Place your hands under your glutes (butt) in order to reduce the pressure on your back.
Raise your feet up 6 inches off the ground.
Keep your legs together and stable.
Hold for 20 seconds.
Lower feet to the ground.
Variations include raising your feet off the ground and spreading your legs & bringing them back together (while maintaining a 6 inch distance from the floor), adding a crunch while your feet are off the ground, etc.
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