Why do my forearms ache with a dull throb after using a heavy vibrating chainsaw?
1. Introduction The dull, throbbing ache in the forearms after using a heavy vibrating chainsaw is primarily due to acute muscle ischemia and localized metabolic fatigue caused by sustained isometric contraction. The constant need to grip the heavy tool tightly, control its violent kickback forces, and stabilize it against high-frequency engine vibrations forces the forearm … Read more