Whole9 guest post by Coach Rut, who has over a quarter century of fitness coaching experience and holds academic degrees in biology and physical education, and Master’s degrees in exercise physiology and sports biomechanics. Overall, I find heart rate monitors useful but annoying. Most people who buy them use them only as a speedometer, which completely defeats the purpose. Another annoyance stems from the total anal controlling behaviors that develop when an athlete starts training with a … [Read more...]