10 Possible Causes of Arm Pain – ActiveBeat
If you're experiencing a strange pain, tenderness, or numbness in your arm, and you don't know why, consider the following 10 common causes of arm pain. 1. Broken Arm. A common question posed to a person suffering arm pain might be, "Is it broken?" A break typically occurs in one of 3 bones—the ulna, radius, or humerus.