An Olympic sprinter readies for a race. After the sound of the starting gun, she propels herself forward from the starting block and immediately grimaces in pain, grabbing for the back of her thigh. Within 48 hours she begins noticing extensive bruising on the back of her thigh extending into the back of the knee. She now has difficulty rising from a seated position and flexing her knee. Bending at the waist generates more pain.
Which muscle is likely injured?

Options:Gluteus maximusB. PopliteusC. Biceps femorisD. GastrocnemiusE. Iliopsoas

C. Biceps fermoris

Explanation:Biceps fermoris is an important posterior of the thigh,muscle that has a great impact on the knee and the hip of a human being and act in them simultaneously.

The bicep femoris muscle runs over the top of the sciatic nerve, and sometimes the sciatic nerve can get trapped under it and the

Biceps fermoris is one of the major causes of hamstring symptoms which stems from nerve entrapment.

biceps femoris

Explanation:

The most likely muscle to be injured in this situation is the biceps femoris, which is located in the posterior part of the thigh and it is quickly activated and contracted when athletes apply a sudden burst of power in order to quickly gain speed when running. This burst could lead to sprains or tears, in severe cases, of the biceps femoris.