Which muscle tendon at the shoulder joint of a baseball player is most likely to be injured due to excessive circumduction?

Supraspinatus  muscle  tendon  is  the  muscle  tendon  at  the  shoulder  joint  of  a  baseball  player  that  is  most  likely  to  be  injured  due  to    excessive  circumduction.  Supraspinatus  is  a  relative  small  muscle  of  the  upper  back.It  runs  from  the  supraspinatous  fossa   to   the  greater tubercle  of  the  humerus. This  muscle  is  used  to  lift    the  arm  up   sideways.  It  is  also  important  in  throwing  sports  as  it  is  the  muscle  that  hold  the  arms.

Enzyme. anything that ends in "ase" is usually an enzyme.