Posterior leg muscles

Question 1

Gastrocnemius lateral head proximal attachment

Answer 1

Lateral condyle of femur

Question 2

Gastrocnemius lateral head distal attachment

Answer 2

Posterior surface of calcaneus via calcaneal tendon

Question 3

Gastrocnemius lateral head nerve supply

Answer 3

tibial nerve

Question 4

Gastrocnemius lateral head action

Answer 4

Plantarflex ankle joint

Question 5

Gastrocnemius medial head proximal attachment

Answer 5

superior to medial condyle of femur

Question 6

Gastrocnemius medial head distal attachment

Answer 6

Calcaneus via calcaneal tendon

Question 7

Gastrocnemius medial head nerve supply

Answer 7

tibial nerve

Question 8

Gastrocnemius medial head action

Answer 8

Plantarflex ankle

Question 9

Soleus proximal attachment

Answer 9

Head of fibula and posterior surface of fibula/soleal line of of tibia

Question 10

Soleus distal attachment

Answer 10

Posterior surface of calcaneus via calcaneal tendon

Question 11

Soleus nerve supply

Answer 11

Tibial nerve

Question 12

Soleus action

Answer 12

Plantarflexion of ankle

Question 13

Plantaris proximal attachment

Answer 13

Lateral supracondylar line of femur

Question 14

Plantaris distal attachment

Answer 14

Posterior surface of calcaneus via calcaneal tendon

Question 15

Plantaris nerve supply

Answer 15

tibial nerve

Question 16

Plantaris action

Answer 16

weak plantar flexion of ankle

Question 17

Popliteus proximal attachment

Answer 17

Lateral condyle of femur/lateral meniscus

Question 18

Popliteus distal attachment

Answer 18

Posterior surface of tibia, superior to solar line

Question 19

Popliteus nerve supply

Answer 19

Tibial nerve

Question 20

Popliteus action

Answer 20

Weak knee flexion, unlocks knee by externally rotating femur

Question 21

Flexor digitorum longus proximal attachment

Answer 21

posterior surface of tibia, inferior to soleal line

Question 22

Flexor digitorum longus distal attachment

Answer 22

distal phalanges of lateral 4 digits

Question 23

Flexor digitorum longus nerve supply

Answer 23

Tibial nerve

Question 24

Flexor digitorum longus action

Answer 24

Flexion of lateral 4 digits and plantarflex ankle

Question 25

Flexor hallucis longus proximal attachment

Answer 25

posterior surface of fibula and interosseous membrane

Question 26

Flexor hallucis longus distal attachment

Answer 26

plantar surface of distal phalanx of hallux

Question 27

Flexor hallucis longus nerve supply

Answer 27

Tibial nerve

Question 28

Flexor hallucis longue action

Answer 28

Flex great toe, weak plantar flexion

Question 29

Tibialis posterior proximal attachment

Answer 29

posterior surface of tibia, inferior to soleal line

Question 30

Tibialis posterior distal attachment

Answer 30

Tubersoity of navicular, cuneiforms, cuboid and sustentaculum tali of calcaneus

Question 31

Tibialis posterior nerve supply

Answer 31

Tibial nerve

Question 32

Tibialis posterior action

Answer 32

Plantarflex ankle joint, invert subtalar joint