Slight rotation between the femur and tibia is possible due to the action of the muscle.

The slight rotation between the femur and tibia is possible due to the action of the popliteus muscle.

Further Explanation:

Movement of the organism generally humans is due to their skeleto-muscular system. This helps in proper movement of organism from one place to another. Various muscle and joints present in the body facilitates normal movement of the humans.

Popliteus muscle is present embedded deep in the knee joint. It mainly serves the purpose of joining and stabilizing the joint of the leg (Knee). This muscle forms the floor of popliteus fossa.

The main function of the popliteus muscle is helping the knee to flex. This can occur in two positions;

a. Open Position

b. Closed Position

1. It helps the tibia to rotate medially when it is in open position.

2. While the close position helps the lateral movement of the femur.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Human Anatomy

Keywords:

Popliteus muscle, knee, joint, slight rotation, femur, tibia, open position, closed position.

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