Subscap Tightness ๐ โพ๏ธ The Subscapularis is the only rotator cuff muscle that is an accelerator of the shoulder. It attaches from underside of your scap and runs to the front of your shoulder and itโs main role is aiding in transitioning you arm from lay back to acceleration forward ๐ฅ Due to this high demands, some soft tissue maintenance may be Money for you โพ๏ธ With the massive amounts of External rotation that occur in the shoulder during the throw, the subscap plays a huge role in limiting the anterior shift of the humerus at that position and stabilizing it. This anterior shift is an underlying cause for issues such as: Posterior/Internal Impingement, Biceps Tendonopathy, Anterior Capsule damage, and Subscap strains ๐ฏ The TriggerPoint in the subscap causing discomfort in the back of the shoulder. If you have posterior shoulder pain only upon active IR, this may be one possible reason that needs to be addressed with some soft tissue work while also addressing underlying factors Now, letโs get to some underlying factors that could be forcing Subscap to work overtime: 1) Subscap is simply not strong enough to withstand the normal amount of the anterior sheering forces of a throw 2) The Athlete is getting layback purely from the Local GH joint and not utilizing posterior scap tilt and T spine extension to even out the ROM demands 3) The other local stabilizers of the GH joint (supraspinatus, Infraspinatus, TM, etc) are not optimally doing their job, placing increased demands on Subscap Donโt let poor Scapular function force your Subscap to work overtime๐ฅ๐ฅ๐ฅ
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