What it does
- Works the Serratus anterior, which is one of the "scapular anchor" muscles,
and which is often weak.
- Correction of Humeral Anterior Glide: The Diamond press may cause
your shoulder to click or "graunch". Assuming it's not painful, take it as a
good sign. What is happening is that the head of the humerus bone is moving
backward in the shoulder joint to sit in its correct location, away from where
it can impinge on the acromion. If you have
shoulder impingement pain, this exercise may help to correct the likely cause.
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