Baseball pitching motion expert Angel Borrelli explains how andwhy Jarrod Parker broke his epicondyle (elbow) and what he can doto avoid a third Tommy John surgery.

Additionally, Angel examines the shoulder woes of DrewSmyly.

Finally, she provides two velocity tips -- one involving thewrist and the other, the glove side arm. Photos illustrating thesetips can be seen here.

Email Angel at angel@gymscience.com

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