Knee, Leg and Foot Flashcards Preview

Anatomy > Knee, Leg and Foot > Flashcards

Flashcards in Knee, Leg and Foot Deck (35):
1

Name 3 compartments of the leg

Posterior
Anterior
Lateral

2

Name 2 compartments in the posterior compartment

Superficial compartment
Deep compartment

3

What't the nerve supply to the posterior compartment?

Tibial Nerve

4

What does the posterior compartment do?

Flexion of the knee
Plantarflexion
Foot inversion
Toes flexion

5

What does the deep compartment contain (4)

Popliteus
Tibialis Posterior
Flexor Digitorum Longus
Flexor Hallucis Longus

6

What does the superficial compartment contain (3)
and what do they attach to?

Gastrocnemius
Soleus
Plantaris
Calcaneous tendon

7

Gastrocnemius Actions (2)

Plantarflexion, Knee Flexion

8

Gastrocnemius Attachments

Proximal
Medial Head – Superior to medial femoral condyle
Lateral Head - Superior to lateral femoral condyle
Distal
Calcaneal tendon

9

Plantaris Actions

Not considered significant
Plantarflexion, Knee Flexion

10

Plantaris Attachments

Proximal
Inferior part of lateral supracondylar line of femur
Distal:
Calcaneal tendon

11

Soleus function

Plantarflexion

12

Soleus attachments

Proximal
Soleal line and medial border of tibia
Posterior fibular head
Distal
Calcaneal tendon

13

Popliteus functions

Stabilises knee joint and limits lateral rotation of tibio-femoral joint
“Unlocks” the knee joint

14

Politeus attachments

Proximal
Lateral femoral condyle
Distal
Posterior surface of tibia

15

Tibialis Posterior actions

Plantarflexion, Foot Inversion
Also support of Medial Arch

16

Tibialis Posterior attachments

Proximal
Posterior interosseous membrane
Tibia/Fibula
Distal
Navicular Tuberosity
Medial Cuneiform

17

Flexor Hallucis Longus Action

Flexion of Great Toe

18

Flexor Hallucis Longus Attachments

Posterior interosseous membrane
Fibula
Distal
Plantar surface of Base of Distal Phalanx of Great Toe

19

Flexor Digitorum Longus function

Flexion of Lateral 4 Toes

20

Flexor digitorium longus Attachments

Proximal
Medial Tibia
Distal
Plantar surfaces of Base of Distal Phalanx of Lateral 4 Toes

21

Lateral compartment function and nerve supply

Foot eversion
Plantarflexion
Superficial Peroneal Nerve

22

Name 2 muscles in the lateral compartment

Fibularis longus
Fibularis brevis

23

Fibularis Longus function

Foot Eversion, Plantarflexion, Support arches of foot

24

Fibularis Longus attachments

Proximal
Upper lateral surface/Head of fibula
Distal
Base of 1st Metatarsal (makes an ‘L’ shape!)
Medial cuneiform

25

Fibularis Brevis Function

Foot Eversion
Proximal
Lower 2/3 of lateral surface of fibula
Distal
Base of 5th Metatarsal

26

Anterior Compartment action and nerve supply

Dorsiflexion
Toes extension
Foot inversion

Deep Peroneal Nerve

27

Tibialis Anterior actions

Dorsiflexion, Foot Inversion, Support of medial arch of foot

28

Tibialis Anterior attachments

Proximal
Lateral Tibia
Anterior interosseous membrane
Distal
Medial Cuneiform
Base of 1st Metatarsal

29

Extensor Hallucis Longus action

Extension of Great Toe, Dorsiflexion

30

Extensor Hallucis Longus attachments

Proximal
Medial Fibula
Anterior Interosseous Membrane
Distal
Dorsal surface of Base of Distal Phalanx of Great Toe

31

Extensor Digitorum Longus actions

Extension of Lateral 4 Toes, Dorsiflexion

32

Extensor Digitorum Longus attachments

Proximal
Medial Fibula
Lateral Tibial Condyle
Distal
Dorsal surface of Bases of Distal & Middle Phalanges of Lateral 4 Toes
via Dorsal Digital Expansions

33

Fibularis Tertius actions

Dorsiflexion, Eversion of Foot

34

Fibularis Tertius attachments

Proximal
Distal, Medial Fibula
Distal
Dorsal surface of Base of 5th Metatarsal

35

Extensor digitorum brevis supplied by?

deep peroneal