Add Yahoo as a preferred source to see more of our stories on Google. Skip the Situps—This 10-Minute Workout Hits Your Abs With One Piece of Equipment originally appeared on Men's Fitness. Ditch the ...

Ever wonder what the best TRX workout for you is? Personal trainers share their favorite workouts with the gym accessory.

Megan Roup, who's been the trainer to Dakota Johnson, Miranda Kerr, Molly Sims, Elsa Hosk and Whitney Port, has developed a series of exercises that can be done in under 10 minutes. (Photo: Courtesy ...