anterior thigh (acting on hip joint)

Question 1

psoas major: pa

Answer 1

sides of T12-L5 vertebrae and disk in between them

TP L1-L5

Question 2

psoas major: da

Answer 2

lesser trochanter

Question 3

psoas major: nerve

Answer 3

anterior rami of L1, L2, L3

Question 4

psoas major: ma

Answer 4

with the origin fixed:
hip flexion
hip external rotation

with the insertion fixed:
trunk flexion toward the thigh
pelvic anterior tilt

stabilizes hip joint when standing

Question 5

iliacus: pa

Answer 5

iliac fossa
sacrum
anterior sacroiliac ligaments

(ISA)

Question 6

iliacus: da

Answer 6

lesser trochanter
psoas tendon

Question 7

iliacus: nerve

Answer 7

femoral nerve L2, L3, L4

Question 8

iliacus: ma

Answer 8

With the origin fixed:
- Hip FLEXION
- Hip LATERAL ROTATION

With the insertion fixed:
- Trunk FLEXION toward the thigh
- Pelvic ANTERIOR TILT

Question 9

pectineus: pa

Answer 9

superior pubic ramus

Question 10

pectineus: da

Answer 10

pectineal line of femur

Question 11

pectineus: nerve

Answer 11

femoral nerve L2, L3

may receive a branch from obturator nerve

Question 12

pectineus: ma

Answer 12

Hip ADDUCTION

slightly flexes hip

assists with hip external rotation

Question 13

sartorius: pa

Answer 13

anterior superior iliac spine (ASIS)

Question 14

sartorius: da

Answer 14

pes anserine of tibia

Question 15

sartorius: nerve

Answer 15

femoral nerve L2, L3

Question 16

sartorius: ma

Answer 16

at the hip:
flexion
abduction
external rotation

at the knee:
flexion
internal rotation when flexed