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FINAL EXAM ANATOMY > MUSCLES OF THE LEG AND FOOT > Flashcards

MUSCLES OF THE LEG AND FOOT Flashcards

1
Q

popliteus action

A

medially rotates leg at knee joint - unlocks knee joint at beginning of knee flexion

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2
Q

popliteus innervation

A

tibial nerve L4-S1

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3
Q

popliteus medial attachment

A

posterior surface of tibia - superior to soleal line

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4
Q

popliteus lateral attachment

A

groove for popliteus muscle

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5
Q

fibularis longus action

A

-everts foot at subtalar and transverse tarsal joint
-assist in plantarflexion of foot at ankle joint

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6
Q

fibularis longus innervation

A

superficial fibular nerve L5-S1

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7
Q

fibularis longus inferior attachment

A

plantar surface of medial cuneiform bone and base of 1st metatarsal bone

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8
Q

fibularis longus superior attachment

A

head and lateral surface of fibula
adjacent intermuscular septa

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9
Q

fibularis brevis action

A

-everts foot at subtalar and transverse tarsal joint
-assists in plantarflexion of foot at ankle joint

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10
Q

fibularis brevis innervation

A

superficial fibular nerve -L5-S1

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11
Q

fibularis brevis inferior attachment

A

tuberosity of 5th metatarsal bone

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12
Q

fibularis brevis superior attachment

A

lateral surface of fibula and intermuscular septa

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13
Q

tibialis anterior action

A
  • dorsiflexion of foot at ankle joint
    -inverts foot at subtalar and transverse tarsal joint
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14
Q

tibialis anterior innervation

A

deep fibular nerve - L4-L5

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15
Q

tibialis anterior inferior attachment

A

inferomedial aspect of medial cuneiform bone and base of 1st metatarsal bone

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16
Q

tibialis anterior superior attachment

A

lateral condyle and proximal half of lateral surface of tibia adjacent to interosseous membrane of leg

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17
Q

extensor hallucis longus action

A

-extends great toe
-dorsiflexes foot at ankle joint

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18
Q

extensor hallucis longus innervation

A

deep fibular nerve L5

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19
Q

extensor hallucis longus superior attachment

A

medial surface of fibula and adjacent interosseous membrane of leg

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20
Q

extensor hallucis longus inferior attachment

A

dorsal aspect of base of distal phalanx of great toe

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21
Q

extensor digitorum longus action

A

-extends 2nd/3rd/4th/ and little toes
-dorsiflexes foot at ankle joint

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22
Q

extensor digitorum longus innervation

A

deep fibular nerve - L5 S1

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23
Q

extensor digitorum longus inferior attachment

A

dorsal aspects of bases of both the middle and distal phalanges of the 2nd /3rd/4th/ and little toes

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24
Q

extensor digitorum longus superior attachment

A

-lateral condyle of tibia
-proximal 3/4 of fibula
-interosseous membrane of leg

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25
Q

fibularis tertius action

A

-dorsiflexion of foot at ankle joint
- eversion of foot at subtalar and transverse tarsal joint

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26
Q

fibularis tertius innervation

A

deep fibular nerve L5-S1

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27
Q

fibularis tertius superior attachment

A

medial surface of fibula and interosseous membrane

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28
Q

fibularis tertius inferior attachment

A

dorsal aspect of base abd body of 5th metatarsal bone

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29
Q

extensor digitorum brevis proximal attachment

A

-dorsolateral aspect of calcaneus
-inferior extensor retinaculum of foot
-talocalcaneal interosseous ligament

