PROSOURCEFIT ABDOMINAL MAT - Erector Crunch

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Lay on your stomach with the thinner end under your hips.
Flex your feet so your toes are the only part of your foot touching the oor.
Place your hands behind your head.
Engage your core and lift your torso off the ground.
Lower torso back down.
Repeat 5 times. Increase repetitions as you build strength.
ERECTOR CRUNCH