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https://www.readbyqxmd.com/read/28735949/hip-flexor-muscle-dysfunction-during-walking-at-self-selected-and-fast-speed-in-patients-with-aortoiliac-peripheral-arterial-disease
#1
Takaaki Kakihana, Osamu Ito, Yusuke Sekiguchi, Daisuke Ito, Hitoshi Goto, Daijirou Akamatsu, Yasuharu Matsumoto, Masahiro Kohzuki
OBJECTIVE: Intermittent claudication aggravates physical function and is associated with an increased risk of death in patients with peripheral arterial disease (PAD). Previous studies on kinetic parameters (joint moment and power) of lower limbs in these patients have largely focused on the decline in the ankle plantar flexor moment and power at self-selected (SS) walking speed, which may not be an optimal condition to induce claudication pain. In the present study, we investigated the abnormalities in joint kinetic parameters in patients with PAD at both SS and at fast walking speeds...
August 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28735202/effect-of-wii-fit%C3%A2-exercise-therapy-on-gait-parameters-in-ankle-sprain-patients-a-randomized-controlled-trial
#2
Ilona M Punt, Stéphane Armand, Jean-Luc Ziltener, Lara Allet
Ankle sprains are the most common sport related injuries. An alternative to physical therapy in the treatment of ankle sprains is home based exercise therapy. This study aims to compare the effectiveness of Wii Fit™ exercise therapy in ankle sprain patients on temporal-spatial and kinematic gait parameters with a) conventional therapy and b) a control group not receiving exercise therapy. Ninety patients were randomly assigned to a Wii Fit™, physical therapy or control group. Temporal-spatial and kinematic gait parameters were assessed at baseline, 6 weeks and 6 months follow-up...
June 29, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28727159/children-with-heavy-prenatal-alcohol-exposure-exhibit-atypical-gait-characteristics
#3
Tenille C Taggart, Roger W Simmons, Jennifer D Thomas, Edward P Riley
BACKGROUND: Impaired motor function in children with histories of prenatal exposure to alcohol has been previously reported but, to date, no studies using quantitatively-based analyses have been performed to assess gait in these children. METHODS: Gait of children with (n = 18) or without (n = 26) prenatal alcohol exposure was assessed using an electronically instrumented walkway. Children completed blocks of trials traversing the walkway with different combinations of walking condition (increased, self-paced, and decreased cadence) and direction (forward and backward)...
July 20, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28724204/gait-and-balance-impairment-after-acute-methanol-poisoning
#4
Kamila Peterová, Hana Brožová, Jiří Klempíř, Irena Lišková, Ondřej Bezdíček, Petr Ridzoň, Manuela Vaněčková, Sergej Zakharov, Daniela Pelclová, Michal Miovský, Evžen Růžička
Neurological sequelae including gait impairment were reported in survivors after methanol intoxication; however, no systematic study has been published so far. We aimed to analyse gait and balance impairment in a group of Czech methanol poisoning survivors. We examined 43 patients (age 46±13 years) 2-8 months after methanol poisoning and 43 healthy controls. Investigations contained a shortened version of Falls Efficacy Scale (FES), clinical tests of gait and balance including Timed Up and Go test (TUG) and gait analysis using GaitRite(®) system, neurological and neuropsychological examination, brain imaging, EMG and tests of alcohol consumption...
July 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28715236/effects-of-different-heel-raise-lower-exercise-interventions-on-the-strength-of-plantarflexion-balance-and-gait-parameters-in-stroke-survivors
#5
Seung-Mi Lee, Heon-Seock Cynn, Tae-Lim Yoon, Ji-Hyun Lee
The objective of this study was to investigate the effects of Heel-Raise-Lower Exercise (HRLE) interventions on the strength of plantarflexion, balance, and gait parameters in people with stroke. Specifically, this study compared the two different HRLEs to identify whether heels raise-lower with forefoot on a block (HRB) is more effective or ineffective to enhance strength and functional capacities than heels raise-lower on a level floor (HRL) exercise in people with stroke. Repetitive heel raise-lower is a common exercise for improving the strength and power of ankle plantarflexors...
July 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28712541/mechanical-demands-on-the-lower-back-in-patients-with-non-chronic-low-back-pain-during-a-symmetric-lowering-and-lifting-task
#6
Iman Shojaei, Elizabeth G Salt, Quenten Hooker, Babak Bazrgari
There is limited information in the literature related to the lower back loading in patients with LBP, particularly those with non-chronic LBP. Toward addressing such a research gap, a case-control study was conducted to explore the differences in lower back mechanical loads between a group of females (n=19) with non-chronic, non-specific LBP and a group of asymptomatic females (n=19). The differences in lower back mechanical loads were determined when participants completed one symmetric lowering and lifting of a 4...
