This ridiculously hard L-sit exercise works your entire body without moving a muscle. These are the progressions you can use to get strong enough to do it. Everyone likes a good challenge. That’s why ...

If you're a CrossFit or Hyrox fan, the chances are you'll have come across the fabled L-sit. An advanced calisthenics move (that's a blend of bodyweight strength and gymnastics, for the unintiated: ...

Everyone likes a good challenge. That's why we all love to hate exercises like burpees. You might not think of isometric exercises—that's planks and wall sits—as on the same level as those high-energy ...