Get a full cardio workout in just 20 minutes with this interval routine.
When you’re short on time, your best bet for an efficient and effective workout is amping up the intensity of your slow-and-steady pace, which will burn more total calories each minute during your workout—and, some speculate, may also suppress your appetite. Whether you prefer to swim, run, bike, hike, or walk, this cardio intervals workout, created by Todd A. Astorino, Ph.D, an associal professor of kinesiology at California State University at San Marcos, will make sure you get the biggest calorie burnout of 20 minutes.
Warm up, moving at a slow pace.
Go all out, pushing yourself as hard and fast as possible.
Active recovery: Catch your breath.
Repeat minutes 5:00 to 7:15 five times.