Dr Alexis Colvin talks about “kinetic chain” of a pitcher’s delivery
According to Dr. Alexis Colvin, an orthopedic surgeon, sports medicine specialist and associate professor of orthopaedics at the Icahn School of Medicine at Mount Sinai, there are a number of contributing factors. The overspecialization of youth sports, especially with the unhealthy workloads of young pitchers on multiple teams, is a good place to start. Also, the “kinetic chain” of a pitcher’s delivery — from the legs, to the hips, to the core and shoulders — has plenty of moving parts that can be corrupted.
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