Ab wheel rollouts are one of the toughest ab exercises. They require stable shoulders and core strength, but also build strength and mobility if you can successfully do them. However, the wheel can ...
Strengthening your core goes beyond just obtaining a six-pack, it can also reduce injury risk and help you hit your next PR.
One of the more common arguments against direct abdominal training is that heavy compound lifts such as squats, deadlifts, ...