When you jump from an elevated position you usually bend your knees upon reaching the ground.By doing this,the contact time is about 10 times more than for a stiff-legged landing and the average force your body experiences is reduced by

Question

Quizplus · Accepted Answer

When you bend your knees upon reaching the ground, the contact time increases, which reduces the average force your body experiences. Studies have shown that the reduction in force is roughly proportional to the increase in contact time, with a factor of about 10. Therefore, the best choice is C, which states that the average force your body experiences is reduced by about 10 times.

When You Jump from an Elevated Position You Usually Bend