Unit Statistical Report. Data, including losses and payroll by classification, resulting from every workers' compensation insurance policy written in California is reported to the WCIRB in a Unit Statistical Report (USR).
Carpal tunnel syndrome can cause left arm weakness. Tendinitis can cause left arm weakness. Left arm weakness can be an early sign of a heart attack. A sprained elbow can be the cause of left arm weakness. Typing on a keyboard can be hard on the wrists, possibly aggravating carpal tunnel problems. A pinched nerve in the neck may cause left arm weakness.
And your tendons connect your bones to muscles to allow you to move your arm in different ways. If anything happens to any of these parts, not to mention the nerves and blood vessels around them, it can cause you pain. Here are some of the different ways your elbow can hurt: