Anterior Thigh Muscles

Question 1

Iliopsoas m. is made up of what three muscles

Answer 1

iliacus, psoas minor, psoas major

Question 2

innervation of iliacus m.

Answer 2

femoral n.

Question 3

origin and insertion of ilipsoas m.

Answer 3

O: lateral portion of T12-L5
I: lesser trochanter

Question 4

innervation of psoas major m.

Answer 4

L1-L3 ventral rami

Question 5

innervation of psoas minor m.

Answer 5

L1-L2 ventral rami

Question 6

innervation of sartorius m.

Answer 6

femoral n.

Question 7

function of sartorius m.

Answer 7

flexion, abduction, and lateral rotation of the thigh

flexion of the leg

Question 8

origin and insertion of sartorius m.

Answer 8

O: ASIS
I: pes anserinus

Question 9

what three muscles insert at the pes anserinus

Answer 9

sartorius m.
gracilic m.
semitendinosus m.

Question 10

quadriceps consist of what 4 muscles

Answer 10

vastus lateralis m.
vastus intermedius m.
vastus medialis m.
rectus femoris m.

Question 11

functions of the quadriceps muscles

Answer 11

extension of leg (vastus muscles)

extension of leg and flexion of thigh (rectus femoris)

Question 12

innervation of quadriceps muscles

Answer 12

femoral n.

Question 13

all quad muscles insert at the

Answer 13

tibial tuberosity

Question 14

origin of rectus femoris

Answer 14

AIIS

Question 15

origin of vasti muscles

Answer 15

shaft of femur

Question 16

innervation of pectineus m.

Answer 16

femoral n.

Question 17

functions of pectineus m.

Answer 17

adduction and flexion of thigh

Question 18

origin and attachment of pectineus m.

Answer 18

O: pecten line of pubis
I: pectineal line of femur

Question 19

innervation of adductor longus m.

Answer 19

obturator n.

Question 20

origin and attachment of adductor longus m.

Answer 20

O: body of pubis
I: middle 1/3 of linea aspera on femur

Question 21

function of adductor longus m.

Answer 21

adduction and flexion of thigh

Question 22

innervation of gracilis m.

Answer 22

obturator n.

Question 23

origin and attachment of gracilis m.

Answer 23

O: body of pubis and inferior ramus
I: pes anserinus

Question 24

function of gracilis m.

Answer 24

adduction of thigh and flexion and medially rotation of leg

Question 25

innervation of adductor brevis m.

Answer 25

obturator n.

Question 26

origin and attachment of adductor brevis m.

Answer 26

O: body of pubis and inferior ramus
I: proximal linea aspera on the femur

Question 27

function of adductor brevis m.

Answer 27

adduction and flexion of thigh

Question 28

innervation of obturator externus m.

Answer 28

obturator n.

Question 29

origin and attachments of obturator externus m.

Answer 29

O: external margins of obturator foramen
I: trochanteric fossa

Question 30

proximal and distal attachments of hamstring part of adductor magnus m.

Answer 30

P: ischial tuberosity
D: adductor tubercle of femur

Question 31

proximal and distal attachments of adductor part of adductor magnus m.

Answer 31

P: ischiopubic ramus
D: gluteal tuberosity, linea aspera, medial supracondylar line

Question 32

innervation of adductor part of adductor magnus m.

Answer 32

obturator n.

Question 33

innervation of hamstring part of adductor magnus m.

Answer 33

tibial division of sciatic n.

Question 34

function of adductor magnus m. (each part)

Answer 34

adductor part: adduction and flexion of thigh

hamstring part: adduction and extension of thigh