In this video, Ben demonstrates four dynamic core stability exercises from the plank family - plank splits, side planks, plank side crunches, and side plank leg swings.
When it comes to ab work I start with the plank. People ask why we start here and the answer is simple - because it teaches you how to find and keep neutral spine and the correct bracing sequence.
An 8-minute, no-equipment workout that actually works - sound like a gimmick? Researchers reviewed the literature on bodyweight exercise and came up with this new circuit.