NDLI: Comparison of knee gait kinematics of workers exposed to knee straining posture to those of non-knee straining workers.

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Comparison of knee gait kinematics of workers exposed to knee straining posture to those of non-knee straining workers.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Gaudreault, Nathaly Hagemeister, Nicola Poitras, Stéphane de Guise, Jacques A.
Description	Country affiliation: Canada Author Affiliation: Gaudreault N ( School of rehabilitation, University of Sherbrooke, Sherbrooke, Canada. nathaly.gaudreault@usherbrooke.ca)
Abstract	Workers exposed to knee straining postures, such as kneeling and squatting, may present modifications in knee gait kinematics that can make them vulnerable to osteoarthritis. In this study, knee kinematics of workers exposed to occupational knee straining postures (KS workers) were compared to those of non-knee straining (non-KS) workers. Eighteen KS workers and 20 non-KS workers participated in the study. Three-dimensional gait kinematic data were recorded at the knee using an electromagnetic motion tracking system. The following parameters were extracted from flexion/extension, adduction/abduction and internal/external rotation angle data and used for group comparisons: knee angle at initial foot contact, peak angles, minimal angles and angle range during the entire gait cycle. Group comparisons were performed with Student t-tests. In the sagittal plane, KS workers had a greater knee flexion angle at initial foot contact, a lower peak knee flexion angle during the swing phase and a lower angle range than non-KS workers (p<0.05). In the frontal plane, all parameters indicated that KS workers had their knees more adducted than non-KS workers. External/internal rotation range was greater for KS workers. This study provides new knowledge on work related to KS postures and knee kinematics. The results support the concept that KS workers might exhibit knee kinematics that are different from those of non-KS workers.
File Format	HTM / HTML
ISSN	09666362
Issue Number	2
Volume Number	38
e-ISSN	18792219
Journal	Gait & Posture
Language	English
Publisher	Elsevier
Publisher Date	2013-06-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Orthopedics Occupational Diseases Comparative Study Gait Humans Middle Aged Risk Factors Stress, Physiological Male Journal Article Physiopathology Posture Range Of Motion, Articular Biomechanical Phenomena Knee Joint Osteoarthritis, Knee Adult Female Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Rehabilitation Biophysics Sports Science

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