Fitness instructors are the “rockstars” of their industry. That’s why Les Mills spent 3 years making a YouTube docuseries to put them in the spotlight.

If someone were to come up and ask you, What’s the biggest sport in the world?, what would your answer be? Soccer? Cricket? Basketball? You’re not wrong. Those are all top-watched sports. But even their robust player populations pale in comparison to the number of people participating in the world’s actual #1 sport: going to […] Visit Tubefilter for more great stories.