Open Knee Tucks

Primary muscles
Abs
Secondary muscles
None
Equipment
Body weight
Movement pattern
None

Steps

  1. 1 Sit on a box with your legs extended straight out in front of you.
  2. 2 Place your hands on the box beside your hips for support.
  3. 3 Flex your hips and knees, pulling both knees in towards your chest.
  4. 4 Extend your legs forward, returning to the starting position with your legs straight.

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