: Rather than just tensing the abs, you learn to root your feet and slightly round the lower back. This structural alignment allows the force of a punch to dissipate through your entire frame into the floor, rather than being absorbed entirely by soft organs. Oblique Strengthening

The gym smelled of old leather and sweat—the scent of "almost there." Leo was hunched over, gasping for air. His coach, a woman with a gaze like a hawk, had just landed a precise, sinking body shot during their sparring session. It wasn't a fast snap; it was a "deep belly punch" that seemed to travel through his core and settle in his spine. "I can't... breathe," Leo wheezed, his knees buckling.

: Severe impact can lead to intestinal damage or even bowel perforation. Systemic Symptoms

Experienced fighters exhale violently (a sharp "Tsss" sound) the microsecond the punch lands. By emptying the lungs, you reduce the pressure in the abdominal cavity. A balloon pops when it is full; a flat balloon absorbs impact.