In-Season Shoulder Conditioning:
Helping Preventing Arm Injury
April 13, 2010
(click here for a 2-page .pdf of this newsletter)
There are 2 moments when the arm undergoes enormous stress during pitching:
1) At Maximum External Rotation:
where elbow stress is equal to hanging a 40-lb. weight off of your wrist.
2) After Ball Release:
where this 2001 study showed that the force pulling your shoulder out of socket is equal to your body weight.
Medicine Ball Training: Helping Prevent Arm Injury In-Season
found significant increases in velocity with med ball exercises, 2 of which are here (email me if you'd like the entire study):
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