ok, this started probably a few months ago. i would get this tight feeling in my chest/back that if i arched my back, rolled my shoulders back, tipped my head back and kinda "bounced" i could Pop it out... well when it first started it felt like it was my back, but the "pop" sound always seemed to come outta my chest. well lately i can tell that its like my sternum is popping... (same type of "pop" as if you crack your knuckles/neck/etc)
if i cross my arms in front of me making an "X" with my elbows at the center of the "x" i can flex my pecs and i can feel it putting pressure on the area that usually "pops". if i do flex hard i can usually "pop" it right afterwards. sometiems it wont' pop and it can be uncomfortable doing dips/overhead presses/bench/etc.
anyone else ever experience something like this? i imagine something is getting pulled outta place, but its my sternum that is cracking... i dunno wtf it could be. i dont' imainge theres anything that can really be done about it. its more just an annoyance