The 12-Minute Athlete : Get Fitter, Faster, and Stronger Using HIIT and Your Bodyweight
(Reklamlänk)
Unlock your athletic potential and get into the best shape of your life with Krista Stryker’s HIIT and bodyweight workouts—all of which can be done in just minutes a day! If you’ve ever thought you couldn’t get results without spending hours in the gym, that you’d never be able to do a pull-up, or