gluteal muscles Flashcards

1
Q

the gluteal region contains ?

A

hip bone, sacrum, muscles and ligamnets and nerves and vessels

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2
Q

name the two ligaments of the gluteal region

A

sacrospinous and sacrotuberous

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3
Q

sacrospinous ligamnet connects what?

A

sacrum with the ischial spine

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4
Q

sacrotuberous ligament connecs what

A

sacrum with the ischial tuberosity

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5
Q

these two ligaments convert?

A

the greater and lesser scaitci notches into greater and lesser sciatic foramina

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6
Q

mention the muscles of teh gluteal region

A

tensor fascia lata, gluteus maximus , medias , minimus , piriformis , inferior and superior gemellus, quadratus femoris, obturator internus

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7
Q

gluteus maximus origin

A

lumbar fascia, posterior surafce of sacrum vertebra , outer surface of illum behind teh posterior gluteal line

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8
Q

gluteus maximus insertion

A

3/4 attached to teh illiotibial tract and the deepest fibers attached to teh gluteual tuberosity of femur

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9
Q

gluteus maximus nerve

A

inferior gluteal nerve

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10
Q

what muscle is considered to be the main anti graviry muscle

A

gluteus maximus

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11
Q

action of gluteus maximus

A

extends and laterally rotates the thigh at the hip joint and gives stability to both the knee and the hip joint through the illiotibial tract

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12
Q

gluteus medias origin

A

outer surface of illuim between the middle an dposterior gluteul line

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13
Q

gluterus medias insertion

A

greater trcohantar

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14
Q

gluteus medias innervation

A

superior gluteaul nerve

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15
Q

gluteus medias action

A

abducts and mediall rotates the thigh at the hip joint and gives the stability for the pelvis when walking

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16
Q

gluteus minimus origin

A

outer surface of illum betweren the middle and inferior gluteal lines

17
Q

gluteus minimus insertion

A

greater trochantar

18
Q

glutes minimus nerve supply

A

superior gluteal nerve

19
Q

gluteus minimus action

A

abducts and medially rotates teh thigh at the hip joint

20
Q

tensor fascia lata origin

A

outer edge of illiac crest between teh illiac tubercvle and teh anterior superior illiac spine

21
Q

tensor fascia lata insertion

A

illiotibial tract

22
Q

tensor fascia lata inervation

A

superiro gluteal nerve

23
Q

tensor fascia lata action

A

maintains the knee in the extended position

24
Q

piriformis origin

A

anterrior rami of sacral veretebra

25
Q

piriformis insertion

A

greater trochantar

26
Q

piriformis nerve

A

anteriro rami of S1,2

27
Q

piriformis action

A

layerally rotates the thigh at the hip joint

28
Q

what muscle forms an important landmark?

A

the piriformis

29
Q

obturator internus action

A

laterally rotates the thigh at teh hip joint

30
Q

obturator nerve supppy

A

nerve to obturatror internus from sacral plexus

31
Q

superior and inferior gemelli action

A

lateral rotates the thigh at the hip joint

32
Q

superior gemellus nerve

A

nerve to obturator internus

33
Q

inferior gemellus nerev

A

nerve to quadratsu femoris

34
Q

quadratus femoris action

A

laterally rotates teh thigh at the hip joint

35
Q

quadratus femoris nerve

A

nerve to quadratus femoris

36
Q

structures passsing above the piriformis muscle

A

superior gluteal nerve,artery, vein

37
Q

structures passing nelow the piriformis muscle

A

inferior gluteal nerve , artery and vein
potserior cutaneous nerv eof the thigh
peudandal nerve and internal pudendal vessesls
sciatic nerve , nerve to obturator internus and nerve to quadratus femoris

38
Q

what does the trendelenburg test?

A

the hip abductors ( glutues medius and minimus) to seeif they are functioning normally