In which of the following positions do the hamstring muscles become actively insufficient at end ranges?

Question

Quizplus · Accepted Answer

The hamstring muscles become actively insufficient at end ranges during knee flexion with hip extension. This is because the hamstrings are both knee flexors and hip extensors. When the hip is extended while simultaneously trying to flex the knee, the hamstrings are overstretched and cannot generate effective force, leading to active insufficiency.

In Which of the Following Positions Do the Hamstring Muscles