Deep posterior leg Flashcards Preview

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Flashcards in Deep posterior leg Deck (17):
1

Where is the popliteal bursa

Between popliteal tendon and posterior surface of knee joint

2

Origin of popliteus

Posterior surface of proximal tibia

3

Insertion of popliteus

Lateral condyle of femur

4

Direction of popliteus fibres

Upwards and laterally

5

Action of popliteus

Laterally rotates femur on tibia
This unlocks the knee to allow Flexion

6

Innervation of deep posterior leg muscles

Tibial nerve

7

Origin of tibialis posterior

Interosseus membrane and posterior surfaces of tibia and fibula

8

Where does the tendon of tibialis posterior cross at ankle

Posterior to medial malleolus

9

Insertion of tibialis posterior

Plantar surfaces of medial tarsals

10

Action of tibialis posterior

Inversion and plantarflexion of foot
Maintains medial arch of foot

11

Origin of flexor digitorum longus

Medial tibia

12

Insertion of flexor digitorum longus

Plantar surface of lateral 4 toes

13

Action of flexor digitorum longus

Flexes lateral 4 toes

14

Origin of flexor hallucis longus

Posterior fibula

15

Insertion of flexor hallucis longus

Plantar surface of phalanx of big toe

16

Action of flexor hallucis longus

Flexion of big toe

17

Muscles of the deep posterior leg

Popliteus
Tibialis posterior
Flexor hallucis longus
Flexor digitorum longus

Decks in MSK Class (87):