sentences:  If a skater tries to perform a spin and his or her change of foot is too far apart (thus creating two spins instead of one), only the part executed before the change of foot is included in the skater's score.The change of foot is optional for spin combinations and for single-position spins.If he or she falls while entering a spin, the skater can fill the time lost by executing a spin or spinning movement; however, this movement will not be counted as an element.