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Gait & Posture

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https://www.readbyqxmd.com/read/29462775/gait-analysis-in-patients-with-chronic-obstructive-pulmonary-disease-a-systematic-review
#1
REVIEW
Matteo Zago, Chiarella Sforza, Daniela Rita Bonardi, Enrico Eugenio Guffanti, Manuela Galli
BACKGROUND: Gait instability is a major fall-risk factor in patients with chronic obstructive pulmonary disease (COPD). Clinical gait analysis is a reliable tool to predict fall onsets. However, controversy still exists on gait impairments associated with COPD. RESEARCH QUESTION: Thus, the aims of this review were to evaluate the current understanding of spatiotemporal, kinematic and kinetic gait features in patients with COPD. METHODS: In line with PRISMA guidelines, a systematic literature search was performed throughout Web of Science, PubMed Medline, Scopus, PEDro and Scielo databases...
February 13, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29462774/dual-task-related-gait-changes-in-individuals-with-trans-tibial-lower-extremity-amputation
#2
Susan W Hunter, Courtney Frengopoulos, Jeffrey Holmes, Ricardo Viana, Michael W C Payne
BACKGROUND: The improvement of gait and mobility are major rehabilitation goals following lower extremity amputations. However, when living in the community many daily activities require the multitasking of motor and cognitive tasks. The dual-task paradigm can be used to evaluate the concurrent performance of mobility and cognitive tasks. RESEARCH QUESTION: The purpose of this study was to evaluate the effects of dual-task gait testing in older adults with trans-tibial amputations...
February 13, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29453101/can-higher-training-practice-dosage-with-treadmill-slip-perturbation-necessarily-reduce-risk-of-falls-following-overground-slip
#3
Anna Lee, Tanvi Bhatt, Xuan Liu, Yiru Wang, Yi-Chung Pai
BACKGROUND: Perturbation training is an emerging paradigm to reduce idiopathic falls (without clinical signs or symptoms) in older adults. While a higher threat dosage (intensity) in motor learning often directly relates to greater adaptation, retention, and generalization, little is known whether increasing the practice dosage (repetition) of slip-perturbation training would necessarily improve its outcomes. RESEARCH QUESTION: Can higher practice dosage of treadmill slip-perturbation training lead to greater generalization to an overground slip immediately after the training? METHODS: Forty-five community-dwelling older adults (73...
February 13, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29462773/unmatched-speed-perceptions-between-overground-and-treadmill-manual-wheelchair-propulsion-in-long-term-manual-wheelchair-users
#4
Félix Chénier, Audrey Champagne, Guillaume Desroches, Dany H Gagnon
BACKGROUND: Manual wheelchair (MWC) propulsion is increasingly assessed on a motorized treadmill (TM), which is often considered more ecologically valid than stationary rollers. However, no clear consensus on the similarities between overground (OG) and TM propulsion has yet been reached. Furthermore, no study has investigated the participants' perceptions of propelling a MWC on a TM compared to OG. RESEARCH QUESTION: The present study aims to assess the perception of speed when propelling on a TM vs OG, and to relate this perception to measured spatiotemporal variables, kinetics and work...
February 12, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29448220/trunk-postural-balance-and-low-back-pain-reliability-and-relationship-with-clinical-changes-following-a-lumbar-stabilization-exercise-program
#5
Ali Shahvarpour, Dany Gagnon, Richard Preuss, Sharon M Henry, Christian Larivière
Lumbar stabilization programs reduce pain and disability, but the mechanisms of action underlying this treatment are unknown. Trunk postural control during unstable sitting represents a surrogate measure of motor control mechanisms involved to maintain the dynamic stability of the spine. This exploratory study aimed to determine the reliability of trunk postural control measures over an 8-week interval, their sensitivity to low back pain status and treatment and their relationship with clinical outcomes. Trunk postural control measures were determined in patients with low back pain before and after an 8-week lumbar stabilization exercise program...
