Image
Hamstring

The load and weight of the lower leg produce a clockwise torque about the knee. The lower leg will rotate in a clockwise direction.
If the hamstring muscle at the back of the upper leg contracts with a strong force, it produces an anticlockwise torque that holds the leg up.
Rights: The University of Waikato Te Whare Wānanga o Waikato
Published: 21 June 2007Size: 119.53 KB