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Handrail position and shape that best facilitate sit-to-stand movement


Journal of Back and Musculoskeletal Rehabilitation 25(1): 33-45
Handrail position and shape that best facilitate sit-to-stand movement
Sit-to-stand (STS) movement is an important part of the overall pattern of walking and affects social independence. We examined the kinematics of STS movement using two adjustable handrails. Seventy-five subjects (25 college students, 25 independent elderly people, and 25 physically challenged elderly people) participated in the study. Five types of handrail positions ('no handrails', 'both high', 'both low', 'high and low' and 'reverse high and low') were evaluated. Kinematic data were collected using a VICON analyzer and a Myosystem was used to collect the electromyographic data. STS movements with high and low handrails in the elderly subjects took the shortest time and showed the largest decrease in torque (15%) compared to no handrails. The 'high and low' position also reduced the loads to the greatest extent. The average time period for STS was reduced by 15 to 30% using the high and low handrails compared to no handrail for all three groups. The `high and low' handrail position best facilitates STS movement in the elderly by reducing the time needed to perform STS movements and by reducing the torque and subsequent wear on the joints and muscles.


Accession: 053476931

PMID: 22398265

DOI: 10.3233/BMR-2012-0308



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