Sculpt your core with this five move core workout by January 2018 cover model Tiffiny Hall.GEAR: none!GO: 20 seconds’ work, 10 seconds’ rest, 4–6 rounds (push yourself!)1. V-snap to push-up with a sexy rollWhat a move! This exercise works your whole body, focusing on your core and adding a cardio twist. We all know we can’t spot-reduce fat, so it makes sense to combine a core-strengthening exercise with full-body function movements to burn calories, right?» First up, the V-snap.