During the Screw-Home Mechanism,the Tibia Externally Rotates on the Femur

question 4

Multiple Choice

During the screw-home mechanism,the tibia externally rotates on the femur.What muscle is responsible for "unscrewing" the tibia?

• A) Plantaris
• B) Vastus medialis
• C) Popliteus
• D) Biceps femoris long head

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