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Posterior Crural
Posterior Crural Muscles
| Muscle Name | Origin | Insertion | Function |
|---|---|---|---|
| Flexor hallucis longus | distal 2/3 of fibula | plantar surface of hallux | plantar flexion, hallux flexion |
| Popliteus | lateral aspect of the lateral femoral condyle | distal to the medial tibial condyle | medial rotation of tibia. helps unlock the knee when you begin flexion |
| Tibialis Posterior | posterior tibia and fibula | wraps around medial malleolus, planter surface of the medial tarsals | plantar flexion, inversion, maintains arch of foot |
| Flexor digitorum longus | posterior tibia | muscle will quadraficate and attach to digits 2-5 on plantar surface | plantar flexion, digit extension |