If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...
This secret to improving your cardiovascular health and endurance: zone 2 heart rate training. By Rachel MacPherson, C.P.T. Zone 2 cardio rate training means working in one of five heart rate zones at ...