forearm ache – MySymptom

Why do my forearms ache terribly after using a heavy manual screwdriver?

1. Introduction The aching in your forearms after using a heavy manual screwdriver is caused by acute muscle fatigue and lactic acid buildup from repetitive isometric and concentric contractions. Twisting a screwdriver requires sustained gripping and forceful rotational torque generated by the flexor, extensor, and supinator muscles of the forearm. This continuous mechanical load microtears … Read more

Is it normal to have a persistent dull ache in the forearms after typing?

1. Introduction While remarkably common in modern office environments, a persistent dull ache in the forearms after typing is not a normal physiological state; it indicates the early stages of a repetitive strain injury. This discomfort stems from muscular fatigue, microtrauma to the extensor and flexor tendons, and fascial restriction caused by thousands of small, … Read more