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.
Mild Elbow Pain. 1  What You Should Know: Elbow pain can be caused by many things. Muscle strain and overuse can cause elbow pain. 2  Cold or Heat: Some people find that a cold or heat pack helps with the pain. Cold Pack: For pain or swelling, use a cold pack or ice wrapped in a wet cloth.