Do you need to strengthen your core? If you've ever had a baby, if you spend a lot of time sitting, if you have pain or soreness, if you have a fitness goal or want to move safely and efficiently ...

Love ‘em or hate ‘em, planks are a popular fitness move for a reason: they’re effective. This one move engages the entire body, especially the abs. Planks put the entire core muscle group to work, ...