anterior thigh

Question 1

what nerve mainly innervates anterior thigh muscles?

Answer 1

femoral nerve

Question 2

what muscles make up anterior thigh?

Answer 2

pectineus, psoas minor, psoas major, illiacus, iliopsoas, sartorius, and quadriceps (vastus lateralis, vastus medialis, vastus intermedius and rectus femoris).

Question 3

which muscles in anterior thigh are innervated by different nerve? what are they innervated by?

Answer 3

psoas minor and psoas major are innervated by anterior rami.

Question 4

what muscle is the prime mover?

Answer 4

iliopsoas

Question 5

what muscles make up the quadriceps?

Answer 5

vastus lateralis
vastus medialis
vastus intermedius
rectus femoris

Question 6

what is the action of anterior thigh?

Answer 6

flexion

Question 7

what is the action and innervation of pectineus?

Answer 7

action: adducts and flexes thigh, assist with medial rotation of thigh.
innervation: femoral nerve

Question 8

what are the attachments of pectineus?

Answer 8

proximal: superior ramus of pubis.
distal: pectineal line of femur.

Question 9

what does sartorius do? and what nerve innervates it?

Answer 9

action: flexes, abducts and laterally rotates thigh at hip joint.; flexes leg at knee joint.
innervation: femoral nerve.

Question 10

where does sartorius attach?

Answer 10

proximal: anterior superior iliac spine.
distal: superior part of medial surface of tibia.