Side Jackknife

Body only Abdominals

The Side Jackknife is a strength movement that targets your abdominals. Here's how to do it with clean form.

How to do the Side Jackknife

  1. Lie on your side with legs straight and bottom arm extended along the floor for balance.
  2. Simultaneously lift your top leg and crunch your torso toward it.
  3. Squeeze at the top, then lower both under control.
  4. Keep your core braced; don't let your hips rock backward.

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