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Anatomy > Glutes, Thigh, Popliteal Fossa > Flashcards

Glutes, Thigh, Popliteal Fossa Flashcards

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1
Q

Tensor Fasciae Latae origin

A

Anterior part of iliac crest, iliac tubercle, ASIS, deep surface of fascia lata

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2
Q

Tensor Fasciae Latae insertion

A

Iliotibial tract of fascia lata

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3
Q

Tensor Fasciae Latae action

A
  • Flexes, medically rotates and abducts thigh;
  • tenses fascia lata;
  • may assist in knee extension
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4
Q

Tensor Fasciae Latae innervation

A

Superior gluteal nerve (dorsal divisions of L4, L5, S1)

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5
Q

Gluteus maximus origin

A

External surface- Ala of ilium- posterior to posterior gluteal line

  • iliac crest
  • dorsal surface of sacrum, coccyx, & sacrotuberous ligament
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6
Q

Gluteus Maximus insertion

A
  • Iliotibial tract (which inserts in lateral condyle of tibia)
  • some on gluteal tuberosity of femu
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7
Q

Gluteus Maximus actions

A
  • extends thigh (More in forced movements like climbing/running)
  • assists in lateral rotation
  • steadies thigh flexion (during sitting)
  • extends pelvic when thigh fixed
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8
Q

Gluteus Maximus innervation

A

Inferior gluteal nerve (dorsal divisions of L4,

L5, S1)

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9
Q

Gluteus medius origin

A
  • external surface of ilium

- between anterior and posterior gluteal lines

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10
Q

Gluteus medius insertion

A

Lateral surface of greater trochanter of femur

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11
Q

Gluteus medius action

A
  • ABduction of thigh and medial rotation of thigh (anterior fibers)
  • lateral rotation (posterior fibers)
  • steadies pelvis (tilts) to same side during locomotion allowing opposite side foot to clear ground (fixing of femur and ABduction tilts the pelvis)
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12
Q

Gluteus medius innervation

A

Superior gluteal nerve (dorsal divisions of L4, L5, S1)

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13
Q

Gluteus minimus origin

A
  • external surface of ilium

- between anterior and inferior gluteal lines

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14
Q

Gluteus minimus insertion

A

Anterior surface of greater trochanter of femur

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15
Q

Gluteus minimus action

A
  • ABduction of thigh and medial rotation of thigh

- steadies pelvis like gluteus medius

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16
Q

Gluteus minimus innervation

A

Superior gluteal nerve (dorsal divisions of L4, L5, S1)

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17
Q

Piriformis origin

A
  • anterior surface of sacrum (within the pelvis)

- superior margin of greater sciatic notch and sacrotuberous ligament

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18
Q

Piriformis insertion

A

Superior border of the greater trochanter

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19
Q

Piriformis action

A
  • laterally rotates extended thigh
  • ABducts flexed thigh
  • assists in holding head of femur in acetabulum
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20
Q

Piriformis innervation

A

Dorsal division branches of ventral rami of S1 and S2

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21
Q

Obdurator Externus origin

A
  • rami of pubis and ischium

- external surface of obturator membrane

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22
Q

Obturator externus insertion

A

Trochanteric fossa of femur

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23
Q

Obturator externus action

A

Laterally rotate extended thigh

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24
Q

Obturator externus innervation

A

Obturator nerve (L3, L4)

