Although you can’t see the top of my arms I’m holding a pair of light weights. The idea is to keep my arms straight and my core firm and back straight and lift a few inches off the couch. It’s tougher than it looks. #upperbodyandcore #flatstomachworkout #core #abdominals https://www.instagram.com/p/B0a3YJgDBvM/?igshid=k2xa87ux43ey











