When fitness entrepreneur Greg Nigro stepped into the Shark Tank dressed as the "Sultan of Sweat," he was on a mission to secure funding for his innovative workout equipment, Terra-Core.

Shark Tank investor Lori Greiner, in her recent video on Instagram, shared about the dilemma known as the "burnt toast theory.

Singtrix made waves on 'Shark Tank' thanks to its origins in the development of 'Guitar Hero,' but it wasn't all smooth ...

The dance fitness brand has since gained popularity in schools, especially during their assembly, as a way of exercising.