Want a stronger core? Skip the sit-ups - Harvard Health

Want a stronger core? Skip the sit-ups - Harvard Health

Healthbeat

Want a stronger core? Skip the sit-ups

Sit-ups once ruled as the way to tighter abs and a slimmer waistline, while "planks" were merely flooring. Now planks — exercises in which you assume a position and hold it — are the gold standard for working your core, while classic sit-ups and crunches have fallen out of favor. Why the shift?