Thoracic Extension, Weird Pop

adpowah

Active Member
So I've been working on my thoracic extension and working on my posture. It's been going great and my shoulders, chest and neck have all been improving. Sometimes though when I do thoracic extension stretches I get this pop from the middle of my chest. it feels fine, even good, like when you pop your back. It doesn't happen on queue, basically just when I have been overly hunched in for too long. Any idea on what's going on?
 
Could be the sternum or manubreum popping in and out of place. Not a problem unless you hear a loud snapping noise. Or it could just be tendons creating minute air/gas pockets when moving back vertebrae. Unless you experience pain, don't worry about it.
 
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