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.
Knee joints are under a lot of physical stress each day. It is very common to experience pain in one or both knees due to normal wear and tear, physical activity, or injury. Often, if a person has a knee injury or strain, the pain can feel as though it is burning.
Young pitchers who exceed pitch count limits are more prone to elbow injuries. Season statistics of players were compared relative to pitch count limits.