We’ve all heard the phrase “engage your core” as it relates to lifting. And your core strength is crucial—we’ve written about it in the past—it’s the difference between a crappy deadlift and a great one. Or a mediocre pushup and one with perfect form. Basically, if you’re doing anything requiring some kind of…
Source: LifeHacker – Why You Should Plank Before Squats or Deadlifts