BK Gait Deviations Flashcards
Knee full extended at IC
Faulty suspension
Insufficient socket flexion
Foot anterior
Knee flexed more than 10° at IC
Faulty suspension
Flexion contracture
Abrupt / uncontrolled knee flexion in LR
Weak quads Foot too posterior Excessive socket flexion / foot DF Higher heel height PF bumper or shoe too firm
Knee extended or rides heel in LR
Foot too anterior Excessive socket extension / foot PF Heel height lower PF bumper or shoe heel too soft Excessive extensor activity (poor gait pattern)
Pistoning in LR
Loose socket
Faulty suspension
Insufficient modified support
Medial leaning pylon in MS
Excessive socket adduction
Foot too outset
Lateral leaning pylon in MS
Excessive socket abduction
Foot too inset
Excessive varus thrust in MS
> 1/2” lateral movement
Foot too inset
Socket ML too wide
Insufficient varus thrust in MS
Foot too outset
Narrow base of support ( <2” between center of heels in MS
Foot too inset
Wide base of support (>4” between center of heels) in MS
Foot too outset
Lateral trunk lean in MS
Short or long prosthesis
Pain
Foot too outset
Early heel off (“drop off”) in TS and PreSw
Toe lever too short / foot too posterior
Excessive socket flexion / foot DF
Delayed heel off (“walking uphill”) or knee hyperextends in TS and PreSw
Toe lever too long / foot too anterior
Excessive socket extension / foot PF
Pistoning in TS and PreSw
Loose socket suspension
Volume change or SC or SCSP insufficient mods
