Feb 7, 2009 #1 H Hpt16 New member Joined Sep 5, 2008 Messages 3 Reaction score 0 Points 1 when I move my left arm, my shoulder pops, it doesn't hurt it just makes noise. and I'm not that old, I'm barely 20 years old, and I work out 3 times per week. what could it be?
when I move my left arm, my shoulder pops, it doesn't hurt it just makes noise. and I'm not that old, I'm barely 20 years old, and I work out 3 times per week. what could it be?