For tougher, more advanced workouts, a number of so - called suspension training systems have been developed. (moneysense.ca)
Even while working arms or legs, Suspension Training ® constantly challenges your core for a true total - body workout. (trxtraining.com)
Suspension training uses gravity and your bodyweight to give you hundreds of exercises that can enhance your strength, conditioning, and agility like no other tool available. (onnit.com)