Posterior Compartment of the Thigh

Question 1

which is the most lateral of the hamstring muscles?

Answer 1

Biceps femoris (has two heads)

Question 2

label the posterior compartment of the thigh

Answer 2

1. Semimembranosus
2. Semitendinosus
3. Long head of biceps femoris
4. Short head of biceps femoris

first three are collectively termed hamstrings

Question 3

what is the action of the hamstring muscles on the hip and knee joint?

Answer 3

hip joint > extension of thigh at the hip
knee joint > flexion of leg

Question 4

which nerve innervates the posterior compartment of the thigh?

Answer 4

sciatic nerve

Question 5

which branch of the femoral artery contributes to the posterior muscle compartment blood supply?

Answer 5

perforating branches of the profunda femoris