Muscles of posterior leg
superficial
innervation: tibial nerve
| Muscle | Action |
|---|---|
| Gastrocnemius | Foot plantarflexion Knee flexion |
| Plantaris | Foot plantarflexion Knee flexion (NB absent in 10% of population!) |
| Soleus | Foot plantarflexion |
deep
innervation: tibial nerve
| Muscle | Action |
|---|---|
| Popliteus | Stabilises knee joint |
| flexor hallucis longus | flexion of great toe |
| flexor digitorum longus | flexion of lateral 4 toes |
| tibialis posterior | foot inversion foot plantarflexion support of medial arch |