The severe seating area places pressure over the hamstring tendon and the sciatic nerve

medial and lateral collateral ligaments

Anterior and posterior cruciate ligaments

cruciate ligaments

when patient brings weight down onto heel, sole of foot should rest roughly 12mm above the ground

collateral ligaments

CAT- CAM

contoured adducted trochanteric controlled alignment method

1) To position hip extensors in optimal position to voluntary control knee. 2) To keep the IT on the seat and prevent hip extensors from pushing it anterior. 3) To allow the socket to reach a posteriorly inclined position and allow near normal step length etc.

pelvis will tilt anteriorly and lumber lordosis will occur

Total elastic suspension

hydrostatic

TES, Roehampton soft suspension belt, Silesian belt, RPB (rigid pelvic band), SDRPB (Semi- double rigid pelvic band), DSPB (Double swivel pelvic band)

65%

5cm