Muscles of the Thigh Anterior View

Question 1

what is the origin, insertion, action and innervation of iliopsoas?

Answer 1

origin: iliac fossa, lumbar vertebrae
insertion: lesser trochanter
action: flexion of the trunk (flexion, adduction and lateral rotation of the high at the hip joint)
innervation: femoral nerve

Compromised of two seperate muscles

1. Psoas Major
2. Iliacus

Question 2

what is the origin, insertion, action and innervation of the tensor fasciae latae?

Answer 2

origin: iliac crest, ASIS
insertion: IT band
action: flexion and medial rotation of the high at the hip joint
innervation: superior gluteal nerve

Question 3

what is the origin, insertion, action and innervation of sarorius?

Answer 3

origin: ASIS
insertion: upper medial tibia
action: flexion, abduction, lateral rotation of the thigh at the hip joint and flexion of the leg at the knee joint (FALF)
innervation: femoral nerve

Question 4

what is the origin, insertion, action and innervation of the femoral nerve?

Answer 4

origin: pubis
insertion: upper femur
action: adduct and flex the thigh at the hip joint
innervation: femoral nerve

Question 5

what is the origin, insertion, action and innervation of the adductor lungus?

Answer 5

origin: pubis
insertion: linea aspera
action: adduct and flex the thigh at the hip joint
innervation: obturator nerve

Question 6

what is the origin, insertion, action and innervation of the adductor magnus (adductor part)

Answer 6

origin: ischiopubic ramus
insertion: linea aspera
action: adduct and flex the high at the hip joint
innervation: obturator nerve

Question 7

what is the origin, insertion, action and innervation of the adductor magnus (extensor part)

Answer 7

origin: ischial tuberosity
insertion: adductor tubercle
action: extension of the thigh at the hip joint
innervation: sciatic nerve

Question 8

what is the origin, insertion, action, and innervation of the gracilis?

Answer 8

origin: pubis
insertion: upper medial tibia
action: adduct and flex the thigh at the hip joint
innervation: obturator nerve

Question 9

what is the origin, insertion, action, and innervation of the retus femoris?

Answer 9

origin: AIIS, Acetabulum
insertion: tibial tubersoty
action: flexion of the high at the hip joint and extension of the leg at the knee joint
innervation: femoral nerve

Question 10

what is the orgin, insertion, action, and innervation of the vastus lateralis?

Answer 10

origin: greater tochanter and linea aspera
insertion: tibial tuberosity
action: extend the leg at the knee joint
innervation: femoral nerve

Question 11

what is the origin, insertion, action, and innervation of vastus intermedius?

Answer 11

origin: upper femur
insertion: tibial tuberosity
action: extend the leg at the knee joint
innervation: femoral nerve

Question 12

what is the origin, insertion, action and innervation of the vastus medialis?

Answer 12

origin: linea aspera
insertion: tibial tuberosity
action: extend the leg at the knee jont
innervation: femoral nerve

Question 13

what muscles share

origin: pubis
innervation: obturator nerve

Answer 13

• adductor longus
• gracilis

Question 14

which muscles share the

origin: asis

Answer 14

• tensor fasciae latae
• sartorius

Question 15

which muscles innervate from the femoral nerve?

Answer 15

• sartorius
• pactineus
• rectus femoris
• vastus lateralis
• vastus intermedius
• vastus medialis

Question 16

which muscles share the

action: extend the leg at the knee joint
insertion: tibial tubersotiy
innervation: femoral nerve

Answer 16

• vastus lateralis
• vastus medialis
• vastus intermedius

Question 17

which muscles share the

action: adduct and flex the thigh at the hip joint
innervation: obturator nerve
insertion: linea aspera

Answer 17

• adductor magnus (adductor part)
• adductor longus

Question 18

which muscles share the

action: adduct and flex the thigh at the hip joint

Answer 18

• pectineus
• adductor longus
• adductor magnus (adductor part)
• gracialis