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25
Gemellus superior origin
ischial spine
26
Gemellus inferior origin
Ischial tuberosity
27
Gemellus insertion
Medial surface of greater trochanter of femur (common tendon with obturator internus)
28
Generous action
Acts with obturator internus
29
Gemellus superior innervation
Nerve to obturator internus
30
Gemellus inferior innervation
Nerve to quadratus femoris
31
Quadratus femoris origin
Lateral border of ischial tuberosity, inferior to gemellus inferior
32
Quadratus femoris insertion
Quadrate tubercle on intertrochanteric crest and inferior to it
33
Quadratus femoris actiono
Laterally rotates thigh and steadies femoral head in acetabulum
34
Quadratus femoris innervation
Nerve to quadratus femoris (ventral divisions of L5-S1)
35
Psoas major origin
- TP of lumbar vertebrae | - sides of bodies T12-L5
36
Psoas major insertion
Strong tendon into lesser trochanter
37
Psoas major innervation
Lumbar plexus-ventral rami L1-3(4)
38
Iliacus origin
- iliacus-superior 2/3 of iliac fossa | - all of sacrum & anterior SI ligament
39
Iliacus insertion
- tendon of psoas - lesser trochanter - shaft of femur inferior to lesser trochanter
40
Iliopsoas action
- with vertebral column fixed with iliacus: iliacus flexes thigh - with thigh fixed acting alone: lateral flexion of vertebral column - acting inferiorly with other side and iliacus flexes the trunk - balances trunk when sitting
41
Tensor fasciae Latae (anterior part of thigh) origin
- ASIS | - iliac crest to iliac tubercle
42
Tensor Fasciae Latae (anterior part of thigh) insertion
Iliotibial tract which attaches to lateral condyle of tibia
43
Tensor Fasciae Latae (anterior part of thigh) action
- abducts - medically rotates and flexes hip - keeps knee extended - steadies trunk on thigh
44
Tensor Fasciae Latae (anterior part of thigh) innervation
Superior gluteal nerve L4-S1
45
Sartorius origin
- ASIS | - superior part of notch inferior
46
Sartorius insertion
Superior part of medial surface of tibia
47
Sartorius action
- flexes - ABducts - laterally rotates thigh at hip - flexes knee
48
Sartorius innervation
Femoral nerve L2-4
49
Quadriceps femoris insertion
Base of patella & via patella ligament to tibial tuberosity
50
Rectus femoris origin
- AIIS | - groove superior to acetabulum
51
Vastus lateralis origin
- greater trochanter | - lateral lip of Linea aspera
52
Vastus intermedius origin
Anterior and lateral surfaces of body of femur
53
Vastus medialis origin
- intertrochanteric line - medial lip of Linea aspera - spiral line
54
Quadriceps femoris action
- extends leg at knee | - Rectus femoris also steadies hip joint and helps iliopsoas flex thigh
55
Quadriceps femoris innervation
Femoral nerve L2-4
56
Pectineus origin
Pectineal line of the pubis
57
Pectineus insertion
Pectineal line of the femur
58
Pectineus action
ADducts and flexes thigh at hip
59
Pectineus innervation
Femoral nerve L2-4 (may also receive obturator nerve also L2-4)
60
Adductor longus origin
Body of pubis inferior to pubic crest
61
Adductor longus insertion
Middle 1/3 of Linea aspera
62
Adductor longus action
ADducts thigh
63
Adductor longus innervation
Obturator nerve L2-4
64
Adductor brevis origin
Body and inferior ramus of pubic bone
65
Adductor brevis insertion
Pectineal line of femur and proximal part of Linea aspera
66
Adductor brevis action
ADducts thigh and aids in flexion
67
Adductor brevis innervation
Obturator nerve L2-4
68
Adductor magnus origin
ADductor part-inferior ramus of pubic bone, ramus of ischium Hamstring part-ischial tuberosity
69
Adductor manus insertion
ADductor part-gluteal tuberosity, Linea aspera, medial supracondylar line Hamstring part-ADductor tubercle of femur
70
Adductor Magnus action
ADductor part-ADducts and flexes thigh | Hamstring part-extends and ADducts thigh
71
Adductor magnus innervation
ADductor part-obturator nerve L2-4 | Hamstring part-tibial portion of sciatic nerveL4(L5-S1)
72
Gracilis origin
Body and inferior ramus of pubic bone
73
Gracilis insertion
Superior part of medial surface of tibia
74
Gracilis action
- ADducts thigh - flexes leg - medial rotation of leg
75
Gracilis innervation
Obturator nerve L2-4
76
Obturator externus origin
- Rami of pubic bone and ischium | - external surface of obturator membrane
77
Obturator externus insertion
Trochanteric fossa of femur
78
Obturator externus action
- laterally rotates extended thigh | - steadies head of femur in acetabulum
79
Obturator externus innervation
Obturator nerve L3-4
80
Semitendinosus origin
Ischial tuberosity
81
Semitendinosus insertion
Medial surface of superior part of tibia
82
Semitendinosus action
- extend thigh - flex leg and medically rotate - when thigh and leg fixed, can extend trunk
83
Semitendinosus innervation
Tibial division of sciatic nerve L5-S2
84
Semimembranosus origin
Common origin on ischial tuberosity with semitendinosus and long head of biceps
85
Semimembranous insertion
- Posterior part of medial condyle of tibia | - Oblique popliteal ligament
86
Semimembranosus action
- extend thigh - flex leg and medically rotate - when thigh and leg fixed, can extend trunk
87
Semimembranosus innervation
Tibial division of sciatic nerve L5-S2
88
Biceps femoris long head origin
Ischial tuberosity
89
Biceps femoris short head origin
Lateral lip of Linea aspera and lateral supracondylar line
90
Biceps femoris insertion
- Lateral side of head of fibula | - Tendon is split by lateral collateral ligament
91
Biceps femoris action
- flexes leg and rotates it laterally | - extends thigh at beginning of walking
92
Biceps femoris long head innervation
Tibial division of sciatic nerve L5-S2
93
Biceps femoris short head innervation
Common peroneal division of sciatic nerve nerve L5-S2

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