Passive vs Active: Why Your Plank Sucks (Plus Two Tips for Making it Bet...
Do planks feel easy? If so, you’re doing them wrong. Here’s how to get the most out of this stability and posture-building exercise.
Three Burpee Technique Flaws and How to Fix Them
If you’ve done this exercise, chances are you’ve done it wrong. Take it from me, I did 100 reps per day for an entire year.