MSK Prosection 3 - Anterior Medial Thigh And Knee

Question 1

What are the Anterior thigh muscles?

Answer 1

Sartorius
Vastus lateralis
Vastus medialis
Vastus intermedius
Rectus femoris
Iliopsoas
Pectineus (Kind of)

Question 2

Which 4 anterior thigh muscles insert in the quadriceps tendon?

Answer 2

Rectus femoris
Vastus medialis
Vastus intermedius
Vastus lateralis

Question 3

Where does Sartorius insert?

Answer 3

Pes anserinus

Question 4

Where is pes anserinus?

Answer 4

Medial side of the knee

Question 5

What does Rectus fem, and the vasti muscles do?

Answer 5

Rectus fem = Hip Flexion + Knee extension
Vasti muscles = Knee extension

Question 6

What are all of the anterior thigh muscles innervated by?

Answer 6

Femoral nerve

Question 7

Why is Pectineus kind of an anterior muscle but isn’t?

Answer 7

Only part of it enters the anterior compartment (some medial)
Its innervated by both the femoral and the Obturator nerve

Question 8

What is the function of Sartorius?

Answer 8

Hip and knee Flexion
Lateral rotator

Question 9

Where does Sartorius originate?

Answer 9

Anterior Superior Iliac spine

Question 10

What is the branch of the aorta which supplies all of the thigh muscles

Answer 10

Profunda femoris

Question 11

Describe the way the fibres of the Vastus medialis run:

Answer 11

Obliquely towards the patella pulling it medially helping prevent lateral dislocation

Question 12

What is the function of iliopsoas?

Answer 12

Hip Flexion

Question 13

Where does iliopsoas insert?

Answer 13

Lesser trochanter

Question 14

What are the 4 muscles in the medial compartment of the thigh?

Answer 14

Gracilis
Adductor longus
Adductor brevis
Adductor magnus

Question 15

What is the most medial medial thigh muscle?

Answer 15

Gracilis

Question 16

Which medial thigh muscle is lateral from Gracilis?

Answer 16

Adductor longus

Question 17

Which muscle is underneath Adductor longus?

Answer 17

Adductor brevis

Question 18

Where is adductor Magnus?

Answer 18

Sits underneath adductor brevis

Question 19

What is the adductor hiatus?

Answer 19

The gap between the adductor Magnus and the femur

Question 20

What passes through the adductor hiatus?

Answer 20

The femoral artery and vein become the popliteal artery and vein once they pass through here

Question 21

Where does Gracilis originate?

Answer 21

Inferior rami of pubis
Body of pubis

Question 22

Where does Gracilis insert?

Answer 22

Pes anserinus

Question 23

What is the function of Gracilis?

Answer 23

Knee Flexion
ADduction of hip

Question 24

Where does adductor longus originate?

Answer 24

Pubis

Question 25

Where does adductor longus insert?

Answer 25

Linea aspera of femur

Question 26

What is the function of adductor longus?

Answer 26

ADduction of the thigh

Question 27

Where does Adductor brevis originate?

Answer 27

Body of pubis and inferior pubic rami

Question 28

Where does Adductor brevis insert?

Answer 28

Linea aspera

Question 29

What is the function of Adductor brevis?

Answer 29

ADduction of the thigh

Question 30

Where does Adductor Magnus originate?

Answer 30

ADductor part = inferior pubic rami and rami of ischium

Hamstring part = Ischial tuberosity

Question 31

Where does Adductor Magnus insert?

Answer 31

ADductor part = linea aspera
Hamstring part = adductor tubercle and medial supracondylar line of femur

Question 32

What is the function of ADductor Magnus?

Answer 32

Adduction portion = ADduction of thigh, hip Flexion
Hamstring portion = hip extension