Showing them how it's done! Ripped 78-year-old grandfather celebrates his birthday by leading group

Showing them how it’s done! Ripped 78-year-old grandfather celebrates his birthday by leading group of CrossFit …

The workout has become popular among the CrossFit community – not only in New York, but as far afield as Brazil and Germany – with athletes in gyms the world over trying out the grueling workout themselves. This year, Jacinto’s eye-watering workout …