Subject: RE: HR Zone training & form?My initial thought is that your body may be accustomed to running at a specific intensity/level, i.e above Z2, so much that to do anything else is different and inefficient.
Does your running form change at all when you slow down? This is the only explanation that I can come up with as to why your knees would hurt when running slower. When you slow down, a number of variables can change, such as stride length, etc.
Sometimes I think that slowing down too much makes me twice as inefficient and more prone to fatigue and pain, in the context of a race of course.
Not sure how much you've tried running in Z1 - Z2 yet, but I'd say to just keep on doing it for a few weeks and see if you can get use to it without the pain. |