Soleus Muscle

Soleus is a large large muscle, deep to Gastrocnemius. Together the Gastrocnemius, Soleus and Plantaris are known as Triceps Surae. Soleus is used constantly in standing to maintain an upright position.

Origin : Upper half of the posterior surface of the tibia, along the soleal line.
Upper third of the posterior fibula.

Insertion : Posterior surface of the calcaneus via the achilles tendon.

Actions : Plantar flexion.

Innervation : Tibial nerve.

Daily uses : Standing upright.

Example strengthening exercises : Seated calf raises.  

Example stretches : Soleus stretch.  

Related injuries : Calf strain.

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