Gluteal Region Flashcards
Gluteus Maxiumus
O, I, I, F
Origin: posterior gluteal line, dorsal surface of sacrum and coccyx, sacrotuberous ligament
Insertion: gluteal tuberosity of femur and IT tract
innervation: inferior gluteal n. (L5-S2)
function: extend thigh
gluteus medius
O, I, I, F
Origin: outer wing of ilium and deep fascia covering it
Insertion: greater trochanter of femur
innervation: superior gluteal n. (L5)
function: hip abduction, medial rotation
gluteus minimus
O, I, I, F
Origin: outer wing of ilium
Insertion: greater trochanter of femur
innervation: superior gluteal n. (L5)
function: hip abduction, medial rotation
tensor fasciae lata
O, I, I, F
Origin: iliac crest, ASIS
Insertion: IT (iliotibial) tract
innervation: superior gluteal n. (L5)
function: medial rotation of thigh, flexion of knee
piriformis
O, I, I, F
Origin: pelvic surface of sacrum
(passes though greater sciatic foramen)
occupies key position for lateral rotation
Insertion: medial side greater trochanter
innervation: nerve to piriformis (S1-S2)
function: lateral rotation of thigh
obturator internus
O, I, I, F
Origin: pelvic surface of obturator membrane
(goes through lesser sciatic foramen)
Insertion: greater trochanter of femur
innervation: obturator internus n. (L5-S1)
function: lateral rotation of thigh
superior gemellus
O, I, I, F
Origin: ischial spine
Insertion: blends with tendon of obturator internus (greater trochanter of femur)
innervation: obturator internus n.
function: lateral rotation of thigh
inferior gemellus
O, I, I, F
Origin: ischial tuberosity
Insertion: blends with tendon of obturator internus
innervation: nerve to quadratus femoris
function: lateral rotation of thigh
quadratus femoris
O, I, I, F
Origin: ischial tuberosity
Insertion: interotrochanteric crest
innervation: nerve to quadratus femoris
function: lateral rotation of thigh
What supplies the cutaneous nerve supply to the buttock?
superior cluneal n. (L1-L3)
middle cluneal n. (S1-S3)
inferior cluneal n. (Branch of posterior femoral cutaneous nerve
What supplies blood to the gluteal region?
superior gluteal artery=gluteus maximus, gluteus medius, gluteus minimus, tensor fascia latae
inferior gluteal artery=gluteus maximus, obturator internus, gemelli, quadratus femoris, superior hamstrings
What passes through the greater sciatic foramen?
Piriformis, sciatic nerve, superior gluteal artery
What passes through the lesser sciatic foramen
obturator internus
What causes a trochanteric bursitis?
repetitive actions that involve going up in elevation, point tenderness on greater trochanter and pain along IT tract
What causes an ischial bursitis?
repetitive stress. friction bursitis, pain with movement of gluteus Maximus
