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How to choose the best hula hoop (adult sized )
Measure your height from the floor to your belly button.
This measurement will then help to determine the diameter of the hoop you should purchase. The hula hoop, when resting vertically on the ground, should reach somewhere between your waist and mid-chest.
This is your base diameter measurement and can be adjusted slightly depending on your size and experience level. For example, most adults will begin with a hula hoop between 40 and 44 inches in diameter.