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Musculoskeletal Anatomy BYU Feland > LE O&I Hip & Thigh > Flashcards

LE O&I Hip & Thigh Flashcards

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 femur

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3
Q

Gluteus maximus action

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

Gluteus maximus innervation

A

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
  1. abducts and medially rotates hip

2. 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 (TFL) origin

A

Anterolateral aspect of superior iliac crest

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14
Q

Tensor fascia lata (TFL) insertion

A

Onto IT band which then the IT tract attaches down at “Gerdy’s tubercle” on the tibia

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15
Q

Tensor fascia lata (TFL) 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 (TFL) 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 border 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 nerve L3,4
37
Quadratus femoris origin
Ischial tuberosity
38
Quadratus 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. Extends hip 2. Flexes knee 3. Medially rotates the tibia (open chain)
44
Semimembranosus origin
Ischial tuberosity
45
Semimembranosus insertion
Posterior medial aspect of the medial tibial condyle
46
Semimembranosus action
1. Extends hip 2. Flexes knee 3. Medially rotates the tibia (open chain)
47
Semimembranosus innervation
Tibial nerve L5, S1-2
48
Biceps femoris origin
Long head: ischial tuberosity and sacrotuberous ligament Short head: lateral lip of the linea aspera
49
Biceps femoris insertion
Head of fibula
50
Biceps femoris action
1. Flexes knee 2. Extends hip (long head) 3. Laterally rotates tibia (open chain)
51
Biceps femoris innervation
Long head: tibial portion of sciatic L5-S2 Short head: common peroneal of sciatic L5-S2
52
Iliacus origin
Superior 2/3 of iliac fossa, iliac crest, & ala of sacrum
53
Iliacus insertion
Lesser trochanter of femur
54
Iliacus action
1. Flexes hip | 2. Externally rotates the femur
55
Iliacus innervation
Femoral nerve L2,3
56
Psoas major origin
Bodies and transverse processes of T12-L5 & associating intervertebral discs
57
Psoas major insertion
Lesser trochanter of the femur
58
Psoas major action
1. Flexes hip | 2. Externally rotates the femur
59
Psoas major innervation
Ventral rami L1-3
60
Sartorius origin
ASIS
61
Sartorius insertion
1. Upper medial aspect of proximal tibia | 2. Contributes to pes anserine
62
Sartorius action
Hip: flexion, abduction, external rotation Knee: flexion, internal rotation
63
Sartorius innervation
Femoral nerve L2,3
64
Rectus femoris origin
Anterior head: AIIS Posterior head: just above the acetabulum
65
Rectus femoris insertion
Tibial tuberosity
66
Rectus femoris action
1. Extends knee | 2. Flexes hip
67
Rectus femoris innervation
Femoral nerve L2-4
68
Vastus lateralis origin
1. Greater trochanter | 2. Lateral lip of linea aspera
69
Vastus lateralis insertion
Tibial tuberosity
70
Vastus lateralis action
Extends knee
71
Vastus lateralis innervation
Femoral nerve L2-4
72
Vastus medialis origin
1. Intertrochanteric line of femur | 2. Medial aspect of linea aspera
73
Vastus medialis insertion
Tibial tuberosity
74
Vastus medialis action
Extends knee
75
Vastus medialis innervation
Femoral nerve L2-4
76
Vastus intermedius origin
Proximal 2/3 anterior lateral aspect of the femoral shaft
77
Vastus intermedius insertion
Tibial tuberosity
78
Vastus intermedius action
Extends knee
79
Vastus intermedius innervation
Femoral nerve L2-4
80
Gracilis origin
Inferior pubic ramus
81
Gracilis insertion
1. Medial surface of proximal tibia, inferior to tibial condyle 2. Contributes to pes anserine
82
Gracilis action
1. Adducts hip 2. Flexes knee 3. Medially rotates tibia
83
Gracilis innervation
Obturator nerve L2,3

Musculoskeletal Anatomy BYU Feland (1 decks)

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