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: ...

The L-Sit is the motherlode of core exercises, and requires a combination of strength, flexibility, and control in your arms, shoulders, abs, back, and legs. They’re tough, and require some working up ...

While ab exercises like the situp and crunch tend to get all the glory, there are plenty of other moves that work the region just as effectively. And there is something to be said for adding variety ...

Called the parallette leg lift, it amounts to alternating lifting each leg, and then briefly raising both together. Although, depending on where youre starting, simply pulsing each leg, then the other ...