Why Do My Stomach Muscles Twitch Visibly After Doing Intense Ab Exercises?
1. Introduction The visible twitching and fluttering of stomach muscles following an intense abdominal workout is a physiological phenomenon clinically defined as benign fasciculation. This rapid, involuntary firing of individual muscle fibers is the direct consequence of profound motor unit fatigue and localized neurotransmitter depletion at the neuromuscular junction. When the abdominal core is subjected … Read more