Aerials involve floating in the air while using a hand to hold the board on his or her feet or by keeping constant and careful pressure on the board with the feet to keep it from floating away. This class of tricks was first popularized when Tony Alva became famous for his Frontside Airs in empty swimming pools in the late 1970s and has expanded to include the bulk of skateboarding tricks to this day, including the Ollie and all of its variations.
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