It’s time to give those adductors and love handles some much-needed attention with the challenging Copenhagen Side Plank with Knee Tuck. This exercise isn’t just about a chiseled core—it’s ...

If you make a few adjustments, however, you can turn the modest side plank into a surprisingly tough exercise that challenges ...

If you want an additional challenge, you can give the version of the Copenhagen plank add the knee drives with the lower leg. Why: As if the standard Copenhagen plank didn't provide enough of a ...