Reed exploded out of the sprinting blocks and suddenly felt an extremely sharp pain on the back of his thigh. What muscular problem is Reed most likely experiencing?

Reed exploded out of the sprinting blocks and suddenly felt an extremely sharp pain on the back of his thigh What muscular problem is Reed most likely experienc class=
Reed exploded out of the sprinting blocks and suddenly felt an extremely sharp pain on the back of his thigh What muscular problem is Reed most likely experienc class=
Reed exploded out of the sprinting blocks and suddenly felt an extremely sharp pain on the back of his thigh What muscular problem is Reed most likely experienc class=
Reed exploded out of the sprinting blocks and suddenly felt an extremely sharp pain on the back of his thigh What muscular problem is Reed most likely experienc class=