According to the study, athletes ages 15 to 19 accounted for 56.8 percent of ulnar collateral ligament reconstruction procedures - Tommy John surgery, as it is popularly known - from the start of 2011 through 2015.
According to the study, athletes ages 15 to 19 accounted for 56.8 percent of ulnar collateral ligament reconstruction procedures - Tommy John surgery, as it is popularly known - from the start of 2011 through 2015.