Poetik Proze New member Apr 28, 2003 #1 How accurate does it have to be if you're following a HIIT plan?
Flavor New member Apr 28, 2003 #3 If you put out your maximum effort, your heart rate will follow. I don't pay any attention to mine, just on going as hard as I can during sprints.
If you put out your maximum effort, your heart rate will follow. I don't pay any attention to mine, just on going as hard as I can during sprints.
