hun Kim, Kelly L Sullivan, Israt Jahan, Yangxin Huang, Jason L Salemi, Lynn Wecker, Jessica D Shaw, Clifton L Gooch
INTRODUCTION: Friedreich's Ataxia (FA) is a devastating, progressive, neurodegenerative disease. Objective measures that detect changes in neurological function in FA patients are needed to facilitate therapeutic clinical trials. The purpose of this pilot study was to analyze longitudinal changes in gait and balance in subjects with FA using the GAITRite Walkway System(®) and Biodex Balance System™, respectively, and to test the ability of these measures to detect change over time compared to the Friedreich's Ataxia Rating Scale (FARS)...
March 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28407505/a-randomized-controlled-trial-on-providing-ankle-foot-orthoses-in-patients-with-sub-acute-stroke-short-term-kinematic-and-spatiotemporal-effects-and-effects-of-timing
#19
Corien D M Nikamp, Marte S H Hobbelink, Job van der Palen, Hermie J Hermens, Johan S Rietman, Jaap H Buurke
Initial walking function is often limited after stroke, and regaining walking ability is an important goal in rehabilitation. Various compensatory movement strategies to ensure sufficient foot-clearance are reported. Ankle-foot orthoses (AFOs) are often prescribed to improve foot-clearance and may influence these strategies. However, research studying effects of actual AFO-provision early after stroke is limited. We conducted an explorative randomized controlled trial and aimed to study the short-term effects of AFO-provision on kinematic and spatiotemporal parameters in patients early after stroke...
March 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28391176/temporal-coordination-between-ground-reaction-forces-generated-by-leading-and-trailing-limbs-for-propulsion-during-double-stance-phase-in-human-walking
#20
Yoichiro Sato, Norimasa Yamada
Although it was reported that ground reaction forces (GRFs) are generated simultaneously by the leading and trailing limbs during the double stance phase, the finding was not examined by temporal analyses. Therefore, the purpose of the present study is to clarify how GRFs can act to propel the body in a forward direction during the double stance phase. GRFs were recorded during the double stance phase in eleven healthy volunteers. We calculated the instantaneous phase of the GRFs for vertical and anterior-posterior (AP) components, and then calculated the relative phase between the leading and trailing limbs for each component...
March 30, 2017: Gait & Posture
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