The popping sound in your joints is you exploding bursae, tiny balls of synovial fluid. (you may have heard of bursitis inflamation of the bursae)
It's not all that bad, the released fluid does lubricate joints, but if it becomes a chronic thing that you do, you could cause damage.
As always- None of my statements are evaluated by the FDA.
My advice is not intended to diagnose, treat, cure or prevent any diseases unless prescribed by a health practitioner. All information is provided for educational purposes only and should not replace the advice of your medical doctor.
(but your medical doctor will probably end up killing you