Leg Flashcards
Gastrocnemius
O: Medial and Lateral Epicondyles on Posterior Femur
I: Calcaneus via Calcaneal Tendon (Achilles Tendon)
Action: Knee Flexion, Plantarflexion
Nerve: Tibial Nerve
Synergist: Hams, Soleus
Antagonist: Rectus Femoris, Tibialis Anterior
Peroneus Longus
O: Head of Fibula, Proximal Shaft of Fibula
I: Base of 1st Metatarsal, Cuneiform I
Action: Plantarflexion, Eversion/Pronation of Foot
Nerve: Superficial Peroneal Nerve
Synergist: Peroneus Brevis
Antagonist: Tibialis Anterior
Plantaris
O: Lateral Supracondylar Ridge of Femur
I: Calcaneus
Action: Knee Flexion, Plantarflexion
Nerve: Tibial Nerve
Synergist: Gastrocnemius
Antagonist: Tibialis Anterior
Soleus
O: Soleal Line, Head of Fibula
I: Calcaneus
Action: Plantarflexion
Nerve: Tibial Nerve
Synergist: Gastrocnemius
Antagonist: Tibialis Anterior
Tibialis Anterior
O: Lateral Proximal Shaft of Tibia
I: Base of 1st Metatarsal, Cuneiform I
Action: Dorsiflexion, Inversion/Supination of Foot
Nerve: Deep Peroneal Nerve
Synergist: Extensor Digitorum Longus, Tibialis Posterior
Antagonist: Peroneus Longus
Tibialis Posterior
O: Posterior Proximal Shaft of Tibia and Fibula
I: Navicular, Cuneiform I, Metatarsals 2-4
Action: Foot Inversion, Plantarflexion
Nerve: Tibial Nerve
Synergist: Tibialis Anterior, Gastrocnemius
Antagonist: Peroneus Longus, Extensor Digitorum Longus