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Partial weight-bearing gait using conventional assistive devices
YOUDAS JW; KOTAJARVI BJ; PADGETT D
ARCH PHYS MED REHABIL , 2005, vol. 86, n° 3, p. 394-398 Doc n°: 117439 Localisation : Documentation IRR Descripteurs : DF22 - EXPLORATION EXAMENS BILANS - MARCHE, KF32 - AMBULATION - AIDES TECHNIQUES
Article consultable sur : http://www.archives-pmr.org
Objective: To determine if subjects can offload the right lower extremity to a targeted amount of weight bearing using assistive devices. Design: Case series. Setting: Motion analysis laboratory. Participants: Ten healthy subjects (5 men, 5 women) without lower-extremity injury and minimal experience using ambulatory aids. Interventions: Before data collection subjects were trained by a physical therapist to offload the right lower extremity by 50% by using an assistive device and a bathroom scale for feedback on weight reduction. Main Outcome Measures: Vertical ground reaction force was measured by using forceplates while subjects walked at a self-selected speed by using a 3-point partial weight-bearing (PWB) gait pattern with axillary crutches, forearm crutches, and wheeled walker. We also measured vertical ground reaction force by using a single-point cane. Results: Each gait aid significantly reduced the right lower-extremity peak vertical ground reaction force. Participants were able to achieve the target of approximately 50% weight reduction with the axillary (50% reduction) and forearm (56% reduction) crutches. The wheeled walker resulted in a peak vertical load of 64% of body weight, which was in excess of the target load. A single-point cane produced a peak vertical load of 76% of body weight. Conclusions: By using a bathroom scale, healthy subjects could be trained to achieve a target goal of 50% PWB with axillary and forearm crutches. A wheeled walker resulted in weight bearing greater than the target of 50% of body weight. Subjects were able to offload the right lower extremity by about 25% of body weight by using a single-point cane. (C) 2005 by American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation. Langue : ANGLAIS |
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