Originally Posted by
fatallightning
I do. I'm having difficulties finding the right cadence to get my heart rate up before the legs go kaput. I usually do standing sprints and my legs blow before I can hit zone 5 heart rates. I tried sitting and spinning sprints, hit zone 5 on rep 5 or so. Legs didn't feel as fazed though, not sure which I should focus more on.
Why does it matter what your HR is doing? This doesn't seem like the kind of workout (short intervals) you can do by HR, it doesn't respond fast enough.