I am pretty sure I am heavisets and I just took mine and I am between 14 and 15 beats for 10 seconds. At my best (when in shape @ 300) I was around 12 to 13 beats for 10 seconds. SO considering I am at my al time worst I guess my resting heart rate aint to bad. But, I can get that to probably 22 to 23 beats per 10 seconds walking to my car.