Acute
- Being hit with the ball or a bat, resulting in soft tissue injuries
- Sliding or diving into a base
- Using improper equipment and playing techniques or mechanics
Overuse
- Throwing too much or too hard can injure the shoulder and elbow, particularly the rotator cuff, labrum and biceps
- An acute event may be triggered by repetitive stress and strain on the structures in the arm
- Throwing injuries that affect the elbow including the ulna collateral ligament and medial epicondyle
