Read by QxMD icon Read

Gait analysis

Laura Wallard, Sophie Boulet, Olivier Cornu, Jean-Emile Dubuc, Philippe Mahaudens, Didier Postlethwaite, Maïté Van Cauter, Christine Detrembleur
BACKGROUND: The gait mechanism requires an efficient intersegmental coordination in order to ensure the displacement of the body while simultaneously maintaining the postural stability. However, intersegmental coordination may be disrupted by neurological or orthopaedic involvement, this increasing the metabolic cost associated with excessive or prolonged muscle co-contraction. RESEARCH QUESTION: Our aim was to evaluate and to understand how hip OA affects lower limbs coordination during gait by using the kinematic segmental covariation law method and predict the energy expenditure...
March 7, 2018: Gait & Posture
Corina Nüesch, Jan-Arie Overberg, Hermann Schwameder, Geert Pagenstert, Annegret Mündermann
BACKGROUND: Instrumented treadmills with integrated pressure mats measure spatiotemporal, pressure and force parameters and are often used to investigate changes in gait patterns due to injury or rehabilitation. RESEARCH QUESTION: What is the within- and between-day repeatability of such an instrumented treadmill for spatiotemporal parameters, peak pressures and forces during walking and running? METHODS: Treadmill gait and running analysis were performed at 5...
March 7, 2018: Gait & Posture
Tatsuya Soeno, Tomoharu Mochizuki, Osamu Tanifuji, Hiroshi Koga, Takayuki Murayama, Hiroki Hijikata, Yuki Takahashi, Naoto Endo
INTRODUCTION: Instability after total knee arthroplasty is a critical problem. The purpose of this study was to clarify the stability of implanted knees during walking by comparing differences in dynamic instability during knee acceleration between individuals with or without previously experienced subjective instability, as measured by self-reported questionnaire. MATERIALS AND METHODS: We examined 92 knees with medial pivot implants. Mean patient age and follow-up duration were 78...
2018: PloS One
Ruwei Ou, Qianqian Wei, Bei Cao, Wei Song, Yanbing Hou, Hui Liu, Xiaoqin Yuan, Bi Zhao, Ying Wu, Huifang Shang
Objective: To explore the clinical predictors of freezing of gait (FOG) in Chinese patients with Parkinson's disease (PD). Methods: This study included 225 patients with PD who completed a three-year follow-up visit. The end-point was the presence of FOG (freezers), which was assessed during the follow-up visit. Group comparisons were conducted, followed by a further forward binary logistic regression analysis. Results: Eighty-five patients with PD (38%) had developed FOG at the end of study...
March 2018: Brain and Behavior
Jiayue Cai, Soojin Lee, Fang Ba, Saurabh Garg, Laura J Kim, Aiping Liu, Diana Kim, Z Jane Wang, Martin J McKeown
Falls and balance difficulties remain a major source of morbidity in Parkinson's Disease (PD) and are stubbornly resistant to therapeutic interventions. The mechanisms of gait impairment in PD are incompletely understood but may involve changes in the Pedunculopontine Nucleus (PPN) and its associated connections. We utilized fMRI to explore the modulation of PPN connectivity by Galvanic Vestibular Stimulation (GVS) in healthy controls ( n = 12) and PD subjects even without overt evidence of Freezing of Gait (FOG) while on medication ( n = 23)...
2018: Frontiers in Neuroscience
Fabio Giardina, Fumiya Iida
Locomotion of machines and robots operating in rough terrain is strongly influenced by the mechanics of the ground-machine interactions. A rolling wheel in terrain with obstacles is subject to collisional energy losses, which is governed by mechanics comparable to hopping or walking locomotion. Here we investigate the energetic cost associated with overcoming an obstacle for rolling and hopping locomotion, using a simple mechanics model. The model considers collision-based interactions with the ground and the obstacle, without frictional losses, and we quantify, analyse, and compare the sources of energetic costs for three locomotion strategies...
2018: PloS One
Felix Stief, André Schmidt, Stefan van Drongelen, Katharina Lenarz, Dara Froemel, Timur Tarhan, Frederick Lutz, Andrea Meurer
A total hip replacement (THR) is a common and routine procedure to reduce pain and restore normal activity. Gait analysis can provide insights into functional characteristics and dynamic joint loading situation not identifiable by clinical examination or static radiographic measures. The present prospective longitudinal study tested whether two years after surgery a THR would restore dynamic loading of the knee and hip joints in the frontal plane to normal. Instrumented gait analysis was performed shortly before surgery and approximately two years after THR on 15 unilateral hip osteoarthritis patients...
