Bolster Crunch
Description
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Lie on your back and place a small rolled-up towel under the small of your lower back.
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Place your feet flat on the floor about 12 inches apart and your finger tips to the sides of your head.
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Keeping your neck neutral, push your back into the rolled-up towel and roll your upper back off the ground.
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Return slowly to the starting position.
ProTip
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Initiate the crunch at the head, then roll your spine up segmentally into a crunch
Mistakes
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Jutting the chin as you crunch up
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Yanking the head up with the hands