LE OIAN Flashcards

(100 cards)

1
Q

Gluteus Maximus Origin

A
  1. external surface of ilium behind the posterior gluteal line
  2. dorsal surface of sacrum and coccyx
  3. sacrotuberous ligament
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2
Q

Gluteus maximus insertion

A
  1. IT band

2. gluteal tuberosity of the femur

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3
Q

gluteus maximus action

A
  1. extend hip
  2. laterally rotates hip
  3. upper fibers aid slightly to abduct the hip
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4
Q

gluteus maximus innervation

A

nerve: inferior gluteal nerve L5, S1-2

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5
Q

gluteus medius origin

A

outer aspect of ilium (between iliac crest and anterior and posterior gluteal lines)

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6
Q

gluteus medius insertion

A

superior aspect of greater trochanter

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7
Q

gluteus medius action

A

abducts and medially rotates hip

stabilizes pelvis and prevents free limb from sagging during gait

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8
Q

gluteus medius innervation

A

superior gluteal nerve L5, S1

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9
Q

Gluteus minimus origin

A

outer aspect of ilium (between anterior and inferior gluteal lines)

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10
Q

gluteus minimus insertion

A

anterior aspect of greater trochanter

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11
Q

gluteus minimus action

A
  1. medially rotates hip

2. abducts the hip

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12
Q

gluteus minimus innervation

A

superior gluteal nerve L5, S1

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13
Q

Tensor fascia lata origin

A

anterolateral aspect of superior iliac crest

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14
Q

tensor fascia lata insertion

A

onto IT band which the IT tract attaches down at “gerdy’s tubercle” on the tibia

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15
Q

tensor fascia lata action

A
  1. abducts with hip in flexed position
  2. hip flexion
  3. slightly helps with hip medial rotation
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16
Q

Tensor fascia lata innervation

A

Superior gluteal nerve L5, S1

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17
Q

Piriformis origin

A

anterior surface of sacrum

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18
Q

piriformis insertion

A

superior surface of greater trochanter (through greater sciatic foramen)

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19
Q

piriformis action

A
  1. external rotation

2. abduction

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20
Q

piriformis innervation

A

nerve to piriformis S1,2

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21
Q

superior gemellus origin

A

ischial spine

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22
Q

superior gemellus insertion

A

medial aspect superior border of greater trochanter via tendon of obturator internus

