How to do it: Grab a dumbbell and stand tall with the weight in left hand, core engaged, shoulders back, chest proud. Contract abs and lean to the left as you slide the weight down to left knee. Use ...
One study published by the Journal of Orthopaedic and Sports Physical Therapy (JOSPT) found exercises like roll-outs and pikes were “the most effective” at activating the rectus abdominis, internal ...