Anterior and Medial Hip and Thigh.

Question 1

What is the origin of the Iliopsoas muscle?

Answer 1

Transverse processes and bodies of lumbar vertebrae; Iliac fossa of ilium

Question 2

What is the insertion of the Iliopsoas muscle?

Answer 2

Lesser trochanter of femur

Question 3

What actions does the Iliopsoas muscle perform?

Answer 3

Flexion of thigh at hip joint, flexion of trunk on the hip when sitting from a reclined position

Question 4

What is the innervation of the Iliopsoas muscle?

Answer 4

Lumbar nerves L1-L3 (psoas major); Femoral n. (iliacus)

Question 5

What is the blood supply of the Iliopsoas muscle?

Answer 5

Lumbar arteries, Subcostal a., iliolumbar a.

Question 6

What is the origin of the Sartorius muscle?

Answer 6

Anterior superior iliac spine of ilium

Question 7

What is the insertion of the Sartorius muscle?

Answer 7

Upper medial surface of tibia

Question 8

What actions does the Sartorius muscle perform?

Answer 8

Abduction of thigh, flexion of thigh, lateral rotation of thigh, flexion of leg

Question 9

What is the innervation of the Sartorius muscle?

Answer 9

Femoral N.

Question 10

What is the blood supply of the Sartorius muscle?

Answer 10

Femoral artery

Question 11

What is the origin of the Rectus femoris muscle?

Answer 11

Anterior inferior iliac spine of ilium

Question 12

What is the insertion of the Rectus femoris muscle?

Answer 12

Tibial tuberosity of tibia via quadriceps tendon & patellar ligament

Question 13

What actions does the Rectus femoris muscle perform?

Answer 13

Flexion of thigh, extension of leg

Question 14

What is the innervation of the Rectus femoris muscle?

Answer 14

Femoral n.

Question 15

What is the blood supply of the Rectus femoris muscle?

Answer 15

Profunda femoris, femoral a.

Question 16

What is the origin of the Vastus lateralis muscle?

Answer 16

Greater trochanter of femur, linea aspera of femur

Question 17

What is the insertion of the Vastus lateralis muscle?

Answer 17

Tibial tuberosity of tibia via quadriceps tendon & patellar ligament

Question 18

What action does the Vastus lateralis muscle perform?

Answer 18

Extension of leg

Question 19

What is the innervation of the Vastus lateralis muscle?

Answer 19

Femoral n.

Question 20

What is the blood supply of the Vastus lateralis muscle?

Answer 20

Femoral a., profunda femoris

Question 21

What is the origin of the Vastus intermedius muscle?

Answer 21

Anterolateral surface of femur

Question 22

What is the insertion of the Vastus intermedius muscle?

Answer 22

Tibial tuberosity of tibia via quadriceps tendon & patellar ligament

Question 23

What action does the Vastus intermedius muscle perform?

Answer 23

Extension of leg

Question 24

What is the innervation of the Vastus intermedius muscle?

Answer 24

Femoral n.

Question 25

What is the blood supply of the Vastus intermedius muscle?

Answer 25

Femoral a., profunda femoris

Question 26

What is the origin of the Vastus medialis muscle?

Answer 26

Linea aspera of femur

Question 27

What is the insertion of the Vastus medialis muscle?

Answer 27

Tibial tuberosity of tibia via quadriceps tendon & patellar ligament

Question 28

What action does the Vastus medialis muscle perform?

Answer 28

Extension of leg

Question 29

What is the innervation of the Vastus medialis muscle?

Answer 29

Femoral n.

Question 30

What is the blood supply of the Vastus medialis muscle?

Answer 30

Femoral a., profunda femoris

Question 31

What is the origin of the Gracilis muscle?

Answer 31

Body and inferior ramus of pubis

Question 32

What is the insertion of the Gracilis muscle?

Answer 32

Proximal medial surface of tibia (pes anserine)

Question 33

What actions does the Gracilis muscle perform?

Answer 33

Adduction of thigh, flexion of leg, medial rotation of leg when leg is flexed

Question 34

What is the innervation of the Gracilis muscle?

Answer 34

Obturator N.

Question 35

What is the blood supply of the Gracilis muscle?

Answer 35

Obturator a.

Question 36

What is the origin of the Pectineus muscle?

Answer 36

Superior ramus of pubis

Question 37

What is the insertion of the Pectineus muscle?

Answer 37

Between lesser trochanter of femur and linea aspera of femur (at the pectineal line)

Question 38

What actions does the Pectineus muscle perform?

Answer 38

Adduction of thigh, flexion of thigh, assist medial rotation

Question 39

What is the innervation of the Pectineus muscle?

Answer 39

Femoral N. (sometimes obturator n.)

Question 40

What is the blood supply of the Pectineus muscle?

Answer 40

Femoral a. and Obturator a.

Question 41

What is the origin of the Adductor longus muscle?

Answer 41

Body of pubis

Question 42

What is the insertion of the Adductor longus muscle?

Answer 42

Linea aspera of femur (middle 1/3)

Question 43

What actions does the Adductor longus muscle perform?

Answer 43

Adduction of thigh, flexion of thigh

Question 44

What is the innervation of the Adductor longus muscle?

Answer 44

Obturator N.

Question 45

What is the blood supply of the Adductor longus muscle?

Answer 45

Obturator a., femoral a.

Question 46

What are the origins of the Adductor magnus muscle?

Answer 46

Adductor part: inferior ramus of pubis and ramus of ischium; Hamstring part: ischial tuberosity of ischium

Question 47

What are the insertions of the Adductor magnus muscle?

Answer 47

Adductor part: linea aspera of femur, adductor tubercle of femur; Hamstring part: adductor tubercle of femur

Question 48

What actions does the Adductor magnus muscle perform?

Answer 48

Adducts thigh; adductor part also flexes thigh; hamstring part also extends thigh

Question 49

What is the innervation of the Adductor magnus muscle?

Answer 49

Obturator N. (adductor part); Tibial N. (hamstring part)

Question 50

What is the blood supply of the Adductor magnus muscle?

Answer 50

Obturator a., deep femoral a., femoral a.