Muscles of the Ankle, Foot and Toes Anterior and Posterior View

Question 1

what is the origin, insertion, action, and innervation of tibialis anterior?

Answer 1

origin: upper lateral surface of the tibia
insertion: medial cuneiform and base of the first metatarsal
action: dorsiflex and invert the foot at the ankle joint
innervation: deep peroneal nerve

Question 2

what is the origin, insertion, action, and innervation of fubularis (peroneus) Longus

Answer 2

origin: upper fibula
insertion: Medial cuneiform and First Metatarsal
action: evert foot at the ankle joint
innervation: superficial peroneal nerve

Question 3

what is the origin, insertion, action, and innervation of extensor digitorum longus

Answer 3

origin: lateral condyle of the Tibia, Upper fibula
insertion: bases of the middle and distal phalanges of toes 2-5
action: extension of digits 2-5
innervation: deep pernoneal nerve

Question 4

what is the origin, insertion, action, and innervation of extensor hallucis longus

Answer 4

origin: middle surface of the Fibula
insertion: distal phalanx of digit #1 or big toe
action: extend the hallux or big toe
innervation: deep peroneal nerve

Question 5

what is the origin, insertion, action and innveration of Gastrocnemuus?

Answer 5

origin: Medial and Lateral condyles of the Femur

Insertion: calcaneus

action: plantar flexion of the foot at the ankle joint
innervation: tibial nerve

Question 6

what is the origin, insertion, action and innervation of the soleus?

Answer 6

origin: upper tibia and upper fibula
insertion: calcaneus
action: plantar fleion of the foot at the ankle joint
innervation: tibial nerve

Question 7

what is the origin, insertion, action and innvervation of plantaris

Answer 7

origin: above the lateral condyle of the femur (later apicondyle)
insertion: calcaneus
action: plantar flexion of the foot at the ankle joint
innervation: tibial nerve