February 9, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29454289/walking-speed-measurement-with-an-ambient-measurement-system-ams-in-patients-with-multiple-sclerosis-and-walking-impairment
#6
Francois Bethoux, Jonathan S Varsanik, Timothy W Chevalier, Elkan F Halpern, Darlene Stough, Zebadiah M Kimmel
BACKGROUND: Walking speed is an important measure of gait impairment in multiple sclerosis (MS). The clinical assessment of walking speed requires dedicated time, space, and personnel, and may not accurately gauge real-world performance. The term "Ambient Measurement System" (AMS) refers to a new class of device that passively measures walking speed at home, without the need for dedicated space or specialized setup. This study compared an AMS, Echo5D, versus in-clinic standard measures of walking speed on a straight path...
February 8, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29433090/a-systematic-review-of-approaches-to-modelling-lower-limb-muscle-forces-during-gait-applicability-to-clinical-gait-analyses
#7
REVIEW
Ursula Trinler, Kristen Hollands, Richard Jones, Richard Baker
Computational methods to estimate muscle forces during walking are becoming more common in biomechanical research but not yet in clinical gait analysis. This systematic review aims to identify the current state-of-the-art, examine the differences between approaches, and consider applicability of the current approaches in clinical gait analysis. A systematic database search identified studies including estimated muscle force profiles of the lower limb during healthy walking. These were rated for quality and the muscle force profiles digitised for comparison...
February 6, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29428714/%C3%AE-amyloid-deposition-is-associated-with-gait-variability-in-usual-aging
#8
Qu Tian, Woei-Nan Bair, Susan M Resnick, Murat Bilgel, Dean F Wong, Stephanie A Studenski
BACKGROUND: Higher amyloid burden predicts gait slowing in aging. Whether and which gait characteristics are associated with amyloid burden is less clear. Gait variability may be more sensitive to amyloid burden than mean gait characteristics. METHODS: In the Baltimore Longitudinal Study of Aging, 99 older participants without neurological disease had concurrent amyloid imaging and assessment of gait characteristics. β-amyloid burden was measured using11 C-Pittsburgh compound B (PiB) positron emission tomography...
February 6, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29448221/trip-specific-training-enhances-recovery-after-large-postural-disturbances-for-which-there-is-expectation
#9
Simisola O Oludare, Mackenzie L Pater, Noah J Rosenblatt, Mark D Grabiner
PURPOSE: Informed consent usually provides foreknowledge of experimental methods that can potentially increase expectation of stimuli and, therefore, influence the response. We determined the effects of increased expectation and trip-specific training on the recovery response following a treadmill-delivered, trip-specific disturbance. To deliver unexpected disturbances, subjects were deceived during the informed consent process. The primary hypothesis was that the recovery response following an expected postural disturbance would be characterized by trunk kinematics that have been shown to decrease the likelihood of a fall, compared to following an unexpected postural disturbance...
February 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29433091/the-influence-of-lower-limb-impairments-on-racerunning-performance-in-athletes-with-hypertonia-ataxia-or-athetosis
#10
Marietta L van der Linden, Sadaf Jahed, Nicola Tennant, Martine H G Verheul
OBJECTIVES: RaceRunning enables athletes with limited or no walking ability to propel themselves independently using a three-wheeled running bike that has a saddle and a chest plate for support but no pedals. For RaceRunning to be included as a Para athletics event, an evidence-based classification system is required. Therefore, the aim of this study was to assess the association between a range of impairment measures and RaceRunning performance. METHODS: The following impairment measures were recorded: lower limb muscle strength assessed using Manual Muscle Testing (MMT), selective voluntary motor control assessed using the Selective Control Assessment of the Lower Extremity (SCALE), spasticity recorded using both the Australian Spasticity Assessment Score (ASAS) and Modified Ashworth Scale (MAS), passive range of motion (ROM) of the lower extremities and the maximum static step length achieved on a stationary bike (MSSL)...
