OIA 59-73 Flashcards
Tibialis Anterior Insertion
Base of 1st metatarsal and medial cuneiform.
Tibialis anterior action
Dorsiflex and invert foot
Gastrocnemius origin
Femoral condyles
Gastrocnemius insertion
Calcaneus via calcaneal (Achilles) tendon.
Gastrocnemius action
Flexes knee, plantar flexes
Soleus origin
Head and proximal fibula, posteromedial tibia
Soleus insertion
Calcaneous via calcaneal (Achilles) tendon
Soleus action
Plantar flexes
Tibialis posterior origin
Proximal tibia and fibula, intererosseous membrane
Tibialis posterior insertion
Navicular (tarsals and metatarsals 2-4)
Tibialis posterior action
Plantar flexes and inverts
Tibialis Anterior Origin
Lateral condyle and proximal shaft of tibia.
Peroneus Brevis origin
Midlateral margin of fibula
Peroneus Brevis insertion
Base of metatarsal 5
Peroneus Brevis action
Everts and plantar flexes foot
Peroneus longus origin
Lateral condyle of tibia, head of proximal fibula