Jackknife sit-up

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Jackknife sit-up

Waist · Body weight

Target muscles

Abs

Also works

Hip flexors

How to do it

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  1. 1Lie flat on your back with your legs extended and your arms overhead.
  2. 2Engage your core and lift your legs and upper body simultaneously, reaching your hands towards your toes.
  3. 3Pause for a moment at the top, then slowly lower your legs and upper body back down to the starting position.
  4. 4Repeat for the desired number of repetitions.

Exercise text from exercises-dataset by Hasan Emir Yıldırım, MIT License. Credits