February 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29427858/spatiotemporal-and-kinematic-characteristics-of-gait-initiation-across-a-wide-speed-range
#11
Ben Stansfield, Katrina Hawkins, Sarah Adams, Doireann Church
BACKGROUND: Gait initiation can be performed at a range of speeds. Those with disability tend to use a slower speed compared to those without disability. In assessing the spatiotemporal and kinematic characteristics of gait initiation it is therefore important to consider the effects of speed on outcomes. RESEARCH QUESTION: What is the effect of speed of performance on spatiotemporal and kinematic characteristics of gait initiation? METHODS: Spatiotemporal and kinematic characteristics were measured across a wide range of speeds from very slow to very fast (normalised initiating leg (swing or SW limb) step speed 0...
February 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413805/postural-control-deficit-during-sit-to-walk-in-patients-with-parkinson-s-disease-and-freezing-of-gait
#12
Susanna Mezzarobba, Michele Grassi, Roberto Valentini, Paolo Bernardis
INTRODUCTION: The intricate linkage between Freezing of Gait (FoG) and postural control in Parkinson's disease (PD) is unclear. We analyzed the impact of FoG on dynamic postural control. METHODS: 24 PD patients, 12 with (PD + FoG), 12 without FoG (PD-FoG), and 12 healthy controls, were assessed in ON state. Mobility and postural control were measured with clinical scales (UPDRS III, BBS, MPAS) and with kinematic and kinetic analysis during three tasks, characterized by levels of increasing difficulty to plan sequential movement of postural control: walk (W), gait initiation (GI) and sit-to-walk (STW)...
February 2, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413788/biomechanical-characteristics-of-lower-limb-gait-waveforms-associations-with-body-fat-in-children
#13
Ryan Mahaffey, Stewart C Morrison, Paul Bassett, Wendy I Drechsler, Mary C Cramp
BACKGROUND: Childhood obesity is associated with musculoskeletal dysfunction and altered lower limb biomechanics during gait. Few previous studies have explored relationships between childhood obesity measured by body fat and lower limb joint waveform kinematics and kinetics. RESEARCH QUESTION: What is the association between body fat and hip, knee and ankle joint angles and moments during gait and in 7 to 11 year-old boys? METHODS: Fifty-five boys participated in the study...
February 2, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413804/impacts-of-freezing-of-gait-on-forward-and-backward-gait-in-parkinson-s-disease
#14
Minji Son, Sang-Myung Cheon, Changhong Youm, Youkyung Kim, Jae Woo Kim
Freezing of gait (FOG) is a major risk factor for falls and fall-related injuries in patients with Parkinson's disease (PD). The characteristics of gait in PD patients with FOG have been studied but remain controversial. To investigate gait characteristics of FOG in PD, this study analyzed the forward and backward walking of patients with PD. Twenty-six patients with PD were recruited [age: 71.0 ± 6.2 years, Hoehn and Yahr stage: 2-3 (median 2.5)]. Based on responses to the New Freezing of Gait Questionnaire, we classified patients into either the "freezer" or "non-freezer" group...
February 1, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413786/arch-index-and-running-biomechanics-in-children-aged-10-14-years
#15
Karsten Hollander, Julie Stebbins, Inke Marie Albertsen, Daniel Hamacher, Kornelia Babin, Claudia Hacke, Astrid Zech
BACKGROUND: While altered foot arch characteristics (high or low) are frequently assumed to influence lower limb biomechanics and are suspected to be a contributing factor for injuries, the association between arch characteristics and lower limb running biomechanics in children is unclear. RESEARCH QUESTION: Therefore, the aim of this study was to investigate the relationship between a dynamically measured arch index and running biomechanics in healthy children...
