GASTROCNEMIUS

• Origin

Femur (medial and lateral condyles)

• Insertion

Calcaneus (via the Achilles tendon)

• Agonist(s)

- Soleus

- Plantaris

• Antagonist(s)

- Tibialis anterior

- Extensor digitorum longus

• Function

Plantarflexion of the foot (pointing toes downward), assists in knee flexion