Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.

I’d argue that we’ve fallen into a trap: overcomplicating our workouts. Drawn in by sparkly new exercises and social media trends, we’ve forgotten that the most effective workouts are actually just ...

The shoulders are one of the most important muscles to develop for an aesthetic physique. Here's how to build them.