Single vertical leg crunch on bosu



Begin with the lower back in neutral position, or extend the spine until a slight stretch is felt in the front trunk muscles.


How to Do:

  1. Begin to slowly flex the trunk.
  2. Simultaneously flex one knee and hip and flex both elbows, pulling them in toward the center of the body.
  3. Hold at the end of the trunk flexion movement and continue to extend the knee and elbows until they are straight.
  4. At the end of the movement, the extended leg should be perpendicular to the floor and the arms should be parallel to the floor.
  5. Pause at the end of the movement, then slowly lower back to the starting position.
  6. Perform 8 to 20 repetitions to fatigue.
  7. Alternate the extending leg with each repetition.


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