Add Yahoo as a preferred source to see more of our stories on Google. By dividing heart rates into five ascending zones, with zone 5 being closest to max heart rate, you can get a good idea of the ...

If you’re starting to venture into the world of riding with data, chances are you’ll have heard of training zones. In a nutshell, training zones enable cyclists to target specific physiological ...

The basic appeal of heart rate-based training is that it offers a scientific approach to optimize your workouts. Whether you’re putting in miles before a marathon, prepping for a big game, or simply ...

Over the summer, a physiologist named Karlman Wasserman, formerly of UCLA, passed away at the age of 93. The name may not ring a bell, but you can consider your next threshold workout an unofficial ...

‘Comfortably hard’ sounds a bit like a contradiction in terms, yet that’s the feeling you’re looking for when you start thinking about thresholds. It’s helpful for runners to know where their lactate ...