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MSK Anatomy > Leg/foot > Flashcards

Leg/foot Flashcards

1
Q

7 tarsal groups

A

Talus calcaneus
Navicular
Cuboid 3 cuneiforms (medial, intermediate, lateral)

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2
Q

Axis of foot

A

2nd toe

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3
Q

Phalanges

A

14 in total - 2 for big toe, 3 for others

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4
Q

Subtalar joint movements

A

inversion and eversion

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5
Q

Compartments of the leg

A

anteriorlateralposterior

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6
Q

anterior leg N

A

deep fibular

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7
Q

anterior leg

A

dorsiflexioninversionextension of toes

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8
Q

lateral leg fxn

A

eversion

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9
Q

lateral leg N

A

superficial fibular

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10
Q

Retinacula around ankles

A

Extensor and fibular

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11
Q

Dorsal foot muscles

A

extensor digitorum brevis

extensor hallucis brevis (part of above)

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12
Q

extensor digitorum brevis N

A

deep fibular

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13
Q

extensor hallucis brevis N

A

deep fibular

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14
Q

extensor digitorum brevis fxn

A

ext of toes 2 3 4

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15
Q

fibularis longus N

A

superficial fibular N

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16
Q

fibularis brevis N

A

superficial fibular N

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17
Q

fibularis longus fxn

A

eversion of foot

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18
Q

fibularis brevis fxn

A

eversion of foot

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19
Q

anterior leg muscles

A

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius

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20
Q

tibialis anterior N

A

deep fibular

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21
Q

extensor hallucis longus N

A

deep fibular

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22
Q

extensor digitorum longus N

A

deep fibular

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23
Q

fibularis tertius N

A

deep fibular

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24
Q

tibilais anterior fxn

A

dorsiflexion of ankle

inversion of foot

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25
Q

extensor digitorum longus fxn

A

extension of lateral four toes

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26
Q

fibularis tertius fxn

A

dorsiflexion of ankle and eversion of foot

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27
Q

common fibular nerve course

A

from sciatic nerve, passes popliteal fossa and then winds around the neck of fibuladivides into deep and superficial fibular nervesin the popliteal fossa, gives off cutaneous branches including the sural commnunicating branch

28
Q

superficial fibular nerve supply

A

lateral leg - fibularis longus and brevis

skin of the dorsum of the foot except for the first interdigital cleft

29
Q

deep fibular nerve supply

A

anterior leg and dorsum of foot
accompanied by the anterior tibial artery in the legfoot: supply the only muscle there - extensor digitorum brevis, as well as the skin of the interdigital cleft and foot joints

30
Q

popliteal artery course

A

continuation of the femoral artery
runs through the popliteal fossa
divides into anterior and posterior tibial artery
also gives off branches in the popliteal fossa, including the genicular arteries (supply the knee joint, forms an anastomoses)

31
Q

anterior tibial artery course

A

enters the anterior compartment, runs downwards towards a point between the two malleoli, ends and becomes the dorsalis pedis

32
Q

anterior tibial artery supply

A

anterior leg

33
Q

dorsalis pedis artery suply

A

dorsum of the foot, pulse can be felt

34
Q

posterior leg superficial fascia contents

A

sural nerve and small saphenous vein

35
Q

Sural nerve components

36
Q

common fibular nerve components

37
Q

superficial muscles of the posterior leg

A

Soleus

Gastrocnemius

38
Q

posterior leg (deep) fxn

A

flexion of the toes

inversion

39
Q

posterior leg N

A

tibial nerve

40
Q

Gastrocnemius insertion

A

Calcaneal tubersoity via Achilles/calcaneal tendon

41
Q

Soleus insertion

A

Calcaneal tubersoity via Achilles/calcaneal tendon

42
Q

Gastrocnemius N

43
Q

Soleus N

44
Q

Gastrocnemius fxn

A

plantar flexion

45
Q

soleus fxn

A

plantar flexion

46
Q

deep muscles of the posterior leg

A

Popliteus
Flexor hallucis longus
FLexor digitorum longus
Tibialis posterior

47
Q

Popliteus N

48
Q

flexor hallucis longus N

49
Q

flexor digitorum longus N

50
Q

tibialis posterior

51
Q

Popliteus function

A

unlocks knee joint (laterally rotates femur on fixed tibia)

52
Q

flexor hallucis longus function

A

flexion of big toe

53
Q

flexor digitorum longus function

A

flexion of lateral four toes

54
Q

tibialis posterior function

A

inversion and plantar flexion of foot

55
Q

Plantar aponeurosis functions

A

fixes the skin at the sole
protects deep structures
helps to maintain the longitudinal arches of the foot

56
Q

Muscles of the sole of the foot fxn

A

abduction
adduction
flexion

57
Q

Tibial nerve components

A

L4 5 S1 2 3

58
Q

tibial nerve course

A

Terminal branch of sciatic
situated in the middle of the popliteal fossaenters the back of hte leg, passes deep down to the soleus muscle to the back of the medial malleolusthen divides into medial and lateral plantar nerves

59
Q

tibial nerve supply

A

posterior leg muscles + ankle joint

60
Q

posterior leg arterial supply

A

posterior tibial artery

61
Q

Posterior tibial artery course

A

one of the terminal branches of the popliteal arterylocated between the superficial and deep muscles
passes behind the medial malleolus to enter the solethen divides into medial and lateral plantar arteries
also branches off to fibular artery

62
Q

posterior tibial artery supply

A

posterior compartment of the leg

and lateral via fibular artery

63
Q

Lateral plantar nerve supply

A

skin of the lateral 1.5 toessome muscles

64
Q

Medial plantar nerve supply

A

skin of the medial 3.5 toessome muscles

65
Q

plantar arch

A

arterial arch in the sole of the foot

continuation of the lateral plantar artery

MSK Anatomy (4 decks)

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