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1011 ANATOMY > Week 3 Gluteal region > Flashcards

Week 3 Gluteal region Flashcards

1
Q

superior, inferior, lateral, and medial border of gluteal region

A

superior: iliac crest
inferior: gluteal fold
lateral: line from ASIS to greater trochanter
medial: natal cleft

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2
Q

sacrotuberous ligament and its attachments

A

ischial tuberosity
sacrum and coccyx
PSIS (posterior superior iliac spine)
.
.

vertical direction

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2
Q

roof and floor of gluteal region

A

roof: skin
floor: ilium

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2
Q

sacrospinous ligament and its attachments

A

ischial spine
sacrum and coccyx
.

horizontal direction

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3
Q

proximal and distal attachment of gluteus maximus

A

proximal:
- ilium posterior to posterior gluteal line
- dorsal surface of sacrum and coccyx
- sacrotuberous ligament

distal:
- iliotibial tract (superficial 75%)
- gluteal tuberosity (deep 25%)

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4
Q

innervation of gluteus maximus

A

inferior gluteal nerve

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4
Q

main action of gluteus maximus

A

extends hip joint
assist in lateral rotation

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5
Q

proximal and distal attachment of gluteus medius

A

proximal: external surface of ilium between anterior and posterior gluteal lines

distal: lateral surface of greater trochanter of femur

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5
Q

innervation of gluteus medius

A

superior gluteal nerve

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6
Q

main action of gluteus medius

A

abducts and medially rotates hip joint

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7
Q

proximal and distal attachment of gluteus minimus

A

proximal: external surface of ilium between anterior and inferior gluteal lines

distal: anterior surface of greater trochanter of femur

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7
Q

innervation of gluteus minimus

A

superior gluteal nerve

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8
Q

main action of gluteus minimus

A

abducts and medially rotates hip joint

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9
Q

proximal and distal attachment of tensor fasciae latae

A

proximal:
- anterior superior iliac spine (ASIS)
- anterior part of iliac crest

distal:
- iliotibial tract, attaches to lateral condyle of tibia
.

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10
Q

innervation of tensor fasciae latae

A

superior gluteal nerve

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11
Q

main action of tensor fasciae latae

A

abducts and medially rotates hip joint

12
Q

proximal and distal attachment of obturator internus

A

proximal: pelvic surface of obturator membrane and surrounding bones
distal: medial surface of greater trochanter of femur

12
Q

proximal and distal attachment of piriformis

A

proximal:
- anterior surface of sacrum
- sacrotuberous ligament

distal:
- superior border of greater trochanter of femur
.

12
Q

innervation of obturator internus

A

nerve to obturator internus

13
Q

main action of piriformis

A

laterally rotates extended hip joint
stabilise hip joint
abducts hip joint when flexed

13
Q

innveration of piriformis

A

branches of anterior rami S1 and S2

13
Q

main action of obturator internus

A

laterally rotates extended hip joint
stabilise hip joint
abduct hip joint when flexed

14
Q

proximal and distal attachment of superior gemelli

A

proximal: ischial spine
distal: medial surface of greater trochanter of femur

15
Q

innervation of superior gemelli

A

nerve to obturator internus

16
Q

main action of superior gemelli

A

laterally rotates extended hip joint
stabilise hip joint
abduct hip joint when flexed

17
Q

proximal and distal attachment of inferior gemelli

A

proximal: ischial tuberosity
distal: medial surface of greater trochanter of femur

18
Q

innervation of inferior gemelli

A

nerve to quadratus femoris

19
Q

proximal and distal attachment of quadratus femoris

A

proximal: lateral border of ischial tuberosity
distal: intertrochanteric crest of femur

19
Q

main action of inferior gemelli

A

laterally rotates extended hip joint
stabilise hip joint
abduct hip joint when flexed

20
Q

innervation of quadratus femoris

A

nerve to quadratus femoris

21
Q

main action of quadratus femoris

A

laterally rotates hip joint
stabilizes hip joint

21
Q

which muscles are attached to greater trochanter?

A

gluteus medius
gluteus minimus
piriformis
obturator internus
obturator externus
superior and inferior gemelli

22
Q

motor and sensory nerve supply to the gluteal region

A

inferior gluteal nerve
superior gluteal nerve
nerve to obturator internus
nerve to quadratus femoris
posterior cutaneous nerve of the thigh

23
Q

main blood supply to the gluteal region

A

superior gluteal vessels
inferior gluteal vessels

24
Q

contents of lesser sciatic foremen

A

obturator internus

24
Q

contents of greater sciatic foremen (above and below piriformis)

A

above:
superior gluteal nerve and vessels

below:
inferior gluteal nerve and vessels
posterior cutaneous nerve of thigh
sciatic nerve

1011 ANATOMY (13 decks)

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