If you're looking for a buff upper body, you need to try TRX. This form of suspension training takes body-weight exercises to a whole new level. We set up a TRX system on the roof of Equinox in West LA to teach you three arm and back exercises that will also kick your core into gear. Watch this video to learn more about how TRX works, and then try these moves at your gym.
If you're curious to learn more about TRX, read our interview with its creator, former Navy SEAL Randy Hetrick. He explains why TRX is good for endurance athletes, power lifters, and fitness newbies alike.