Why Do My Forearms Feel Weak and Shaky After Carrying Heavy Luggage?
1. Introduction Forearm weakness and shaking after carrying heavy luggage are the direct physiological results of acute metabolic fatigue and neuromuscular depletion. When you grip a heavy suitcase, the muscles of the forearm are forced into a sustained, isometric contraction. This relentless physical demand rapidly drains cellular energy reserves, accumulates acidic metabolic waste, and disrupts … Read more