(Original)"Vaje za trup na TRX-u so resnični izziv." Z rokami ali nogami v TRX-ju imamo samo dve točki stika s tlemi, da pomagamo stabilizirati telo. To pomeni, da moramo res uporabiti mišice trupa. “ When we work our core on the TRX, it’s really challenging ” With hands or feet in the TRX, only have two points of contact with the floor to help stabilize body, which means we have to recruit our core muscles.