February 1, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29448219/gait-posture-special-issue-gait-adaptations-in-response-to-obstacle-type-in-fallers-with-parkinson-s-disease
#16
Lisa Alcock, Brook Galna, Jeffrey M Hausdorff, Sue Lord, Lynn Rochester
BACKGROUND: Gait impairment places older adults and people with Parkinson's disease (PD) at an increased risk of falls when walking over obstacles. Increasing the height of obstacles results in greater challenge to balance however little is known about the demands encountered when negotiating obstacles of greater depth which may be greater for PD who often walk with a short, shuffling gait. RESEARCH QUESTION: To describe gait adaptation in older adults and people with PD when walking over long and tall obstacles...
January 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29427859/preliminary-concurrent-validity-of-the-fitbit-zip-and-actigraph-activity-monitors-for-measuring-steps-in-people-with-polymyalgia-rheumatica
#17
Anish Chandrasekar, Elizabeth M A Hensor, Sarah L Mackie, Michael R Backhouse, Emma Harris
BACKGROUND: Activity monitors provide objective measurements of physical activity, however, the accuracy of these devices in people with polymyalgia rheumatica (PMR) is unknown. Therefore, this study aimed to obtain preliminary evidence of the accuracy of two activity monitors and explore if clinical and gait-related factors altered device accuracy in people with PMR. METHODS: The ActiGraph with low frequency extension (+LFE) and standard (-LFE) algorithms, Fitbit-Zip (waist) and Fitbit-Zip (shirt) were concurrently tested using a two-minute walk test (2MWT) and stairs test in 27 people with PMR currently treated with prednisolone...
January 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413803/motor-learning-in-people-with-parkinson-s-disease-implications-for-fall-prevention-across-the-disease-spectrum
#18
REVIEW
Serene S Paul, Leland E Dibble, Daniel S Peterson
BACKGROUND: Falls are a significant burden for people with Parkinson's disease (PD), however, individuals across the spectrum of disease severity respond differently to fall prevention interventions. Despite the multifactorial causes of falls in people with PD, recent work has provided insight into interventions that hold promise for fall prevention. Further, studies have begun to identify patient characteristics that may predict responsiveness to such interventions. RESEARCH QUESTION: We discuss (i) the postural motor learning abilities of people with mild versus severe PD that could affect their ability to benefit from fall prevention interventions, (ii) how people with different severity of PD respond to such interventions, and (iii) the practical considerations of providing effective fall prevention interventions for people with PD across the spectrum of disease severity...
January 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413802/real-time-visual-biofeedback-to-improve-therapy-compliance-after-total-hip-arthroplasty-a-pilot-randomized-controlled-trial
#19
Marco Raaben, H Charles Vogely, Taco J Blokhuis
BACKGROUND: Previous studies have shown limited therapy compliance in weight-bearing in patients following total hip arthroplasty. RESEARCH QUESTION: The purpose of this pilot RCT is to determine the immediate and late effect of real-time, visual biofeedback on weight-bearing during rehabilitation after THA in elderly. METHODS: 24 participants who underwent THA were randomized to either the control or the intervention group. The intervention group received real-time, visual biofeedback on weight-bearing during training with the physical therapist during hospitalization and at twelve weeks follow up...
January 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413801/trunk-rotation-alters-postural-sway-but-not-gait-in-female-children-and-early-adolescents-results-from-a-school-based-screening-for-scoliosis
#20
Massimiliano Pau, Bruno Leban, Giuseppina Pilloni, Micaela Porta, Fabio Cubeddu, Claudio Secci, Veronica Piras, Marco Monticone
OBJECTIVE: The purpose of this study was to assess the influence of trunk rotation (TR) on postural sway and spatial-temporal parameters of gait in children and early adolescents screened at school for the presence of scoliosis. METHODS: Two hundred and fifty-five individuals aged 9-14 (141 boys, 114 girls) underwent trunk rotation (TR) assessment by means of angle of trunk rotation (ATR) measurements performed with Bunnell's scoliometer. Participants with ATR ≥ 5° formed the TR group whose data were compared with those of a control group (CON) composed of individuals with ATR < 5° matched for age and anthropometric features...
January 31, 2018: Gait & Posture
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