SUP Magazine: What Zone 2 Heart Rate Is and How to Calculate Yours

If you're fanatical about powerlifting or new to lifting, you're likely more concerned with shoulder workouts  and perfecting your Arnold press than boosting your VO2 max. Endurance athletes like marathoners, triathletes, and cyclists are more attuned to improving their cardio Don't get us wrong, there's absolutely nothing wrong with wanting to look and feel your best, but if your fitness regimen was created with just strengthening those vanity muscles in mind, you may be skipping ou...