Front

What happens during hip flexion in open kinetic chain (OKC)?

Back

The femoral head rolls posterior and slides anterior.

Front

What movement is associated with pelvic retroversion in CKC?

Back

Hip extension

Front

What is the main plane and axis of hip abduction?

Back

Frontal, anteroposterior axis

Front

During adduction in OKC, how does the femoral head move?

Back

Rolls inferior and slides superior

Front

What muscle is the main external rotator of the hip?

Back

Piriformis

Front

What combination of movements defines the open-packed position of the hip?

Back

Flexion, abduction, external rotation

Front

During open kinetic chain (OKC) extension, how does the tibia move over the femur?

Back

Roll and anterior slide

Front

What happens at the knee during flexion in CKC?

Back

The femur rolls posterior and slides anterior.

Front

What mechanism allows the final locking of the knee in extension?

Back

External tibial rotation

Front

Which muscle unlocks the knee when starting to flex from full extension?

Back

Popliteus