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Beginning (grandma on the left) – For this exercise, you can hold a dumbbell on the top of your shoulders or use no weight. Standing on the ground, bend at the hips while keeping your back flat to 90 degrees, then stand back up.
Intermediate (mom in the middle) – Hold one light to medium weight on the back of your neck and bend at the hips while keeping back flat to 90 degrees. Stand back up to starting position.
Advanced (me on the right) – Hold a heavy weight on the back of your neck, bend at hips keeping back flat to 90 degrees then stand back up to starting position.