Muscles of Gluteal Region

Question 1

movements of the thigh=movements of the hip joint

Answer 1

flexion/extension, abduction/addiction, medial/lateral rotation

Question 2

what type of joint is the hip joint

Answer 2

super strong synovial joint

Question 3

CLINICAL: broken hip

Answer 3

fracture to the femoral neck; requires surgical replacement of femoral head and acetbelum

Question 4

gluteus maximus

Answer 4

exclusively acts on hip joint (superficial gluteal region)

Question 5

proximal attachment of the gluteus maximus

Answer 5

ilium, sacrum, sacrotuberous ligament

Question 6

distal attachment of the gluteus maximus

Answer 6

iliotibial tract, gluteal tuberosity of femur

Question 7

action of the gluteus maximus

Answer 7

extension and external rotation of the hip

Question 8

innervation of the gluteus maximus

Answer 8

inferior gluteal nerve (L5-S2)

Question 9

blood supply of the gluteus maximus

Answer 9

superior and inferior gluteal arteries

Question 10

tensor fasciae latae

Answer 10

puts pressure on deep veins and muscles (superficial gluteal region)

Question 11

proximal attachment of the tensor fasciae latae

Answer 11

iliac crest

Question 12

distal attachment of the tensor fasciae latae

Answer 12

iliotibial tract

Question 13

action of the tensor fasciae latae

Answer 13

flexion, abduction, and medial rotation of the thigh (stabilizes trunk)

Question 14

innervation of the tensor fasciae latae

Answer 14

superior gluteal nerve (L4-S1)

Question 15

blood supply of the tensor fasciae latae

Answer 15

superior gluteal artery

Question 16

gluteus medius

Answer 16

deep gluteal region

Question 17

proximal attachment of the gluteus medius

Answer 17

posterior surface of ilium

Question 18

distal attachment of the gluteus medius

Answer 18

greater trochanter of femur

Question 19

action of the gluteus medius

Answer 19

abduction of the hip

Question 20

innervation of the gluteus medius

Answer 20

superior gluteal nerve (L4-S1)

Question 21

blood supply of the gluteus medius

Answer 21

superior gluteal artery

Question 22

gluteus minimus

Answer 22

deep gluteal region

Question 23

proximal attachment of the gluteus minimus

Answer 23

posterior surface of the ilium

Question 24

distal attachment of the gluteus minimus

Answer 24

greater trochanter of femur

Question 25

action of the gluteus minimus

Answer 25

abduction of hip

Question 26

innervation of the gluteus minimus

Answer 26

superior gluteal nerve (L4-S1)

Question 27

blood supply of the gluteus minimus

Answer 27

superior gluteal artery

Question 28

CLINICAL: trendelenburg sign

Answer 28

the inability to use the gluteus medius on one side (injury in right would cause you to fall to the left when trying to raise left leg because the right can’t balance itself)