Complex sentence: A bigspin inward heel is a 360-degree inward heelflip with a 180-degree body rotation in the same direction.Believed that pro-skater Tom Stano created this trick in an early 1980s skating video.
Split into simpler sentences: A bigspin inward heel is a 360-degree inward heelflip with a 180-degree body rotation in the same direction. It is believed that pro-skater Tom Stano created this trick in an early 1980s skating video.