My RH pitcher son developed GIRD (glenohumeral internal rotation deficit) in his right shoulder from years of pitching with a misaligned shoulder. When throwing hard, he habitually cranked back the shoulder very deeply, such that the front of the shoulder ended up facing the second baseline when fully cocked.
Professional/high-level collegiate pitchers don't do that. Their throwing shoulder cocks back into a neutral position, in which the front of the shoulder faces the third baseline. This is the normal, healthy arm/shoulder path.
I'm wondering if the Kinetic Arm would provide enough constraint on the shoulder to help my son keep his shoulder in a neutral position when cocking.
I've heard that the Kinetic Arm doesn't make it impossible to get into bad positions, but that it does exert pressure that encourages a healthier arm path. My son's orthopod is skeptical, but isn't against trying it.
Any thoughts on whether Kinetic Arm would help with this shoulder path problem?
Edit for clarification: My son is 24yo. Former D3 collegiate pitcher/utility player. Topped out at 90mph before the GIRD sapped his velocity. He's working to get back to at least that level.