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Midstance
Terminal Stance
Pre/Initial/Mid/Term Swing
100

Causes excessive knee flexion / knee instability (TT)

What is hip flexion contracture, hip extension weakness?

100

Causes genu varus moment at knee (lateral thrust) (TT)

What is coxa valga at hip?

100

Causes increased lumbar lordosis (IC through preswing) (TT)

What is hip flexion contracture, hip extension / abdominal weakness?

200

Causes excessive knee extension / hyperextension (TT)

What is hip extensor weakness / timing?

200

Causes genu valgus moment (medial thrust) (TT)

What is coxa vara at hip, medial residual limb pain?
200

Causes circumduction (TF)

What is hip abduction contracture?

300

Causes lateral trunk lean toward prosthetic side (TT or TF)

What is hip abductor weakness / timing, abduction contracture, pain in hip on prosthetic side, very short transfemoral residual limb?

300

Occurs midstance to preswing "drop off" (TT)

What is hip flexion contracture, weak hip extensors?

300

Causes anterior trunk tilt (TT or TF)

What is hip flexion contracture, hip extension weakness?

400

Causes excessive knee flexion / instability (TT)

What is quad weakness / knee flexion contracture / anterior distal residual limb pain?

400

Decreased weightbearing through prosthesis (TT)

What is residual limb pain / hypersensitivity, weakness of residual limb?

500

Causes excessive knee extension (TT)

What is quad weakness / decreased timing / cruciate ligament insufficiency? 

500
Causes anterior trunk lean (TT or TF)

What is knee extensor weakness / timing?

500

Occurs midstance to preswing "drop off" (TT)

What is knee flexion contracture, anterior/distal pain?

500

Causes delayed prosthetic knee flexion (TF)

What is lacks strength / timing for anterior pelvic rotation to offload prosthesis, lacks hip flexion strength / timing to swing prosthesis?

500

Causes hip hike (TF)

What is weak hip flexors?