Soleus MuscleThe structure indicated is the soleus muscle of the leg. The soleus is a muscle of the posterior compartment of the leg.The muscles in the posterior compartment of the leg are separated into a superficial group and a deep group. The superficial group consists of the following leg muscles:
- Flexor hallucis longus
- Flexor digitorum longus
- Tibialis posterior
Origin: Soleal line and middle third of posterior border of tibia, and upper quarter of posterior shaft of fibula
Insertion: Via calcaneal tendon to posterior surface of calcaneus
Action: Plantarflexes foot at ankle joint, flexion of knee
Innervation: Tibial nerveLearn more about the anatomy of the leg muscles in this video tutorial.