Foot and Ankle Origin/Insertion

Question 1

Gastrocnemius

Answer 1

medial head: posterior surface of the medial femoral condyle
lateral head: posterior surface of the lateral femoral condyle

posterior surface of the calcaneus (achilles tendon)

Question 2

soleus

Answer 2

posterior surface of the proximal fibula and proximal 2/3 of the posterior tibial surface

posterior surface of the calcaneus (achilles tendon)

Question 3

tibialis posterior

Answer 3

posterior surface of the upper 1/2 of the interosseus membrane and the adjacent surfaces of the tibia and fibula

inferior surfaces of the navicular and cuneiform bones and bases of 2nd, 3rd, and 4th metatarsal bones

Question 4

flexor digitorum longus

Answer 4

middle 1/3 of the posterior surface of the tibia

base of the distal phalanx of each of the four lesser toes

Question 5

flexor hallicus longus

Answer 5

middle 2/3 of the posterior surface of the fibula

base of the distal phalanx of the great toe (plantar surface)

Question 6

peroneus longus

Answer 6

head and upper 2/3 of the lateral surface of the fibula

undersurfaces of the medial cuneiform and 1st metatarsal bone

Question 7

peroneus brevis

Answer 7

mid to lower 2/3 of the lateral surface of the fibula

tuberosity of the 5th metatarsal bone

Question 8

peroneus tertius

Answer 8

distal 1/3 of the anterior fibula

superior aspect of the base of the 5th metatarsal

Question 9

extensor digitorum longus

Answer 9

lateral condyle of the tibia, head of the fibula, and upper 2/3 of the anterior surface of the fibula

tops of the middle and distal phalanges of the lesser four toes

Question 10

extensor hallucis longus

Answer 10

middle 2/3 of the medial surface of the anterior fibula

base of the distal phalanx of the great toe

Question 11

tibialis anterior

Answer 11

upper 2/3 of the lateral surface of the tibia

inner surface of the medial cuneiform and the base of the 1st metatarsal bone