6. Arthritis:
Arthritis or cervical spondylitis in the shoulders of the left hand can also cause pain. People who do all their work on the computer with the left hand often have a problem with cervical spondylitis, which causes pain in the left arm.
Arthritis or cervical spondylitis in the shoulders of the left hand can also cause pain. People who do all their work on the computer with the left hand often have a problem with cervical spondylitis, which causes pain in the left arm.
