The TRX system, otherwise known as Total Resistance Exercises, is a specialized fitness tool and a form of suspension training. Former U.S. Navy SEAL Randy Hetrick originally designed the TRX ...
Which suspension trainers are best? Designed by U.S. Navy SEAL Randy Hetrick while deployed away from his base and later sold by the company he founded, Total Resistance eXercise (TRX), suspension ...
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