Lower leg Flashcards
Gastrocnemius attachments
Medial and lateral epicondyle of femur and calcaneus via achilles tendon
Gastrocnemius movements
Plantar flexion of ankle.
Flexion of knee
Gastrocnemius nerve supply
Tibial nerve (S1, S2)
Gastrocnemius
Resist plantar flexion with leg straight.
Soleus attachments
Posterior tibia and filbula and calcaneus via achilles tendon
Soleus movements
Plantar flexion
Soleus nerve supply
Tibial nerve (S1, S2)
Soleus
Resist plantar flexion with knee bent.
Tibialis anterior attachments
Later condyle and lateral shaft of tibia, interosseous membrane. Base of first metatarsal and first medial cuneiform.
Tibialis anterior movements
Dorsiflexion of ankle and inversion of the foot
Tibialis anterior nerve supply
The deep fibular (peroneal) nerve (L4, L5)
Tibialis anterior
Resist doriflexion superior to big toe.
Tibialis posterior attachments
Posterior tibia, fibula, navicular and metatarsals on plantar surface.
Tibialis posterior movements
Plantar flexion and inversion.
Tibialis posterior nerve supply
Tibial nerve L4,L5
Tibialis posterior
Leg straight and foot turned in resist plantar flexion and inversion from ball of foot.
Peroneus tertius attachments
Anterior distal fibula and base of 5th metatarsal
Peroneus tertius movements
Eversion of foot with dorsiflexion
Peroneus tertius nerve supply
Deep fibular nerve (L5, S1)
Peroneus tertius
Resist eversion from dorsiflexed position
Peroneus longus and brevis attachments
Longus - Head of upper lateral shaft of fibula, base of first metatarsal and first cuniform.
Peroneus longus and brevis movements
Eversion of the foot in a plantar flexed position.
Peroneus longus and brevis nerve supply
Superficial fibular nerve (L5, S1)
Peroneus longus and brevis
Resist eversion from plantar flexed position
