Why do my stomach muscles feel sore as if bruised after an intense laugh?

Why do my stomach muscles feel sore as if bruised after an intense laugh?

1. Introduction Feeling a bruised, sore sensation in the stomach muscles after an intense bout of laughing is caused by structural micro-trauma, mechanical fatigue, and the rapid, uncoordinated contraction of the rectus abdominis and diaphragm. Laughter is not merely an emotional response; it is a highly demanding, involuntary physical event. During a heavy laughing fit, … Read more