21 Minutes a Week? Lets rewind to the From Aerobic to Anaerobic paragraph. This kind of high intensity workout is the most effective for weight loss. warm up, sec high intensity intervals and 2 min cool down.
Original Pin : As runners we tend to focus on building our legs, strengthening our core, eating right and perfecting our running form. What we have most likely overlooked is the element most essential for any activity, our breathing.