Knee - muscles (medial and lateral rotation)

Question 1

What is the medial rotator of the knee?

Answer 1

Popliteus muscle - as it contracts it is able to laterally rotate the femur on the tibia. Unlocks knee extension by pulling the lateral menisci backwards

Question 2

What are the lateral rotators of the knee?

Answer 2

Biceps femoris (long and short head) - attaches laterally so are able to pull laterally and cause lateral rotation