Muscles Of The Hip And Pelvis (Nerves And Actions)

Question 1

Name the nerve(s) of psoas major

Answer 1

Lumbar plexus (L1-L4)

Question 2

Name the nerve(s) of psoas minor

Answer 2

Branch from L1

Question 3

Name the nerve(s) of quadratus lumborum

Answer 3

Lumbar plexus (L1-L4)

Question 4

Name the nerve(s) of iliacus

Answer 4

Femoral N (L2-L4)

Question 5

Name the nerve(s) of gluteus maximus

Answer 5

Inferior gluteal n (L5-S2)

Question 6

Name the nerve(s) of gluteus medius

Answer 6

Superior gluteal n (L4-S1)

Question 7

Name the nerve(s) of gluteus minimus

Answer 7

Superior gluteal n (L4-S1)

Question 8

Tensor Fasciae Latae

Answer 8

Superior gluteal n (L4-S1)

Question 9

Name the nerve(s) of piriformis

Answer 9

Nerve to piriformis (S1-S2)

Question 10

Name the nerve(s) of superior gemellus

Answer 10

Nerve to obturator internus and superior gemellus (L5-S2)

Question 11

Name the nerve(s) of obturator internus

Answer 11

Nerve to obturator internus and superior gemellus (L5-S2)

Question 12

Name the nerve(s) of inferior gemellus

Answer 12

Nerve to quadratus femoris and inferior gemellus (L4-S1)

Question 13

Name the nerve(s) of quadratus femoris

Answer 13

Nerve to quadratus femoris and inferior gemellus (L4-S1)

Question 14

Name the nerve(s) of obturator externus

Answer 14

Obturator nerve (L2-L4)

Question 15

Name the actions of psoas major

Answer 15

Flexion at hip joint and flexes trunk of thigh is fixed

Question 16

Name the actions of psoas minor

Answer 16

Weak flexion of trunk

Question 17

Name the actions of quadratus lumborum

Answer 17

Lateral flexion and extension of vertebral column.

Stabilizes 12th rib during inspiration and depresses 12th rib during forced expiration.

Elevates coxal bone.

Question 18

Name the actions of iliacus

Answer 18

Flexion at hip joint

Question 19

Name the actions of gluteus maximus

Answer 19

Extension of hip against resistance and assists external rotation at hip joint.

Assists stabilization in extension at knee joint via iliotibial tract.

Extension of trunk when hip is flexed.

Question 20

Name the actions of gluteus medius

Answer 20

Abduction at hip joint

Anterior: internal rotation and may assist with flexion at hip joint.

Posterior: external rotation and may assist with extension at hip joint.

Question 21

Name the actions of gluteus minimus

Answer 21

Internal rotation and assists abduction at hip joint

Question 21

Name the actions of tensor fasciae latae

Answer 21

Assists flexion, abduction, and medial rotation at hip joint.

Assists in stabilizing knee in extension

Question 22

Name the actions of piriformis

Answer 22

External rotation at hip and assists in abduction of hip when flexed to 90 degrees or greater

Question 23

Name the actions of superior gemellus

Answer 23

External rotation at hip joint

Question 24

Name the actions of obturator internus

Answer 24

External rotation at hip joint

Question 25

Name the actions of inferior gemellus

Answer 25

External rotation at hip joint

Question 26

Name the actions of quadratus femoris

Answer 26

External rotation at hip joint

Question 27

Name the actions of obturator externus

Answer 27

External rotation at hip joint