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23
Q

superior gemellus action

A

laterally rotates hip

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24
Q

superior gemellus innervation

A

nerve to obturator internus L5, S1-2

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25
obturator internus origin
internal surface of obturator foramen and its boney boundaries
26
obturator internus insertion
medial aspect of greater trochanter (through lesser sciatic foramen
27
obturator internus action
laterally rotates hip
28
obturator internus innervation
nerve to obturator internus L5, S1-2
29
Inferior gemellus origin
ischial tuberosity
30
inferior gemellus insertion
medial aspect of superior borer of greater trochanter via tendon of obturator internus
31
inferior gemellus action
laterally rotates hip
32
inferior gemellus innervation
nerve to quadratus femoris L5, S1
33
obturator externus origin
1. pubis and ischium near obturator foramen | 2. external surface of obturator membrane
34
obturator externus insertion
trochanteric fossa of femur
35
obturator externus action
laterally rotates hip
36
obturator externus innervation
obturator L3,4
37
quadratus femoris origin
ischial tuberosity
38
quadratis femoris insertion
quadrate tubercle
39
quadratus femoris action
1. laterally rotates hip | 2. adducts hip
40
quadratus femoris innervation
nerve to quadratus femoris L5,S1
41
semitendinosus origin
ischial tuberosity
42
semitendinosus insertion
1. anteromedial aspect of the tibial shaft | 2. contributes to pes anserine
43
semitendinosus action
1. extend hip 2. flexes knee 3. medially rotates the tibia (open chain)
44
semitendinosus innervation
tibial L5, S1-2
45
semimembranosus origin
ischial tuberosity
46
semimembranosus insertion
1. posterior medial aspect of the medial tibial condyle
47
semimembranosus action
1. extend hip 2. flexes knee 3. medially rotates the tibia (open chain)
48
semimembranosus innervation
Tibial L5, S1-2
49
biceps femoris origin
long head: ischial tuberosity and sacrotuberous ligament | short head: lateral lip of the linea aspera
50
biceps femoris insertion
head of fibula
51
biceps femoris action
1. flexes knee 2. extend hip (long head) 3. laterally rotates tibia (open chain)
52
biceps femoris innervation
long head: tibial portion of sciatic L5-S2 | short head: common peroneal of sciatic L5-S2
53
iliacus origin
superior 2/3 of iliac fossa, iliac crest & ala of sacrum
54
iliacus insertion
lesser trochanter of the femur
55
iliacus action
flexes hip | externally rotates the femur (hip)
56
iliacus innervation
Femoral (L2,3)
57
psoas major origin
bodies & transverse processes of T12-L5 & associating intervertebral discs
58
psoas major insertion
lesser trochanter of the femur
59
psoas major action
1. flexes hip | 2. externally rotates the femur (hip)
60
psoas major innervation
ventral rami L1-3
61
sartorius origin
ASIS | anterior superior iliac spine
62
sartorius insertion
1. upper medial aspect of proximal tibia | 2. contributes to pes anserinus
63
sartorius action
1. Hip flexion, abduction, external rotation | 2. knee flexion, internal rotation
64
sartorius innervation
Femoral L2,3
65
rectus femoris origin
anterior head: AIIs anterior inferior iliac spine | posterior head: just above the acetabulum
66
rectus femoris insertion
tibial tuberosity
67
rectus femoris action
extends knee, flexes hip
68
rectus femoris innervation
Femoral L2-4
69
vastus lateralis origin
1. greater trochanter | 2. lateral lip of linea aspera
70
vastus lateralis insertion
tibial tuberosity
71
vastus lateralis action
extend knee
72
vastus lateralis innervation
Femoral L2-4
73
vastus medialis origin
1. intertrochanteric line of femur | 2. medial aspect of linea aspera
74
vastus medialis insertion
tibial tuberosity
75
vastus medialis action
extends knee
76
vastus medialis innervation
Femoral L2-4
77
vastus intermedius origin
proximal 2/3 anterior lateral aspect of the femoral shaft
78
vastus intermedius insertion
tibial tuberosity
79
vastus intermedius action
extends knee
80
vastus intermedius innervation
Femoral L2-4
81
gracilis origin
inferior pubic ramus
82
gracilis insertion
1. medial surface of proximal tibia, inferior to tibial condyle 2. contributes to pes anserine
83
gracilis action
1. adducts hip 2. flexes knee 3. medially rotates tibia
84
gracilis innervation
Obturator | L2, 3
85
adductor longus origin
body of pubis
86
adductor longus insertion
medial lip of linea aspera on middle half of femur
87
adductor longus action
1. hip adduction and flexion | 2. external rotation and extension of femur
88
adductor longus innervation
Obturator (L2-4)
89
adductor brevis origin
inferior pubic ramus
90
adductor brevis insertion
superior 1/3 of medial lip of linea aspera
91
adductor brevis action
1. hip adduction and flexion | 2. external rotation and extension of femur
92
adductor brevis innervation
Obturator (L2-4)
93
adductor magnus origin
1. anterior fibers: inferior pubic ramus posterior fibers: ischial tuberosity oblique fibers: ischial ramus
94
adductor magnus insertion
1. medial lip of linea aspera | 2. adductor tubercle
95
adductor magnus action
1. adducts hip 2. posterior fibers extend and laterally rotate the hip 3. anterior fibers slightly flex hip
96
adductor magnus innervation
anterior fibers: obturator (L2-4) | posterior fibers: tibial (L4)
97
pectineus origin
pectineal line of pubis
98
pectineus insertion
pectineal line of femur
99
pectineus action
1. hip adduction 2. flexes hip 3. medially rotates hip
100
pectineus innervation
Femoral (L2,3) and accessory obturator