Why are hanging knee raises so hard?

In addition to using the abs, hanging leg raises rely heavily on the serratus anterior for stability , which has a huge effect on the entire abdominal region. You’ll also get additional grip, arm, and shoulder work just by hanging from the bar. Sadly they’re also one of the most commonly butchered exercises.

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How do men do reverse crunches?

Lie on your back with your arms on the floor at your sides, palms facing down. Bend your knees and bring them towards your chest by contracting your abs. As they rise, roll your pelvis to lift your hips off the floor. Squeeze at the top then slowly lower until your thighs are perpendicular to the floor.

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