Lecture 18: Gluteal Region

Question 1

gluteus maximus

Answer 1

• P: post iliac crest, PSIS, sacrum, coccyx
• D: gluteal tuberosity (deep) and IT band/Gerdy’s tubercle (superficial)
• A: hip extension and ER
• N: inf gluteal n (L5-S2)

Question 2

what 3 bursae are associated with the glute max?

Answer 2

• trochanteric bursa
• ischial bursa
• gluteofemoral bursa

Question 3

gluteus medius and minimus

Answer 3

• P: ext surface of ala
• D: greater trochanter of femur
• A: hip ABD and IR
• N: sup gluteal n (L5-S1)

Question 4

TFL

Answer 4

• P: ASIS; ant iliac crest
• D: IT band/Gerdy’s tubercle
• A: hip flexion
• N: sup gluteal n (L5-S1)

Question 5

when the glute max and TFL contract together, they will synergize to ____ the hip

Answer 5

ABD

Question 6

piriformis

Answer 6

• P: sacrum
• D: greater trochanter
• A: ER & ABD hip
• N: ventral rami S1,S2

Question 7

obturator internus

Answer 7

• P: internal surface of obturator membrane
• D: greater trochanter (common tendon with gemellis)
• A: ER & ABD hip
• N: ventral rami L5-S1

Question 8

superior and inferior gemelli

Answer 8

• P: ischial spine (sup) and ischial tuberosity (inf)
• D: greater trochanter (common tendon with ob. int.)
• A: ER & ABD hip
• N: ventral rami L5-S1

Question 9

obturator externus

Answer 9

• P: ext surface of obturator foramen/membrane
• D: greater trochanter (post to neck of femur)
• A: ER hip
• N: obturator n. (L3,L4)

Question 10

quadratus femoris

Answer 10

• P: ischial tuberosity
• D: intertrochanteric crest
• A: ER
• N: nerve to quadratus femoris (L5-S1)