We're definitely fans of exercise snacking, but sometimes nothing but a long, sweaty workout will do — and if that's what you're craving, this 45-minute high-intensity interval training workout with ...
While talking to my coworker about my Shape Up series, I mentioned I wanted to take a dance class. She swore by Grit Fitness’ step aerobics class, so I signed up for an evening session. I was pumped.