Medically reviewed by Michael Menna, DO Left arm pain can come on suddenly or be felt for a long time. Anytime someone has ...

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm ...

Unfortunately, amputees often experience excruciating phantom pain in their missing body ... John had lost his left arm just below the elbow three years earlier. "When I play tennis," he said ...

Tennis elbow, or lateral epicondylitis, is a common overuse injury affecting forearm tendons due to repetitive motions.