The suspension training program with TRX works best for strengthening your core muscles. For this exercise, you must use your body weight as resistance. It improves abs, abdominals, and back performance. The key to core strengthening is TRX because it offers a proven track record.

Suspension training (which you might know as TRX) has become a mainstay at gyms all over-and for good reason. It's a super effective way to torch your whole body, build strength, and get your heart beating, using just your own bodyweight. (Yeah, you can do that without a TRX too.) But, up until recently, there was little scientific evidence