WWE Superstar Sheamus aka The Celtic Warrior here... There's no doubt Jimmy & Jey Uso aka The Usos are beasts in the ring and the gym. But introduce Jeff Cavaliere and his Athlean-X Box torture chamber and even the toughest men are brought to their knees. Literally. Jeff showed us a pretty simple looking exercise finisher called Staggered Plyo Push-Ups, 3 sets of 30 reps. No problem, right? Not really, all three of us ended up doing them from the easier novice 'knee' position and they still bloo