Lab 7 Muscles

Question 1

gluteus maximus proximal attachment

Answer 1

posterior part of gluteal surface of ilium, dorsal sacram

Question 2

gluteus maximus distal attachment

Answer 2

IT and gluteal tiberosity

Question 3

gluteus maximus innervation

Answer 3

inferior gluteal nerve

Question 4

gluteus maximus action

Answer 4

extends and externally rotates the hip, abduction

Question 5

gluteus medius proximal attachment

Answer 5

gluteal surface of the ilium

Question 6

gluteus medius distal attachment

Answer 6

greater trochanter

Question 7

gluteus medius action

Answer 7

entire: abducts at hip
anterior: flexion and internal rotation
posterior: extension and external rotation

Question 8

gluteus medius innervation

Answer 8

superior gluteal nerve

Question 9

Piriformis proximal attachment

Answer 9

pelvic surface of sacrum

Question 10

Piriformis distal attachment

Answer 10

greater trochanter

Question 11

piriformis action

Answer 11

external rotation
abduction
extension

Question 12

piriformis innervation

Answer 12

sacral plexus

Question 13

superior gemellus origin

Answer 13

ischial spine

Question 14

inferior gemmelus origin

Answer 14

ichial tuberosity

Question 15

gemelli insertion

Answer 15

obturator internus tendon

Question 16

gemelli action

Answer 16

external rotation
adduction
extension of hip jiont

Question 17

gemelli innervation

Answer 17

sacral plexus

Question 18

quadratus femoris origin

Answer 18

lateral border of ischial tuberosity

Question 19

quadratus femoris insertion

Answer 19

intertrochanteric crest of the femur

Question 20

quadratus femoris action

Answer 20

external rotation and adduction

Question 21

quadratus femoris innervation

Answer 21

sacral plexus

Question 22

gluteus minimus proximal attachment

Answer 22

gluteal surface of the ilium

Question 23

gluteus minimus distal attachment

Answer 23

greater trochanter