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Prosthetic gait dev
prosthetic gait deviations transtibial amputation
Question | Answer |
---|---|
excessive knee flexion during stance | socket may be aligned too far forward or tilted anteriorly; PF bumper too hard limiting PF, high heel shoe; knee flexion contracture or weak quads |
inadequate knee flexion during stance | socket may be aligned too far back or tilted post; PF bumper or heel cushion too soft; low heel shoe; anterodistal discomfort, weak quads |
lateral thrust at midstance | foot is inset too much |
medial thrust at midstance | foot is outset too much |
drop off or premature knee flexion in late stance | socket is set too far forward or excessively flexed; DF bumper too soft resulting in excess DF of foot; prosthetic foot keel too short; knee flexion contracture |
delayed knee flexion during late stance | socket set too far back or lacks sufficient flexion; DF bumper too stiff causing excess PF; prosthetic foot keel too long |