Exercise library · Abs · Video
Crunch: how to do it
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Lie on your back, feet on the floor
Starting position
Lie on your back with your knees bent, feet on the floor, and hands resting lightly by your head.
The movement
Curl your torso and lift your shoulder blades off the floor, then lower slowly back down.
Most common mistake
Don't pull on your neck, keep your hands light and lift with your abs.
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