7 tips for better burpees: GET SOME AIR When you’re tired and in the middle of a tough workout, it’s tempting to jump half heartedly on the way up while doing a burpee. KEEP YOUR CORE TIGHT Whether it’s due to fatigue or just poor form, many people forget to keep their abs tight while doing burpees—a big mistake. You should actively be tightening your core (and butt!) during the entire active phase of the burpee, since doing so will not only make the exercise more effective and work your core (meaning you’ll have to do less sit ups later), it’ll improve the...