Determining the cause of a swollen knee can sometimes be challenging. It may an acute condition caused by a traumatic injury or a chronic one which has developed slowly over time.
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.
The aim of this clinical laboratory study was to compare scapular and rotator cuff muscle activation between standard and modified exercises.
Shoulder impingement, which people sometimes call swimmer's shoulder, is a condition that causes pain in the shoulder due to a tendon or bursa rubbing against the shoulder blade.