For about the last month, when I do seated dumbell presses, both shoulders have been making a "pop" sound when I'm approximately 50-60% through each rep - upper arm at approximately 45 degrees up from parallel to the floor. I've experienced no pain or other adverse affects, just the noise itself. Strength has continued to increase as well.
Anyone else experience this? If so, is it just a symptom of growth (I've been lifting relatively seriously since the beginning of the year and am up about 18 lbs) or is this something I should be concerned about/see a medical professional? Thanks for any thoughts.