Group 5 Muscles

Question 1

Psoas Major origin

Answer 1

T12-L5

Question 2

Psoas Major insertion

Answer 2

Lesser trochanter of femur

Question 3

Psoas Major action

Answer 3

Hip flexion and external rotation

Question 4

Psoas Major nerve

Answer 4

L2-L4

Question 5

Psoas Minor origin

Answer 5

T12 and L1

Question 6

Psoas Minor insertion

Answer 6

Pectineal line and iliopectineal eminence

Question 7

Psoas Minor action

Answer 7

Flexion of the pelvis and lumbar spine

Question 8

Psoas Minor nerve

Answer 8

L1 2

Question 9

Iliacus origin

Answer 9

Superior 2/3 of iliac fossa, iliac crest and ala of sacrum

Question 10

Iliacus insertion

Answer 10

Lesser trochanter of femur

Question 11

Iliacus action

Answer 11

Hip flexion and external rotation

Question 12

Iliacus nerve

Answer 12

Femoral (L2-L4)

Question 13

Pectineus origin

Answer 13

Pectineal line of pubis

Question 14

Pectineus insertion

Answer 14

Pectineal line

Question 15

Pectineus action

Answer 15

Hip adduction, flexion and slight internal rotation

Question 16

Pectineus nerve

Answer 16

Femoral and accessory obturator (L2 3 4)

Question 17

Tensor Fasciae Latae origin

Answer 17

Lateral aspect of anterior superior iliac crest

Question 18

Tensor Fasciae Latae insertion

Answer 18

Fascia lata about halfway down thigh, down to Gerdy’s tubercle on the tibia via the iliotibial tract

Question 19

Tensor Fasciae Latae action

Answer 19

Hip flexion, abduction and internal rotation

Question 20

Tensor Fasciae Latae nerve

Answer 20

Superior gluteal (L4 5 S1)

Question 21

Sartorius origin

Answer 21

Anterior superior spine of ilium and notch inferior

Question 22

Sartorius insertion

Answer 22

Medial aspect of tibia at junction of head and shaft (medial to tuberosity)

Question 23

Sartorius action

Answer 23

Hip flexion, abduction and external rotation, knee flexion and internal rotation

Question 24

Sartorius nerve

Answer 24

Femoral (L2 3 (4))