If you’ve ever seen someone working out with a TRX suspension-training system, two thoughts have probably crossed your mind. (1) That looks like an awesome workout. (2) That looks totally intimidating ...

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.

Eden Monteilh, left, leads a group of women in a workout using the TRX suspension system at Ewa Beach Park. Kaiser Akantara, right, and other participants used TRX straps that create resistance with ...

The Class: I attended the 30-minute TRX Express after completing the required introductory course at Fitness With Insight. The Appeal: The concept is simple. The TRX straps provides strength training ...

TRX can be a workout for truly anywhere. "A tree, a piece of playground equipment, a telephone pole [or] a stop sign" can all become stable anchor points for TRX straps, says Noah Rolland, senior ...