The relative contributions of the prosthetic and sound limb to balance control in unilateral transtibial amputees

Highlights ► We compared the contribution of the hip and ankle joints to balance control following waist-pull perturbations. ► Perturbations in backward/forward direction are recovered mainly by the ankle strategy. ► Amputees compensate for the absence of active ankle control in the prosthetic limb...

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Bibliographic Details
Published in:Gait & posture 2012-06, Vol.36 (2), p.276-281
Main Authors: Curtze, Carolin, Hof, At L, Postema, Klaas, Otten, Bert
Format: Article
Language:English
Subjects:
Accidental Falls
Amputee
Amputees
Ankle
Ankle Joint - physiology
Artificial Limbs
Balance
Biomechanical Phenomena
Hip
Hip Joint - physiopathology
Humans
Joint moment integral
Knee Joint - physiology
Leg
Male
Middle Aged
Moment
Orthopedics
Perturbation
Postural Balance - physiology
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Summary:Highlights ► We compared the contribution of the hip and ankle joints to balance control following waist-pull perturbations. ► Perturbations in backward/forward direction are recovered mainly by the ankle strategy. ► Amputees compensate for the absence of active ankle control in the prosthetic limb by increasing the ankle moment in the sound limb. ► The passive properties of the prosthetic foot contribute to balance control. ► Amputees and controls resist perturbations in medio-lateral direction by generating the necessary hip moments.
ISSN:0966-6362
1879-2219
DOI:10.1016/j.gaitpost.2012.03.010