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Anatomy3651 > Lower Extremity Muscles > Flashcards

Lower Extremity Muscles Flashcards

1
Q

Psoas major origin

A

transverse process of lumbar

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2
Q

Iliacus origin

A

iliac fossa

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3
Q

Psoas major and iliacus insertion

A

lesser trochanter of femur

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4
Q

Psoas major and iliacus action

A

flex thigh

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5
Q

Gluteus maximus origin

A

iliac crest, sacrum

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6
Q

Gluteus maximus insertion

A

linea aspera, IT band

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7
Q

Gluteus maximus action

A

extend thigh

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8
Q

Gluteus medias and gluteus minimus origin

A

ilium

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9
Q

Gluteus medias and gluteus minimus insertion

A

greater trochanter of femur

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10
Q

Gluteus medias and gluteus minimus action

A

abduct thigh

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11
Q

Piriformis origin

A

sacrum

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12
Q

Piriformis insertion

A

greater trochanter of femur

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13
Q

Piriformis action

A

laterally rotate thigh

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14
Q

Gracilis origin

A

pubis

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15
Q

Gracilis insertion

A

medial proximal tibia

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16
Q

Gracilis action

A

adduct thigh

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17
Q

Adductor magnus, longus, and brevis origin

A

pubis and ischium

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18
Q

Adductor magnus, longus, and brevis insertion

A

linea aspera (magus at adductor tubercle)

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19
Q

Adductor magnus, longus, and brevis action

A

adduct thigh

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20
Q

Tensor fasciae latae origin

A

iliac crest

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21
Q

Tensor fasciae latae insertion

A

lateral tibia via IT band

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22
Q

Tensor fasciae latae action

A

abduct thigh, stabilize hip and knee joints

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23
Q

Sartorius origin

A

anterior superior iliac spine

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24
Q

Sartorius insertion

A

medial tibia (spans 2 joints)

25
Q

Sartorius action

A

flex and laterally rotate thigh, flex leg

26
Q

Quadriceps: rectus femoris origin

A

anterior inferior iliac spine

27
Q

Quadriceps: vastus muscles origin

A

linea aspera

28
Q

Quadriceps insertion

A

tibial tuberoisty (via patellar ligament)

29
Q

Quadriceps: rectus remoris action

A

flex thigh, extend leg

30
Q

Quadriceps: vastus muscles action

A

extend leg

31
Q

Hamstrings: semitendinosus, semimembranosus, long head of biceps femoris origin

A

ischial tuberosity

32
Q

Hamstrings: short head of biceps femoris origin

A

linea aspera

33
Q

Hamstrings: semitendinosous and semimembranousus insertion

A

proximal medial tibia

34
Q

Hanstrings: biceps femoris insertion

A

head of fibula

35
Q

Hamstrings action

A

extend thigh, flex leg

36
Q

What inserts at the pes anserinus

A

sartorius, gracilis, and semitendinousis

37
Q

Tibialis anterior, extensor digitorum longus, and extensor hallucis longus origin

A

tibia and fibula

38
Q

Tibialis anterior insertion

A

1st metatarsal

39
Q

Extensor digitorum longus insertion

A

phalanges 2-5

40
Q

Extensor hallucis longus insertion

A

distal phalanx of hallux

41
Q

Tibialis anterior action

A

extend and invert foot

42
Q

Extensor digitorum longus action

A

extend digits 2-5 and foot

43
Q

Extensor hallucis longus action

A

extend hallux and foot

44
Q

Evertors (lateral compartment) origin

A

fibula

45
Q

Evertors (lateral compartment) fibularis longus insertion

A

1st metatarsal

46
Q

Evertors (lateral compartment) fibularis brevis insertion

A

5th metatarsal

47
Q

Evertors (lateral compartment) action

A

evert foot

48
Q

Flexors: gastrocnemius origin

A

femoral condyles

49
Q

Flexors: soleus origin

A

tibia and fibula

50
Q

Flexors insertion

A

calcaneus

51
Q

Flexors action

A

flex foot

52
Q

Tibialis origin

A

tibia and fibula

53
Q

Tibialis insertion

A

1st metatarsal

54
Q

Tibialis action

A

flex and invert foot

55
Q

Flexor digitorum longus origin

A

tibia and fibula

56
Q

Flexor digitorum longus insertion

A

distal phalanges of 2-5

57
Q

Flexor digitorum longus action

A

flex digits 2-5 and foot

58
Q

Flexor hallucis longus origin

A

tibia and fibula

59
Q

Flexor hallucis longus insertion

A

distal phalanx of hallux

Anatomy3651 (33 decks)

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