TRX training will whip you into shape with just two straps

During TRX training, people slip themselves into special straps and then rely on their own body weight to do exercises such as squats, push-ups or upright rows.

The two straps dangling from a metal frame may look harmless, but if used properly, they can provide an incredibly intense workout. These straps, typically black-and-yellow, are used for TRX training.

People slip themselves into the straps and then rely on their own body weight to do exercises such as squats, push-ups or upright rows. "It's a movement in 3D space," explains personal trainer Marcel Doll.