gluteal muscles Flashcards
the gluteal region contains ?
hip bone, sacrum, muscles and ligamnets and nerves and vessels
name the two ligaments of the gluteal region
sacrospinous and sacrotuberous
sacrospinous ligamnet connects what?
sacrum with the ischial spine
sacrotuberous ligament connecs what
sacrum with the ischial tuberosity
these two ligaments convert?
the greater and lesser scaitci notches into greater and lesser sciatic foramina
mention the muscles of teh gluteal region
tensor fascia lata, gluteus maximus , medias , minimus , piriformis , inferior and superior gemellus, quadratus femoris, obturator internus
gluteus maximus origin
lumbar fascia, posterior surafce of sacrum vertebra , outer surface of illum behind teh posterior gluteal line
gluteus maximus insertion
3/4 attached to teh illiotibial tract and the deepest fibers attached to teh gluteual tuberosity of femur
gluteus maximus nerve
inferior gluteal nerve
what muscle is considered to be the main anti graviry muscle
gluteus maximus
action of gluteus maximus
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
gluteus medias origin
outer surface of illuim between the middle an dposterior gluteul line
gluterus medias insertion
greater trcohantar
gluteus medias innervation
superior gluteaul nerve
gluteus medias action
abducts and mediall rotates the thigh at the hip joint and gives the stability for the pelvis when walking
gluteus minimus origin
outer surface of illum betweren the middle and inferior gluteal lines
gluteus minimus insertion
greater trochantar
glutes minimus nerve supply
superior gluteal nerve
gluteus minimus action
abducts and medially rotates teh thigh at the hip joint
tensor fascia lata origin
outer edge of illiac crest between teh illiac tubercvle and teh anterior superior illiac spine
tensor fascia lata insertion
illiotibial tract
tensor fascia lata inervation
superiro gluteal nerve
tensor fascia lata action
maintains the knee in the extended position
piriformis origin
anterrior rami of sacral veretebra
piriformis insertion
greater trochantar
piriformis nerve
anteriro rami of S1,2
piriformis action
layerally rotates the thigh at the hip joint
what muscle forms an important landmark?
the piriformis
obturator internus action
laterally rotates the thigh at teh hip joint
obturator nerve supppy
nerve to obturatror internus from sacral plexus
superior and inferior gemelli action
lateral rotates the thigh at the hip joint
superior gemellus nerve
nerve to obturator internus
inferior gemellus nerev
nerve to quadratsu femoris
quadratus femoris action
laterally rotates teh thigh at the hip joint
quadratus femoris nerve
nerve to quadratus femoris
structures passsing above the piriformis muscle
superior gluteal nerve,artery, vein
structures passing nelow the piriformis muscle
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
what does the trendelenburg test?
the hip abductors ( glutues medius and minimus) to seeif they are functioning normally
