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Crunch
Performing the: A Step-by-Step Tutorial Crunch
Place your hands lightly behind your head, making sure not to pull on your neck.
Engage your core and lift your upper body, keeping your lower back on the ground, until your shoulders are off the floor.
Hold the position for a moment, squeezing your abdominal muscles.
Slowly lower your upper body back to the starting position, maintaining control and not allowing your body to drop back down.
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