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30
Q

extensor digitorum brevis distal attachment

A

extensor expansions of 2nd -4th toes

31
Q

extensor digitorum brevis action

A

extends 2nd -4th toes

32
Q

extensor digitorum brevis innervation

A

deep fibular nerve L5-S1

33
Q

extensor hallucis brevis action

A

-extends great toe
- dorsiflexes foot at ankle joint

34
Q

extensor hallucis brevis innervation

A

deep fibular nerve L5

35
Q

extensor hallucis brevis superior attachment

A

medial surface of fibula and interosseous membrane

36
Q

extensor hallucis brevis inferior attachment

A

dorsal part of base of distal phalanx of great toe

37
Q

gastrocnemius medial head action

A

plantar flexes foot at ankle joint and flexes knee

38
Q

gastrocnemius medial head innervation

A

tibial nerve = S1-S2

39
Q

gastrocnemius medial head inferior attachment

A

posterior surface of calcaneus via calcaneal tendon

40
Q

gastrocnemius medial head superior attachment

A

medial condyle/ popliteal surface of femur

41
Q

gastrocnemius lateral head action

A

plantar flexes foot at ankle joint and flexes knee

42
Q

gastrocnemius lateral head innervation

A

tibial nerve= S1-S2

43
Q

gastrocnemius lateral head inferior attachment

A

posterior surface of calcaneus via calcaneal tendon

44
Q

gastrocnemius lateral head superior attachment

A

lateral condyle and lateral supracondylar line of femur

45
Q

soleus action

A

plantarflexes foot at ankle joint

46
Q

soleus innervation

A

tibial nerve - S1-S2

47
Q

Soleus inferior attachment

A

posterior surface of calcaneus via calcaneal tendon

48
Q

soleus superior attachment

A

-head of fibula
-posterior surface of fibula
- soleal line and medial border of tibia

49
Q

plantaris action

A

-assist plantarflexion of foot at ankle joint
-assist flexion of leg at knee joint

50
Q

plantaris innervation

A

tibial nerve S1-S2

51
Q

plantaris inferior attachment

A

posterior surface of calcaneus

52
Q

plantaris superior attachment

A

lateral supracondylar line of femur

53
Q

tibialis posterior action

A

-inverts foot at subtalar and transverse tarsal joint
-plantarflexes foot at ankle joint

54
Q

tibialis posterior innervation

A

tibial nerve L4-L5

55
Q

tibialis posterior superior attachment

A

-posterior surface of tibia
-inferior to soleal line
-posterior surface of fibula
-adjacent interosseous membrane of leg

56
Q

tibialis posterior inferior attachment

A

-tuberosity of navicular bone
-plantar aspects of medial intermediate and lateral cuneiform bones
-plantar aspects of bases of 2nd - 4th metatarsal bones

57
Q

Flexor digitorum longus action

A

-flexes 2nd/3rd/4th/ little toes
-plantarflexes foot at ankle joint

58
Q

Flexor digitorum longus innervation

A

-tibial nerve L5-S2

59
Q

flexor digitorum longus superior attachment

A

medial part of the posterior surface of tibia inferior to soleal line - by a broad tendon to fibula

60
Q

flexor digitorum longus inferior attachment

A

bases of distal phalanges of lateral 4 digits

61
Q

flexor hallucis longus action

A

-flexes great toe at all ankles plantarflexes ankle supports medial longitudinal arch of foot

62
Q

flexor hallicus longus innervation

A

Tibial nerve (S2, S3)

63
Q

flexor hallicus longus superior attachment

A

inferior 2/3 of posterior surface of fibula - inferior part of interosseous membrane

64
Q

flexor hallicus longus inferior attachment

A

base of distal phalanx of great toe

65
Q

abductor hallucis innervation

A

medial plantar nerve = s2-s3

66
Q

abductor digit minimi innervation

A

lateral plantar nerve= s2-s3

67
Q

flexor digitorum brevis innervation

A

medial plantar nerve= s2-s3

68
Q

Quadratus Plantae innervation

A

Lateral plantar nerve (S2, S3)

69
Q

lumbricals innervation

A

-medial section= medial plantar nerve s2-s3
-lateral 3 = lateral plantar nerve s2-s3

70
Q

flexor hallucis brevis innervation

A

medial plantar nerve = s1-s3

71
Q

flexor digiti minimi innervation

A

superficial branch of lateral plantar nerve= s2-s3

72
Q

adductor hallucis innervation

A

deep branch of lateral plantar nerve s2-s3

73
Q

plantar interossei innervation

A

lateral plantar nerve

FINAL EXAM ANATOMY (8 decks)

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