Pitchers who need UCL reconstruction often lack internal rotation in their shoulder … Matt McCarthy
Word History
First Known Use
1992, in the meaning defined above
Medical Definition
UCL
noun
ˌyü-ˌsē-ˈel
: ulnar collateral ligament
The UCL, or ulnar collateral ligament, can be found on the inside of the elbow and it, along with the lateral collateral ligament, connects the humerus to the ulna. Lindsey Sillhite, The Chicago Daily Herald