The sign of a strong lower body is being able to deadlift something heavy off the floor. The sign of a strong chest is being able to bench press something heavy above you. The sign of a strong core? The stability required to let you deadlift and bench press. “When I train my core, I’m not just chasing abs, I’m focused on building a solid foundation,” explains personal trainer and athlete Dejon Noel-Williams. “For me, it’s all about control, stability, and strength from the inside out. If your deep core isn’t doing its job, everything else eventually breaks down.” Article continues below You may like He recommends ditching the crunches and focusing on building core stability with these three bodyweight moves, which challenge your ability to control and stabilize your whole body. Noel-Williams says he chose these exercises because they require core control to perform properly. “You can make them harder without adding weight by just slowing them down,” he says. “Stay honest with your form and maintain tension where it matters. Master these and …