Stressed out? This quick but effective Tabata challenge will get your heart pumping and endorphins flowing. Tabata is a form of high-intensity interval training (HIIT), explains Chapman.

You can do the same exercises right at home, and here we share the best ones for you to try. This Tabata workout ... 30-Minute Full-Body CrossFit Workout with Dumbbells This CrossFit workout ...

But to get the benefits of HIIT, you need to be ready to work hard. A true HIIT session involves short bursts of intense ...