Functional training expert and Centr trainer Joseph “Da Rulk” Sakoda joined us live to tell us all about his new functional training class on the Centr App. Functional training is a full-body approach ...

Da Rulk, a celebrity trainer and Plunge spokesperson, joined us live to discuss the benefits of cold plunging. Our very own Sam Rubin was a trooper and took the plunge; his reaction is one to watch.

Chris Hemsworth’s trainer Joseph Sakoda, nicknamed Da Rulk thanks to his insanely buff body, says we really don’t need to be sweating it out in the gym for hours at a time and lifting super heavy ...