Lie on your back on the floor and extend your legs, resting your heels on a Swiss ball, to start. Brace your abs and drive ...

Perform each workout (Day I, II, II, and IV) once per week, resting a day between each session. The weights you use for the ...

Here are the training principles you need to know to reveal your six-pack—and exercises to put them into practice.

Training for your goals is about more than one muscle group. This program will lead you to well-rounded gains.

A firm, fast and versatile daily trainer, the Boston 13 continues to refine Adidas’ performance-focused formula – but it ...