13 fitness Ejercicios en casa ideas
No Equipment 7 Minute Abs & Core Workout – GymGuider.com
via: www.gymguider.com
An amazing combo of core-strengthening moves and cardio, this circuit is designed to target not only your abs and obliques, but also the muscles in your back, pelvic floor and even your shoulders. Truth be told, it’s better than doing hundreds of crunches. If you’re training for a sport or just for everyday life, you don’t usually use any one muscle in isolation. This