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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
Piriformis Action
- laterally rotate extended hip - abduct hip when flexed - stabilize hip joint
26
Piriformis PA
anterior sacrum, sacrotuberous ligament
27
Piriformis DA
greater trochanter of femur
28
Piriformis Innervation
anterior rami S1, S2
29
Obturator Internus Action
- laterally rotate extended hip - abduct hip when flexed - stabilize hip joint
30
Obturator Internus PA
pelvic surface of obturator membrane and surrounding bones
31
Obturator Internus DA
greater trochanter of femur
32
Obturator Internus Innervation
nerve to obturator internus (L5, S1)
33
Superior/Inferior Gemelli Action
- laterally rotate extended hip - abduct hip when flexed - stabilize hip joint
34
Superior/Inferior Gemelli PA
- superior: ischial spine - inferior: ischial tuberosity
35
Superior/Inferior Gemelli DA
greater trochanter of femur
36
Superior/Inferior Gemelli Innervation
- superior: nerve to obturator internus (L5, S1) - inferior: nerve to quadratus femoris (L5, S1)
37
Quadratus Femoris Action
- laterally rotate hip - stabilize hip joint
38
Quadratus Femoris PA
ischial tuberosity
39
Quadratus Femoris DA
quadrate tubercle
40
Quadratus Femoris Innervation
nerve to quadratus femoris (L5, S1)
41
Adductor Longus Action
adduct hip
42
Adductor Longus PA
body of pubis
43
Adductor Longus DA
linea aspera of femur
44
Adductor Longus Innervation
obturator nerve (L2, L3, L4)
45
Adductor Brevis Action
- adduct hip - to some extent, flexes hip
46
Adductor Brevis PA
body and inferior ramus of pubis
47
Adductor Brevis DA
pectineal line, linea aspera of femur
48
Adductor Brevis Innervation
obturator nerve (L2, L3, L4)
49
Adductor Magnus Action
- adduct hip - adductor part: flex hip - hamstring part: extend hip
50
Adductor Magnus PA
- adductor: inferior pubic ramus, ramus of ischium - hamstring: ischial tuberosity
51
Adductor Magnus DA
- adductor: gluteal tuberosity, linea aspera, medial supracondylar line - hamstring: adductor tubercle of femur
52
Adductor Magnus Innervation
- adductor: obturator nerve (L2, L3, L4) - hamstring: tibial part of sciatic nerve (L4)
53
Gracilis Action
- adduct hip - flex and medially rotate knee
54
Gracilis PA
body and inferior ramus of pubis
55
Gracilis DA
pes anserinus of tibia
56
Gracilis Innervation
obturator nerve (L2, L3)
57
Obturator Externus Action
- laterally rotate hip - stabilize hip joint
58
Obturator Externus PA
margins of obturator foramen, obturator membrane
59
Obturator Externus DA
greater trochanter of femur
60
Obturator Externus Innervation
obturator nerve (L2, L3, L4)

Anatomy 3 (6 decks)

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