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Crunch

A short curl of the upper body to train the abdominal muscles.

Also known as: Crunches, Abdominal crunch, Mavebøjning, Mavebøjninger

How to do it

  1. Lie on your back with knees bent and hands lightly at the sides of your head or across your chest.
  2. Breathe out and curl your ribs toward your hips, lifting the shoulder blades off the floor.
  3. Lower slowly with control.

Common mistakes

Alternatives

Watch a video demonstration on YouTube

“How To: Floor Crunch” by ScottHermanFitness (opens YouTube)

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General technique guidance, not individual advice. Stop if something hurts and talk to a professional about injuries.