Ankle Flashcards Preview

Anatomy > Ankle > Flashcards

Flashcards in Ankle Deck (19)
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1
Q

what bones make up the ankle

A

tibia, fibula, calcanus, talus

2
Q

name the tarsal bones

A

calcanus, talas, navicular, cuboid, cuniforms 1, 2 and 3

3
Q

what are the actions at the ankle

A

plantarflexion and dorsiflexion

4
Q

what are the actions at the sub taller joint?

A

inversion and eversion

5
Q

what muscles dorsiflex the ankle

A

tibialis anterior, extensor digitorum longus, extensor hallucis longus

6
Q

What is the origin, insertion and action of trials anterior

A

O: lateral condyle of tibia

I: medial cuniform and base of 1st metatarsal

A: dorsiflexion and inversion

7
Q

What is the origin, insertion and action of extensor digitorum longus

A

O: lateral tibial condyle

I: middle distal phalages of digits 2-5

A: extends digits 2-5, dorsiflexion and eversion

8
Q

What is the origin, insertion and action of extensor helices longus

A

O: Middle anterior surface of fibula and interosseous membrane

I: base of 1st phalanx doral side (top of big toe)

A: extends big toe, dorsiflexion and inversion

9
Q

what muscle plantar flex the ankle

A

gastrocnemeus, soleus, plantaris, tibialis posterior, flexor digitorum longus, flexor hallucis longus

10
Q

which group of muscle evert the foot

A

perenal muscle group

11
Q

What is the origin, insertion and action of preens longus

A

O: head and lateral two thirds of the fibula

I: lateral sides of first metatarsal and media cuniform

A: plantarflexion, eversion

12
Q

What is the origin, insertion and action of the peroneus brevis

A

O: Distal two thirds of lateral surface of tibia

I: tuberosity on base of 5th metatrsal

A: plantarflexion and eversion

13
Q

What is the origin, insertion and action of the peroneus tertius

A

O: distal 1 third of anterior surface of the fibula and interosseous membrane

I: dorsal surface of 5th metatarsal

A: dorsiflexion and eversion

14
Q

What is the origin, insertion and action of gastrocnemius

A

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

I: calcaneus via achilies tendon

A: plantarflexion and knee flexion

15
Q

What is the origin, insertion and action of soleus

A

O: solid line and posterior surface of tibia

I: calcaneus via achilies tendon

A: plantarflexion

16
Q

What is the origin, insertion and action of Plantaris

A

O: distal part of lateral supracondylar line of femur

I: calcaneus via achilies tendon

A: plantarflexion and knee flexion

17
Q

What is the origin, insertion and action of Trials posterior

A

O: lateral posterior tibia

I: navicular tiberosity, cuneforms 1-3, cuboid

A: plantarflexion and inversion

18
Q

What is the origin, insertion and action of flexor digitorum longus

A

O: middle and posterior surface of the tibia

I: base of distal phalanges of digits 2-5

A: flexes toes 2-4, plantarflexion and inversion

19
Q

What is the origin, insertion and action of flexor hallucis longus

A

O: distal posterior surface of the fibula and the interosseous membrane

I: base of first phalanx (big toe)

A: flexes big toe, plantar flexion, inversion