The Nordic combined, a combination of cross-country skiing and jumping was one of the original five sports at the first-ever Winter Olympics held in France in 1924. To this day, endurance sports like the biathlon, cross country skiing and the Nordic ...
heart rate Sports Performance VO2 Cardio
Despite growing popularity and adoption of programs incorporating heart rate (HR) zone methodology, aka heart rate training, the fitness industry, in general, appears to lack a solid understanding of the scientific facts and limitations to this ...