Muscle | Origin | Insertion | Action |
Soleus | Posterior surface of head and upper shaft of the fibula Soleal line of the tibia | Calcaneus via the calcaneal (Achilles) tendon | Plantar flexes the foot |
Muscle | Origin | Insertion | Action |
Gastrocnemius | Medial head: above the medial femoral condyleLateral head: above the lateral femoral condyle | Calcaneus via the calcaneal (Achilles’) tendon | Flexes leg Plantar flexes foot |
Muscle | Origin | Insertion | Action |
Tibialis Anterior | Lateral tibial condyle Upper lateral surface of the tibia | Medial surface of the medial cuneiform 1st metatarsal | Dorsiflexes Inverts the foot |
Muscle | Origin | Insertion | Action |
Tibialis Posterior | Interosseous membrane, posteromedial surface of the fibula, posterolateral surface of the tibia | Tuberosity of the navicular Medial cuneiform Metatarsals 2-4 | Plantar flexes the foot Inverts the foot |
Muscle | Origin | Insertion | Action |
Peroneus | Upper two/thirds of the lateral surface of the fibula | Medial cuneiform Base of the 1st metatarsal bone | Extends (plantar flexes) Everts the foot |