compared to a side plank on your hand. Lie on your right side on a mat. Prop yourself up on your forearm, making sure your ...

Touch the elbow. Now take the right leg ... Reach over to the other side for side plank, left hand on the mat. Again, your top leg can be on the floor. Or the legs could be side by side.

You can also bring your right knee to your left elbow, and vice versa, an exercise known as a cross-body mountain climber. Climbing planks require you to start on your forearms, with toes on the ...