July 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28711361/does-crutch-length-influence-gait-parameters-after-total-hip-replacement-surgery
#7
Marco Freddolini, Francesco Esposito, Massimiliano Marcucci, Andrea Corvi, Palmina Braccio, Leonardo Latella
After total hip replacement surgery, crutches are often prescribed to enable patients to walk independently. Purpose of this study was to evaluate possible crutch length influence on gait performance and symmetry, including spatiotemporal and kinetics parameters. Thirty patients were randomly assigned to elbow flexed (EF) or elbow extended (EE) crutch setup. Subjects were asked to walk on the laboratory path, instrumented with motion tracking system and force platforms. Spatiotemporal gait parameters and ground reaction force (GRF) parameters for both limbs and crutch support were evaluated...
July 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28709904/the-effects-of-gaze-stabilization-on-gait-parameters-in-individuals-with-parkinson-s-disease
#8
Rebecca J Reed-Jones, Douglas W Powell
The purpose of this study was to examine the effects of gaze fixation on head stabilization and gait during straight over ground walking in individuals with Parkinson's disease (PD). Eight individuals with PD (Age: 62.3±8.1 years) volunteered for the study. Full body kinematic data were collected at 120Hz using a Vicon motion capture system. Two visual conditions were used to determine the effects of gaze fixation: FREE gaze and FIXED gaze. During FIXED gaze, participants were required to fixate on a still target 13m ahead...
July 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28709659/in-vivo-hip-joint-loads-and-pedal-forces-during-ergometer-cycling
#9
P Damm, J Dymke, A Bender, G Duda, G Bergmann
The rising prevalence of osteoarthritis and an increase in total hip replacements calls for attention to potential therapeutic activities. Cycling is considered as a low impact exercise for the hip joint and hence recommended. However, there are limited data about hip joint loading to support this claim. The aim of this study was to measure synchronously the in vivo hip joint loads and pedal forces during cycling. The in vivo hip joint loads were measured in 5 patients with instrumented hip implants. Data were collected at several combinations of power and cadence, at two saddle heights...
July 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28704683/visual-targeting-one-step-before-force-plates-has-no-effect-on-gait-parameters-in-orthopaedic-patients-during-level-walking
#10
Katrin Bracht-Schweizer, Marie Freslier, Sebastian Krapf, Jacqueline Romkes
In clinical gait analysis, it is challenging to acquire usable force plate data for a patient in a limited amount of time. The aim of this study was to compare three measurement protocols, to investigate if any one of them was more time-efficient than the others at collecting kinetic data. Three conditions were compared for 15 orthopaedic patients: 1) approaching the force plate with four steps, 2) approaching the force plate with six steps, and 3) approaching the force plate with four steps while stepping on a target one step before the first force plate...
July 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28701533/treadmill-versus-overground-walking-different-response-to-physical-interaction
#11
Julieth Ochoa, Dagmar Sternad, Neville Hogan
Rehabilitation of human motor function is an issue of growing significance and human-interactive robots offer promising potential to meet the need. For the lower-extremity, however, robot-aided therapy has proven challenging. To inform effective approaches to robotic gait therapy, it is important to better understand unimpaired locomotor control: its sensitivity to different mechanical contexts and its response to perturbations. The present study evaluated the behavior of 14 healthy subjects who walked on a motorized treadmill and overground while wearing an exoskeletal ankle robot...
July 12, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28695362/metabolic-and-kinematic-parameters-during-walking-with-poles-in-parkinson-s-disease
#12
Francesca Nardello, F Bombieri, M Tinazzi, F Schena, B Pellegrini
In healthy people, energy expenditure is generally higher during walking with poles (WP) than during conventional walking (W). In persons with Parkinson's disease (PD), walking is slower and may be associated with greater energy consumption, stride-to-stride variability, and difficulty in regulating stride length. The aim of this study was to determine whether treadmill WP at three different speeds could induce changes in gait kinematics and oxygen consumption in PD patients. The study sample was 20 patients with mild-to-moderate PD and 20 age-matched healthy controls...
July 10, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28692855/recuperation-of-slow-walking-in-de-novo-parkinson-s-disease-is-more-closely-associated-with-increased-cadence-rather-than-with-expanded-stride-length
#13
Kyum-Yil Kwon, Hye Mi Lee, Sung Hoon Kang, Seon Jong Pyo, Han Jun Kim, Seong-Beom Koh
INTRODUCTION: Gait characteristics in the early stages of Parkinson's disease (PD) have been less investigated so far. Moreover, the levodopa effect on gait in early PD remains to be further elucidated. We prospectively designed the study to examine gait dynamics and effect of dopaminergic treatment in patients with de novo PD. METHODS: Spatiotemporal parameters were measured in healthy controls and drug naïve patients with PD, using computerized analysis with GAITRite system during usual gait...
July 1, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28691601/task-specific-and-functional-effects-of-speed-focused-elliptical-or-motor-assisted-cycle-training-in-children-with-bilateral-cerebral-palsy-randomized-clinical-trial
#14
Diane L Damiano, Christopher J Stanley, Laurie Ohlrich, Katharine E Alter
BACKGROUND: Locomotor training using treadmills or robotic devices is commonly utilized to improve gait in cerebral palsy (CP); however, effects are inconsistent and fail to exceed those of equally intense alternatives. Possible limitations of existing devices include fixed nonvariable rhythm and too much limb or body weight assistance. OBJECTIVE: To quantify and compare effectiveness of a motor-assisted cycle and a novel alternative, an elliptical, in CP to improve interlimb reciprocal coordination through intensive speed-focused leg training...
