Jillian Michaels doesn't just design workouts for other people on her workout app My Fitness by Jillian Michaels, she actually practices what she preaches. The former The Biggest Loser trainer ...

If you like full-body workouts that focus on pull-push-legs-core, this circuit of these fitness components will challenge you, especially if you go heavy on the lifts and push your maximum on the ...

Most of the TRX abs moves in the circuit below can be performed using a variety of equipment (or with none at all), but incorporating a suspension trainer takes them to the next level, explains ...