to keep up some high-intensity work so that you maintain your VO2max, don't forget that no matter how hard you try, you'll struggle to hit high heart rates in most forms of cross-training.Cycling and rowing again give you lower heart rate levels than
to prevent you setting off way too fast and fatiguing early.Mode of exerciseIts important that you use the mode of activity that youre training for. For example, your MHR from a cycle test is almost certain to be lower than your running MHR, unless youre also