March 14, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
R J Cong, J F Liu, Y Jiang, Duolikun Dilixiati, X D Hou, L P Zheng
Objective: To explore the influence of the lower extremity abnormal alignment and the joint surface, and to explore the surgical skills. Methods: Twenty-two cases of tibial plateau Schatzker Ⅵ fracture internal fixation failure revision from January 2012 to January 2017 in Department of Orthopedics, Shanghai 10(th) Hospital.One year follow-up after initial surgery to make sure of failure.Three-dimensional CT scan, radiography, infection index, gait analysis, knee joint ROM, femur tibia angle, tibial plateau tibial shaft angle and posterior slope if tibial plateau were observed...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Carla Appelgrein, Mark R Glyde, Giselle Hosgood, Alasdair R Dempsey, Sarah Wickham
OBJECTIVE:  This article aims to investigate the effect of a decrease in the A-frame angle of incline on the highest carpal extension angle in agility dogs. METHODS:  Kinematic gait analysis (two-dimensional) measuring carpal extension was performed on 40 dogs entering the A-frame at 3 angles of incline: 40° (standard), 35° and 30°. The highest carpal extension angle from three trials at each incline was examined for a significant effect of A-frame angle with height, body weight and velocity included as covariates...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
Stephan Bosch, Filipe Serra Bragança, Mihai Marin-Perianu, Raluca Marin-Perianu, Berend Jan van der Zwaag, John Voskamp, Willem Back, René van Weeren, Paul Havinga
In this paper, we describe and validate the EquiMoves system, which aims to support equine veterinarians in assessing lameness and gait performance in horses. The system works by capturing horse motion from up to eight synchronized wireless inertial measurement units. It can be used in various equine gait modes, and analyzes both upper-body and limb movements. The validation against an optical motion capture system is based on a Bland-Altman analysis that illustrates the agreement between the two systems. The sagittal kinematic results (protraction, retraction, and sagittal range of motion) show limits of agreement of ± 2...
March 13, 2018: Sensors
Se Dong Min, Changwon Wang, Doo-Soon Park, Jong Hyuk Park
Gait is not only one of the most important functions and activities in daily life but is also a parameter to monitor one's health status. We propose a single channel capacitive proximity pressure sensor (TCPS) and gait monitoring system for smart healthcare. Insole-type TCPS (270 mm in length) was designed consisting of three layers including two shield layers and a sensor layer. Analyzing the step count and stride time are the basic indicators in gait analysis, thus they were selected as evaluation indicators...
March 12, 2018: Journal of Medical Systems
Saskia Koene, Niki M Stolwijk, Rob Ramakers, Maaike de Vries, Lonneke de Boer, Mirian C H Janssen, Imelda de Groot, Jan Smeitink
Mitochondrial disorders are multisystem conditions that can potentially affect gait in many ways. The aim of this study was to select the optimal protocol to quantify the spatiotemporal parameters of gait in ambulatory children with mitochondrial disorders based on feasibility, test-retest reliability, and the difference between patients and controls. Gait at self-selected pace was quantified in ambulatory children with a genetically confirmed primary mitochondrial disease using the GAITRite electronic walkway...
March 12, 2018: Journal of Inherited Metabolic Disease
Eleftheria Giannouli, Otmar Bock, Wiebren Zijlstra
Increasing evidence indicates that mobility depends on cognitive resources, but the exact relationships between various cognitive functions and different mobility parameters still need to be investigated. This study examines the hypothesis that cognitive functioning is more closely related to real-life mobility performance than to mobility capacity as measured with standardized laboratory tests. The final sample used for analysis consisted of 66 older adults (72.3 ± 5.6 years). Cognition was assessed by measures of planning (HOTAP test), spatial working memory (Grid-Span test) and visuospatial attention (Attention Window test)...
March 2018: European Journal of Ageing
Saud Alsahli, Muhammad Talal Alrifai, Saeed Al Tala, Fuad Al Mutairi, Majid Alfadhel
Background: Cerebellar ataxia, mental retardation, and disequilibrium syndrome (CAMRQ) is a heterogeneous group of genetic disorders that have been grouped by shared clinical features; all of these features are transmitted via an autosomal recessive mechanism. Four variants of this syndrome have been identified so far, and each one differs in terms of both clinical and genotypical features. CAMRQ4 is a rare genetic disorder characterized by mental retardation, ataxia or an inability to walk, dysarthria and, in some patients, quadrupedal gait...