July 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28673611/effects-of-curved-walking-training-on-curved-walking-performance-and-freezing-of-gait-in-individuals-with-parkinson-s-disease-a-randomized-controlled-trial
#15
Fang-Yu Cheng, Yea-Ru Yang, Yih-Ru Wu, Shih-Jung Cheng, Ray-Yau Wang
INTRODUCTION: The purpose of this study was to investigate the effects of curved-walking training (CWT) on curved-walking performance and freezing of gait (FOG) in people with Parkinson's disease (PD). METHODS: Twenty-four PD subjects were recruited and randomly assigned to the CWT group or control exercise (CE) group and received 12 sessions of either CWT with a turning-based treadmill or general exercise training for 30 min followed by 10 min of over-ground walking in each session for 4-6 weeks...
June 28, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28667902/cognitive-motor-interference-in-multiple-sclerosis-what-happens-when-the-gait-speed-is-fixed
#16
Ofir Malcay, Yevgenia Grinberg, Shani Berkowitz, Leora Hershkovitz, Alon Kalron
During the last decade, numerous studies have confirmed a coupling between walking performance and cognition in people with multiple sclerosis (PwMS). Our aim was to provide new insights into a walking-cognitive dual-task (DT) in PwMS. We tested the DT phenomenon by controlling the walking speed using an instrumented treadmill. Thirty PwMS (20 women) with a mean age 40.1 (SD=12.0) participated in the study. Twenty-one healthy subjects served as controls. Each subject completed a sequence of tests: a) Normal walking (ST) - the participant walked on the instrumented treadmill at a comfortable walking speed for 1min; b) Cognitive evaluation (ST) - subjects performed two cognitive tests while seated; c) DT cognitive tests performed while walking on the treadmill at the identical speed performed during normal walking...
June 23, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28659862/usability-of-three-dimensional-augmented-visual-cues-delivered-by-smart-glasses-on-freezing-of-gait-in-parkinson-s-disease
#17
Sabine Janssen, Benjamin Bolte, Jorik Nonnekes, Marian Bittner, Bastiaan R Bloem, Tjitske Heida, Yan Zhao, Richard J A van Wezel
External cueing is a potentially effective strategy to reduce freezing of gait (FOG) in persons with Parkinson's disease (PD). Case reports suggest that three-dimensional (3D) cues might be more effective in reducing FOG than two-dimensional cues. We investigate the usability of 3D augmented reality visual cues delivered by smart glasses in comparison to conventional 3D transverse bars on the floor and auditory cueing via a metronome in reducing FOG and improving gait parameters. In laboratory experiments, 25 persons with PD and FOG performed walking tasks while wearing custom-made smart glasses under five conditions, at the end-of-dose...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28653213/external-input-for-gait-in-people-with-parkinson-s-disease-with-and-without-freezing-of-gait-one-size-does-not-fit-all
#18
Pieter Ginis, Elke Heremans, Alberto Ferrari, Esther M J Bekkers, Colleen G Canning, Alice Nieuwboer
Cueing or feedback provided when gait deviates from a predefined goal (intelligent input) can now be provided with wearable technology for Parkinson's disease (PD). As people with and without freezing of gait (FOG) have distinct cognitive profiles, they may respond differently to various types of input. This study compared the effects of four input modalities during prolonged walking and explored the relationship with cognition, subjective preference, and FOG. Participants (15 with and 13 without FOG) walked 30 min while exposed to continuous cueing; intelligent cueing; intelligent feedback; or no input...
July 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28642466/cognitive-and-motor-dual-task-gait-training-improve-dual-task-gait-performance-after-stroke-a-randomized-controlled-pilot-trial
#19
Yan-Ci Liu, Yea-Ru Yang, Yun-An Tsai, Ray-Yau Wang
This study investigated effects of cognitive and motor dual task gait training on dual task gait performance in stroke. Participants (n = 28) were randomly assigned to cognitive dual task gait training (CDTT), motor dual task gait training (MDTT), or conventional physical therapy (CPT) group. Participants in CDTT or MDTT group practiced the cognitive or motor tasks respectively during walking. Participants in CPT group received strengthening, balance, and gait training. The intervention was 30 min/session, 3 sessions/week for 4 weeks...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632052/motor-unit-firing-frequency-of-lower-limb-muscles-during-an-incremental-slide-board-skating-test
#20
Tatiane Piucco, Rodrigo Bini, Masanori Sakaguchi, Fernando Diefenthaeler, Darren Stefanyshyn
This study investigated how the combination of workload and fatigue affected the frequency components of muscle activation and possible recruitment priority of motor units during skating to exhaustion. Ten male competitive speed skaters performed an incremental maximal test on a slide board. Activation of six muscles from the right leg was recorded throughout the test. A time-frequency analysis was performed to compute overall, high, and low frequency bands from the whole signal at 10, 40, 70, and 90% of total test time...
February 28, 2017: Sports Biomechanics
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