Stair ascent kinematics and kinetics with a powered lower leg system following transtibial amputation

Highlights ► Eleven individuals with unilateral transtibial amputation were assessed using conventional and powered prostheses. ► We determined if increasing ankle power normalized lower limb kinematics and kinetics during stair ascent. ► The powered device demonstrated greater ankle power generatio...

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Bibliographic Details
Published in:Gait & posture 2012-06, Vol.36 (2), p.291-295
Main Authors: Aldridge, Jennifer M, Sturdy, Jordan T, Wilken, Jason M
Format: Article
Language:English
Subjects:
Adult
Amputee
Amputees
Ankle Joint - physiology
Ankles
Artificial Limbs
Biomechanical Phenomena
Biomechanics
Bionics
Female
Hip Joint - physiology
Humans
Kinetics
Knee Joint - physiology
Leg
Male
Orthopedics
Powered prosthesis
Range of Motion, Articular
Stair ascent
Transtibial
Walking - physiology
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Summary:Highlights ► Eleven individuals with unilateral transtibial amputation were assessed using conventional and powered prostheses. ► We determined if increasing ankle power normalized lower limb kinematics and kinetics during stair ascent. ► The powered device demonstrated greater ankle power generation and plantarflexion during stair ascent. ► Deviations from normal stair ascent gait persisted at the hip and knee despite changes in ankle kinematics and kinetics. ► Additional device specific training may be necessary to utilize the full benefits of a powered device.
ISSN:0966-6362
1879-2219
DOI:10.1016/j.gaitpost.2012.03.013