Causes of a Cracking Shoulder?
The triggers of a cracking shoulder can vary. Depending on if having pain during shoulder popping noises, we will discuss some common causes of the cracking shoulder respectively. Generally speaking, shoulder popping noises without pain is harmless. This type of cracking shoulder usually results from aging, cavitation, previous fractures, and prolonged immobility. In addition, your can also have a cracking shoulder for no reason. The scientists said crepitus in the shoulder can still happen even when tendons and bones work together perfectly.
However, if you have a painful shoulder popping while rotating your arm, it might indicate some of your underlying medical problems. [2]