Deep posterior leg

Question 1

Where is the popliteal bursa

Answer 1

Between popliteal tendon and posterior surface of knee joint

Question 2

Origin of popliteus

Answer 2

Posterior surface of proximal tibia

Question 3

Insertion of popliteus

Answer 3

Lateral condyle of femur

Question 4

Direction of popliteus fibres

Answer 4

Upwards and laterally

Question 5

Action of popliteus

Answer 5

Laterally rotates femur on tibia

This unlocks the knee to allow Flexion

Question 6

Innervation of deep posterior leg muscles

Answer 6

Tibial nerve

Question 7

Origin of tibialis posterior

Answer 7

Interosseus membrane and posterior surfaces of tibia and fibula

Question 8

Where does the tendon of tibialis posterior cross at ankle

Answer 8

Posterior to medial malleolus

Question 9

Insertion of tibialis posterior

Answer 9

Plantar surfaces of medial tarsals

Question 10

Action of tibialis posterior

Answer 10

Inversion and plantarflexion of foot

Maintains medial arch of foot

Question 11

Origin of flexor digitorum longus

Answer 11

Medial tibia

Question 12

Insertion of flexor digitorum longus

Answer 12

Plantar surface of lateral 4 toes

Question 13

Action of flexor digitorum longus

Answer 13

Flexes lateral 4 toes

Question 14

Origin of flexor hallucis longus

Answer 14

Posterior fibula

Question 15

Insertion of flexor hallucis longus

Answer 15

Plantar surface of phalanx of big toe

Question 16

Action of flexor hallucis longus

Answer 16

Flexion of big toe

Question 17

Muscles of the deep posterior leg

Answer 17

Popliteus
Tibialis posterior
Flexor hallucis longus
Flexor digitorum longus