The sweat was falling and the pounds shedding last Thursday at Focus Fitness Tucson's Turbo Kick class. Instructor Selina Dellafosse punched, kicked and danced as class participants followed along.

As someone who grew up plump, preferring books to sports and eventually adopting fitness as a painful but necessary means to an end, I never realized how eager I could be about group exercise until I ...

Short focussed sets are key to keeping things interesting and unlocking race success. Follow three such workouts below.