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Anatomy > Lower Limb Muscles, Nerves, & Actions > Flashcards

Lower Limb Muscles, Nerves, & Actions Flashcards

1
Q

gluteus maximus

A

superficial layer
inferior gluteal nerve
extend, laterally rotate thigh

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2
Q

gluteus medius

A

middle layer
superior gluteal nerve
abduct, medially rotate thigh

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3
Q

gluteus minimus

A

middle layer
superior gluteal nerve
abduct, medially rotate thigh

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4
Q

tensor fascia latae

A

middle layer
superior gluteal nerve
abduct, medially rotate thigh

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5
Q

piriformis

A

deep layer
ventral rami S1-S2
laterally rotate thigh

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6
Q

superior gemellus

A

deep layer
nerve to obturator internus
laterally rotate thigh

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7
Q

obturator internus

A

deep layer
nerve to obturator internus
laterally rotate thigh

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8
Q

inferior gemellus

A

deep layer
nerve to quadratus femoris
laterally rotate thigh

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9
Q

quadratus femoris

A

deep later
nerve to quadratus femoris
laterally rotate thigh

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10
Q

illiopsoas

A

anterior compartment
femoral and lumbar nerve
flex thigh at hip

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11
Q

sartorius

A

anterior compartment
femoral nerve
flex, abduct, laterally rotate hip; flex knee; crossing legs one over the other

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12
Q

rectus femoris

A

anterior compartment
femoral nerve
flex hip, extend leg at knee

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13
Q

vastus lateralis

A

anterior compartment
femoral nerve
extend leg at knee

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14
Q

vastus intermedius

A

anterior compartment
femoral nerve
extend leg at knee

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15
Q

vastus medialis

A

anterior compartment
femoral nerve
extend leg at knee

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16
Q

pectineus

A

anterior compartment
femoral and obturator nerve
adduct thigh at hip

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17
Q

gracilis

A

medial compartment
obturator nerve
adduct thigh at hip, flex and medially rotate leg at knee

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18
Q

obturator externus

A

medial compartment
obturator nerve
laterally rotate thigh

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19
Q

adductor longus

A

medial compartment
obturator nerve
adduct thigh at hip

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20
Q

adductor brevis

A

medial compartment
obturator nerve
adduct thigh at hip

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21
Q

adductor magnus

A

medial compartment
obturator and tibial nerve
adduct and extend thigh at hip

22
Q

semimembranosus

A

posterior compartment
tibial nerve
extend thigh, flex and medially rotate leg

23
Q

semitendinosus

A

posterior compartment

tibial nerve

24
Q

biceps femoris (long head)

A

posterior compartment
tibial nerve
extend thigh, flex and laterally rotate leg

25
Q

biceps femoris (short head)

A

posterior compartment
common fibular nerve
flex and laterally rotate leg

26
Q

tibilias anterior

A

anterior compartment
deep fibular nerve
dorsiflex ankle, invert foot

27
Q

extensor hallucis longus

A

anterior compartment
deep fibular nerve
dorsiflex ankle, extend great toe

28
Q

extensor digitorium longus

A

anterior compartment
deep fibular nerve
dorsiflex ankle, extend digit 2-5

29
Q

fibularis tertius

A

anterior compartment
deep fibular nerve
dorsiflex ankle, evert foot

30
Q

fibularis longus

A

lateral compartment
superifical fibular nerve
evert foot, weak plantar flexor at ankle

31
Q

fibularis brevis

A

lateral compartment
superficial fibular nerve
evert foot, weak plantar flexor at ankle

32
Q

gastrocnemius

A

posterior compartment
tibial nerve
flex at knee, plantar flex foot at ankle

33
Q

soleus

A

posterior compartment
tibial nerve
plantarflex foot at ankle, raise heel during walking

34
Q

plantaris

A

posterior compartment
tibial nerve
weakly plantarflex foot at ankle

35
Q

popliteus

A

posterior compartment
tibial nerve
weakly flex knee, unlock knee, laterally rotate femur on fixed tibia or medially rotate tibia of unplanted limb

36
Q

flexor hallucis longus

A

posterior compartment
tibial nerve
plantarflex foot at ankle, flex great toe

37
Q

flexor digitorium longus

A

posterior compartment
tibial nerve
plantarflex at ankle, flex digits 2-5, support longitudinal arch

38
Q

tibialis posterior

A

posterior compartment
tibial nerve
plantarflex foot at ankle, invert foot

39
Q

extensor digitorum brevis

A

dorsal compartment
deep fibular nerve
extend digits 2-5

40
Q

extensor hallucis brevis

A

dorsal compartment
deep fibular nerve
extends great toe

41
Q

flexor digitorium brevis

A

plantar compartment layer 1
medial plantar nerve
flex digits 2-5

42
Q

abductor hallucis

A

plantar compartment layer 1
medial plantar nerve
abduct and flex great toe

43
Q

abductor digiti minimi

A

plantar compartment layer 1
lateral plantar nerve
abduct and flex digit 5

44
Q

quadratus plantae

A

plantar compartment layer 2
lateral plantar nerve
assist in flexing digits 2-5

45
Q

lumbrical 1

A

plantar compartment layer 2
medial plantar nerve
flex PIP and extend DIP of digit 2

46
Q

lumbrical 2-4

A

plantar compartment layer 2
lateral plantar nerve
flex PIP and extend DIP of digits 3-5

47
Q

flexor hallucis brevis

A

plantar compartment layer 3
medial plantar nerve
flex PIP and extend DIP of digit 2

48
Q

adductor hallucis

A

plantar compartment layer 3
lateral plantar nerve
adduct great toe, support transverse arch

49
Q

flexor digiti minimi brevis

A

plantar compartment layer 3
lateral plantar nerve
flex digit 5

50
Q

plantar interossei (3)

A

plantar compartment layer 4
lateral plantar nerve
adduct digits 2-4, flex MP joints

51
Q

dorsal interossei (4)

A

plantar compartment layer 4
lateral plantar nerve
abduct digits 2-4, flex MP joints

Anatomy (21 decks)

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