BOSU Ball 90/90 Crunch

BOSU Ball 90/90 Crunch

How to BOSU Ball 90/90 Crunch

You Should Feel This: Abs

Equipment: BOSU Ball

Trainer: Ashley Steele


  1. Lie with the lower back on a BOSU ball, the hips and knees flexed to 90 degrees and hands stabilizing the head.

  2. Slowly curl your trunk up and forward, pause briefly, and lower to the starting position. Repeat the 90/90 Crunches on the BOSU ball for the specified amount of time.

  3. Be sure not to pull on the head with the hands and concentrate your effort on the abdominal muscles.

  4. You should feel this working the abs, obliques, and hip flexors.

Alternative Exercises:

90/90 Crunch  Ball Crunch

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