Recently, I have been doing a lot of cardio training, as part of an exercise regime set for me by a friend and colleague, someone who also needed a 'client' for his personal fitness course in order to give a program to. One of the things we had to do was to measure my heart rate over a certain distance, trying to push my rate to its limit, drop it down and then see how much it could change. I was a bit nervous at first, wondering if I'd be able to do this, and so he walked me through what the machine would do. We used this one, and essentially it just measures your heart rate. Putting it on was relatively easy, and all I had to do was make sure it was on, and ...  Read the complete review