Planks are a full-body workout Planks don't just target your abs, but require almost all the major muscle groups in your body to work together. "Planks strengthen your spine, rhomboids ...
"If you're engaging, it ends up making the plank feel a lot tougher," he said. You'll need to keep challenging yourself in order to get stronger (a basic principle of fitness called progressive ...
Below are five basic, bare minimum ab exercises perfect for anyone looking to work their core, as recommended by Lefkowith. The banana hold is a "great isometric option, like the plank ...