B Bob Dylan New member Aug 27, 2010 #1 I know big football and rugby teams use GPS systems to help training. I know of GPS as pointing out where you are, so it can give you your speed and distance. How does GPS help in telling the heart rate and so on?
I know big football and rugby teams use GPS systems to help training. I know of GPS as pointing out where you are, so it can give you your speed and distance. How does GPS help in telling the heart rate and so on?
