Interval Training from a Personal Trainer's Advice
It consists of doing easy pace (Your max Heart Rate zone in the 50-60% category) for 3 minutes followed by starting from 1 minute (leading up to 3 minutes) of heavy work (so that you can barely breathe). Then repeat, over and over. I do 45 minutes of this twice a week. Some people do this once a week to start. But don't do…
