POPLITEUS
| ORIGIN Posterior shaft of tibia above soleal line and below tibial condyles |
 |
| INSERTION Middle of three facets on lateral surface of lateral condyle of femur. Tendon passes into capsule of knee to posterior part of lateral meniscus |
|
| ACTION Unlocks extended knee by lateral rotation of femur on tibia. Pulls back lateral meniscus |
|
| NERVE Tibial nerve (L5,S1) |