A baseball pitcher uses a complex motion that produces extraordinary stress on the ulnar collateral ligament (UCL), a slender band of elbow tissue. Extreme elbow force know as torque can contribute to UCL injuries, a common and often career-threatening issue for players.
“The internal rotation of the arm during a pitch is the fastest unassisted human movement ever recorded,” said Adam Barrack, MS, CSCS, a PhD candidate in the Division of Biokinesiology and Physical Therapy at the University of Southern California…
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