Anterior Thigh Muscles

Question 0

Insertion of Pectinius

Answer 0

Pectinial Line of Femur, just inferior to lesser trochanter

Question 1

Origin of Pecitinius

Answer 1

Superior Ramus of Pubis

Question 2

Innervation of Pectineus

Answer 2

Femoral Nerve (L2,L3); may receive branch of from obturator nerve

Question 3

Action of Pectineus

Answer 3

Adducts and flexes hip joint; assists with medial rotation of hip joint

Question 4

Origin of Sartorius

Answer 4

1) Anterior Superior Iliac Spine

2) Superior Part of Notch Inferior to it

Question 5

Insertion of Sartorius

Answer 5

Superior Part of Medial Surface of Tibia

Question 6

Innervation of Sartorius

Answer 6

Femoral Nerve (L2,L3)

Question 7

Action of Sartorius

Answer 7

Flexes,abducts, and laterally rotates hip joint; flexes knee joint

Question 8

Origin of Psoas Major

Answer 8

1) Sides of T12-L5 vertebral bodies
2) Intervening Intervertebral Discs
3) Transverse Processes of Lumbar Vertebrae

Question 9

Insertion of Psoas Major

Answer 9

Lesser Trochanter of Femur

Question 10

Innervation of Psoas Major

Answer 10

Anterior Rami of Lumbar Nerves (L1,L2,L3)

Question 11

Action of Iliopsoas

Answer 11

Acting Conjointly in flexing hip joint and in stabilizing this joint;
Psoas Major is also a postural that helps control deviation of the trunk and is active during standing

Question 12

Origin of Iliacus

Answer 12

1) Iliac Crest and Iliac Fossa
2) Ala of Sacrum
3) Anterior Sacro-Iliac Ligaments

Question 13

Insertion of Iliacus

Answer 13

Lesser Trochanter of Femur and area inferior to it

Question 14

Innervation of Iliacus

Answer 14

Femoral Nerve (L2,L3)

Question 15

Origin of Rectus Femoris

Answer 15

1) Anterior Inferior Iliac Spine

2) Ilium Superior to Acetabulum