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Anatomy > LE Muscle Action > Flashcards

LE Muscle Action Flashcards

0
Q

Tensor fascia latae

A 
Abduct thigh (weak)
Flex leg (weak)
Laterally rotates flexed leg (weak)
Stabilize torso on hip joint (weak)
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1
Q

Gluteus Maximus

A

Laterally rotate thigh
Extend thigh
Abduct thigh
Stabilize torso

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2
Q

Gluteus medius

A

Abduct extended thigh
Stabilize torso
Medially rotates flexed thigh

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3
Q

Piriformis

A

Laterally rotate thigh

Abduct flexed leg

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4
Q

Obturator internus

A

Abduct thigh

Laterally rotate thigh

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5
Q

Superior gemellus

A

Assist with lateral rotation of thigh

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6
Q

Inferior gemellus

A

Assist in lateral rotation of thigh

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7
Q

Obturator externus

A

Laterally rotate thigh at hip

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8
Q

Quadratus femoris

A

Literally rotate thigh

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9
Q

Iliopsoas

A

Flex thigh at hip

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10
Q

Iliacus

A

Flex thigh at hip

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11
Q

Psoas major

A

Flex trunk

Literally flex trunk

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12
Q

Pectineus

A

Flex hip

Adduct hip

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13
Q

Sartorius

A 
Flex hip (weak)
Abduct hip (weak)
Laterally rotate hip (weak)
Flex knee (weak)
Medially rotate knee (weak)
Stabilize hip joint and lower limb
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14
Q

Rectus femoris

A

Flex thigh at hip

Extend leg at knee

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15
Q

Vastus medialis

A

Extend leg at knee

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16
Q

Vastus medialis

A

Extend leg at hip

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17
Q

Vastus lateralis

A

Extend leg at knee

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18
Q

Articularis genu

A

Aids knee extension by elevating synovial capsule

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19
Q

Pectineus

A

Flex hip

Adduct hip

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20
Q

Gracilis

A

Adduct thigh
Flex thigh at hip
Flex knee
Medially rotate knee

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21
Q

Adductor longus

A

Adduct thigh at hip
Flex thigh at hip
Hip rotation (controversial)

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22
Q

Adductor brevis

A

Adduct hip
Flex thigh at hip
Hip rotation (controversial)

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23
Q

Adductor Magnus medial head

A

Adduct thigh at hip

Flex thigh at hip

24
Q

Adductor Magnus lateral head

A

Adduct hip

Extend hip

25
Q

Obturator externus

A

Laterally rotate thigh

26
Q

Adductor Magnus medial head

A

Adduct hip

Flex hip

27
Q

Adductor Magnus lateral head

A

Adducts hip

Extend hip

28
Q

Biceps femoris long head

A

Extend hip
Flex knee
Laterally rotate flexed leg

29
Q

Biceps femoris short head

A

Flex knee

Laterally rotate flexed leg

30
Q

Semimembranosus

A

Extend hip
Flex knee
Medially rotate flexed knee

31
Q

Semitendinosus

A

Extend hip
Flex knee
Medially rotate flexed knee
Stabilize hip

32
Q

Plantaris

A 
Plantarflexion
Flex knee (weak)
33
Q

Gastrocnemius

A

Plantarflexion

Flex knee

34
Q

Soleus

A

Plantarflexion

35
Q

Popliteus

A

Medial rotation of tibia (unlocks knee)

36
Q

Tibialis posterior

A

Inversion

Plantarflexion

37
Q

Flexor digitorum longus

A

Flex toes 2-5
Plantarflexion
Inversion (weak)

38
Q

Flexor hallucis longus

A

Flex big toe

Plantarflexion

39
Q

Tibialis anterior

A

Invert foot

Dorsiflexion

40
Q

Extensor digitorum longus

A

Extend toes

Dorsiflexion

41
Q

Fibularis tertius

A

Eversion (weak)

Dorsiflexion

42
Q

Extensor hallucis longus

A

Extend big toe

Dorsiflexion

43
Q

Fibularis longus

A

Evert foot
Plantarflexion (weak)
Support transverse arch

44
Q

Fibularis brevis

A

Eversion

Plantarflexion (weak)

45
Q

Extensor digitorum brevis

A

Extend toes

46
Q

Extensor hallucis brevis

A

Extend hallux

47
Q

Abductor hallucis

A

Flex hallux
Support medial longitudinal arch
Abduct hallux?

48
Q

Flexor digitorum brevis

A

Flex toes 2-5
Metatarsalphalangeal joints
Proximal interphalangeal joints

49
Q

Abductor digiti quinti

A

Flex little toe
Abduct little toe
Support lateral longitudinal arch

50
Q

Flexor digitorum accessorius

A

Aids in flexion of toes 2-5

51
Q

Lumbercals

A

Aids in flexion of toes at metatarsalphalageal joints

Aids in extension at interphalangeal joints

52
Q

Flexor hallucis brevis

A

Flex hallux

53
Q

Adductor hallucis oblique head

A

Flex hallux

Adduct hallux?

54
Q

Adductor hallucis transverse head

A

Adduct hallux?

Support transverse arch

55
Q

Flexor digiti quinti

A

Flex little toe

56
Q

Plantar interossei

A

Aduict toes?

Support transverse arch

57
Q

Interossei dorsalis pedis

A

Abduct toes?

Support transverse arch

Anatomy (30 decks)

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