What action(s) does the quadriceps femoris perform on the lower ...

[cookcarl]

What action(s) does the quadriceps femoris perform on the lower leg?
 A) flex the leg at the knee joint
  B) extend the leg at the knee joint
  C) a and b
  D) The muscles listed do not move the lower leg.

Question 2

What action(s) do the gracilis, hamstring, and sartorius muscles perform on the lower leg?
 A) flex the leg at the knee joint
  B) extend the leg at the knee joint
  C) a and b
  D) The muscles listed do not move the lower leg.

[momtoalll]

Answer to Question 1

B

Answer to Question 2

A

[cookcarl]

Thanks for the timely response, appreciate it

[frankwu0507]

Gracias!