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Anatomy 3 > Pelvis + Hip Muscles > Flashcards

Pelvis + Hip Muscles Flashcards

OINA's

1
Q

Pectineus Action

A
  • adduct and slightly flex hip
  • assists w/ hip lateral rotation
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2
Q

Pectineus PA

A

superior pubic ramus

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3
Q

Pectineus DA

A

pectineal line of femur

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4
Q

Pectineus Innervation

A

femoral nerve (L2, L3), may receive branch from obturator nerve

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5
Q

Sartorius Action

A
  • flex, abduct, and laterally rotate hip
  • flex knee (medially rotates leg when knee is flexed)
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6
Q

Sartorius PA

A

anterior superior iliac spine (ASIS)

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7
Q

Sartorius DA

A

pes anserinus of tibia

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8
Q

Sartorius Innervation

A

femoral nerve (L2, L3)

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9
Q

Gluteus Maximus Action

A
  • extend hip (especially from flexed position)
  • assists w/ hip lateral rotation
  • fixes hip joint and assists in rising from sitting
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10
Q

Gluteus Maximus PA

A

posterior gluteal line of ilium, dorsal sacrum and coccyx, sacrotuberous ligament

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11
Q

Gluteus Maximus DA

A

most fibers end in iliotibial tract (inserts into Gerdy’s tubercle), some fibers insert on gluteal tuberosity

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12
Q

Gluteus Maximus Innervation

A

inferior gluteal nerve (L5, S1, S2)

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13
Q

Gluteus Medius Action

A
  • abduct and medially rotate hip
  • posterior fibers: externally rotate hip (clam)
  • keeps contralateral pelvis level during single limb stance
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14
Q

Gluteus Medius PA

A

ilium, b/w anterior and posterior gluteal lines

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15
Q

Gluteus Medius DA

A

greater trochanter of femur

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16
Q

Gluteus Medius Innervation

A

superior gluteal nerve (L4, L5, S1)

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17
Q

Gluteus Minimus Action

A
  • abduct and medially rotate hip
  • keep contralateral pelvis level during single limb stance
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18
Q

Gluteus Minimus PA

A

ilium, b/w anterior and inferior gluteal lines

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19
Q

Gluteus Minimus DA

A

greater trochanter of femur

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20
Q

Gluteus Minimus Innervation

A

superior gluteal nerve (L4, L5, S1)

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21
Q

Tensor Fasciae Latae Action

A
  • abduct and medially rotate hip
  • keep contralateral pelvis level during single limb stance
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22
Q

Tensor Fasciae Latae PA

A

anterior superior iliac spine (ASIS) , anterior iliac crest

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23
Q

Tensor Fasciae Latae DA

A

iliotibial tract, which attaches to Gerdy’s tubercle

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24
Q

Tensor Fasciae Latae Innervation

A

superior gluteal nerve (L4, L5, S1)

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25
Q

Piriformis Action

A
  • laterally rotate extended hip
  • abduct hip when flexed
  • stabilize hip joint
26
Q

Piriformis PA

A

anterior sacrum, sacrotuberous ligament

27
Q

Piriformis DA

A

greater trochanter of femur

28
Q

Piriformis Innervation

A

anterior rami S1, S2

29
Q

Obturator Internus Action

A
  • laterally rotate extended hip
  • abduct hip when flexed
  • stabilize hip joint
30
Q

Obturator Internus PA

A

pelvic surface of obturator membrane and surrounding bones

31
Q

Obturator Internus DA

A

greater trochanter of femur

32
Q

Obturator Internus Innervation

A

nerve to obturator internus (L5, S1)

33
Q

Superior/Inferior Gemelli Action

A
  • laterally rotate extended hip
  • abduct hip when flexed
  • stabilize hip joint
34
Q

Superior/Inferior Gemelli PA

A
  • superior: ischial spine
  • inferior: ischial tuberosity
35
Q

Superior/Inferior Gemelli DA

A

greater trochanter of femur

36
Q

Superior/Inferior Gemelli Innervation

A
  • superior: nerve to obturator internus (L5, S1)
  • inferior: nerve to quadratus femoris (L5, S1)
37
Q

Quadratus Femoris Action

A
  • laterally rotate hip
  • stabilize hip joint
38
Q

Quadratus Femoris PA

A

ischial tuberosity

39
Q

Quadratus Femoris DA

A

quadrate tubercle

40
Q

Quadratus Femoris Innervation

A

nerve to quadratus femoris (L5, S1)

41
Q

Adductor Longus Action

A

adduct hip

42
Q

Adductor Longus PA

A

body of pubis

43
Q

Adductor Longus DA

A

linea aspera of femur

44
Q

Adductor Longus Innervation

A

obturator nerve (L2, L3, L4)

45
Q

Adductor Brevis Action

A
  • adduct hip
  • to some extent, flexes hip
46
Q

Adductor Brevis PA

A

body and inferior ramus of pubis

47
Q

Adductor Brevis DA

A

pectineal line, linea aspera of femur

48
Q

Adductor Brevis Innervation

A

obturator nerve (L2, L3, L4)

49
Q

Adductor Magnus Action

A
  • adduct hip
  • adductor part: flex hip
  • hamstring part: extend hip
50
Q

Adductor Magnus PA

A
  • adductor: inferior pubic ramus, ramus of ischium
  • hamstring: ischial tuberosity
51
Q

Adductor Magnus DA

A
  • adductor: gluteal tuberosity, linea aspera, medial supracondylar line
  • hamstring: adductor tubercle of femur
52
Q

Adductor Magnus Innervation

A
  • adductor: obturator nerve (L2, L3, L4)
  • hamstring: tibial part of sciatic nerve (L4)
53
Q

Gracilis Action

A
  • adduct hip
  • flex and medially rotate knee
54
Q

Gracilis PA

A

body and inferior ramus of pubis

55
Q

Gracilis DA

A

pes anserinus of tibia

56
Q

Gracilis Innervation

A

obturator nerve (L2, L3)

57
Q

Obturator Externus Action

A
  • laterally rotate hip
  • stabilize hip joint
58
Q

Obturator Externus PA

A

margins of obturator foramen, obturator membrane

59
Q

Obturator Externus DA

A

greater trochanter of femur

60
Q

Obturator Externus Innervation

A

obturator nerve (L2, L3, L4)

Anatomy 3 (5 decks)

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