73-year-old with 6-pack abs stuns with 100 pull-ups a day

A 73-year-old man has gone viral for maintaining a sculpted six-pack well into his seventies. Speaking to fitness coach Mark Langowski, he revealed his disciplined routine of doing 100 pull-ups daily, alternating with push-ups, following a low-carb diet, and using minimal supplements like whey protein and creatine.