If you have a shoulder bursitis it is often creates pain radiating into the side of the shoulder. This can be the result of over head activities like tennis, swimming and barbell work at the gym. Doing chores in the garden like pruning over head can also irritate a bursae as can gym workouts with repeated lateral arm movements. Trying to look like Arnold Schwarzenegger for the summer can be one way to create a bursitis but some of us are just unlucky and develop it from non r