POPLITEUS

Origin

Post shaft of tibia above soleal line and below tibial condyles

Action

Unlocks extended knee by lat rotation of femur on tibia. Pulls back lat meniscus

Insertion

Middle of three facets on lat surface of lat condyle of femur. Tendon passes into capsule of knee to post part of lat meniscus

Nerve

Tibial N (L5,S1)