The aim of this clinical laboratory study was to compare scapular and rotator cuff muscle activation between standard and modified exercises.
Hearing a cracking or popping in the shoulder can be unsettling. However, unless it accompanies pain, swelling, or other symptoms, joint cracking and popping are generally harmless.
Shoulder pain is the third most common complaint in orthopedic practice, and shoulder impingement is often the cause.1 Shoulder impingement can make reaching overhead difficult, cause pain or discomfort when sleeping, and affect range of motion.
A shoulder dislocation, when the upper arm’s humeral head is forced out of the shoulder’s socket, can usually be realigned fairly easily. To help prevent shoulder instability and future dislocations, either surgical or nonsurgical treatment is recommended.
Frequently, a fractured clavicle (collarbone) can be treated without surgery. However, sometimes the fractured pieces of bone are out of position (displaced) or other factors about the injury or patient make surgery the better treatment option.