2018: Journal of Central Nervous System Disease
Julia M Leach, Sabato Mellone, Pierpaolo Palumbo, Stefania Bandinelli, Lorenzo Chiari
Although turning has been reported as one of the leading activities performed during a fall, and falls during turning result in 8-times more hip fractures than falls during linear gait, the quantity and quality of turns resulting in falls remain unknown since turns are rarely assessed during activities of daily living. 160 community-dwelling older adults were monitored for one week using smartphone technology. Turn measures and activity rates were quantified. Fall incidence within 12 months from continuous monitoring defined fall status, with 7/153 prospective fallers/non-fallers...
March 12, 2018: Scientific Reports
Selena Tinga, Stanley E Kim, Scott A Banks, Stephen C Jones, Brian H Park, Antonio Pozzi, Daniel D Lewis
BACKGROUND: Cranial cruciate ligament (CrCL) insufficiency is a degenerative condition that is a common cause of pelvic limb lameness and osteoarthritis in dogs. Surgical therapies developed to treat dogs with naturally occurring CrCL insufficiency aim to address the resultant instability, but the in-vivo alterations in stifle kinematics associated with CrCL insufficiency have not been accurately defined. The objective of this study was to quantify the 3-dimensional femorotibial joint kinematics of dogs with naturally occurring cranial cruciate ligament (CrCL) insufficiency during ambulation...
March 12, 2018: BMC Veterinary Research
Maryam Maleki, Samaneh Badri, Hamed Shayestehepour, Mokhtar Arazpour, Farzam Farahmand, Mohamad Ebrahim Mousavi, Ehsan Abdolahi, Hasan Farkhondeh, John S Head, Navid Golchin, Mohammad Ali Mardani
BACKGROUND: The aim of this study was to assess the performance of an original powered foot clearance creator (PFCC) mechanism worn in conjunction with an isocentric reciprocal gait orthosis (IRGO) and evaluate its effect on trunk compensatory movements and spatiotemporal parameters in nine healthy subjects. METHOD: A PFCC motorized mechanism was designed that incorporated twin sole plates, the movements of which enabled increased toe to floor clearance during swing phase...
March 12, 2018: Disability and Rehabilitation. Assistive Technology
Megan Knox, Aimee Stewart, Carol L Richards
OBJECTIVE: To evaluate a minimal dose intervention of six 1-hour sessions of task-oriented circuit gait training including a caregiver over a 12-week period to persons post stroke in the South African public health sector. DESIGN: Stratified, single blinded, randomized controlled trial with three intervention groups. PARTICIPANTS: Persons post stroke ( n = 144, mean age 50 years, 72 women), mean 9.5 weeks post stroke. INTERVENTIONS: Task group ( n = 51)-accompanied by a caregiver; task-oriented circuit gait training (to improve strength, balance, and task performance while standing and walking)...
March 1, 2018: Clinical Rehabilitation
Stephen Yu, John Dundon, Olga Solovyova, Joseph Bosco, Richard Iorio
BACKGROUND: TKA pain management protocols vary widely with no current consensus on a standardized pain management regimen. Multimodal TKA pain management protocols aim to address pain control, facilitate functional recovery, and maintain patient satisfaction. QUESTIONS/PURPOSES: (1) Did changes to our pain management protocol, specifically adding liposomal bupivacaine, eliminating patient-controlled analgesia (PCA), and discontinuing femoral nerve blocks (FNBs), affect narcotic consumption after TKA? (2) Did these changes to our pain management protocols affect patient-reported pain scores? (3) Does the use of an immediate postoperative PCA affect rapid rehabilitation and functional recovery? (4) How did changes to our pain management regimen affect discharge disposition and pain-related Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) scores? METHODS: We retrospectively analyzed an institutional arthroplasty database between September 2013 and September 2015 containing 1808 patients who underwent primary TKA...
January 2018: Clinical Orthopaedics and related Research
Agnieszka Guzik, Mariusz Drużbicki, Grzegorz Przysada, Agnieszka Brzozowska-Magoń, Andżelina Wolan-Nieroda, Andrzej Kwolek
BACKGROUND: There are few reports in the literature investigating the relationship between observational gait scales used to assess individuals after a stroke and objective data acquired from 3-dimensional gait analysis (3DGA). RESEARCH QUESTION: The objective of this study was to compare the relationship between the specific items of the Wisconsin Gait Scale (WGS) and the matching 3-dimensional (3D) spatiotemporal and kinematic gait parameters in individuals after a stroke...
March 5, 2018: Gait & Posture
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"