Bring your other foot on the elevated surface, then step back down carefully and with control. Repeat the move, leading with the opposite foot. Continue, alternating sides with each step.

Beginners can also step back instead of jumping back into the plank. Lastly, instead of jumping up, you can either take that out or just do a heel raise instead of a jump.

When people skip this step, they might experience a big drop in blood pressure, feel dizzy or fatigued, Desai says. How to do it: Spend 10 to 15 minutes doing a low-intensity movement of your ...