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The Salchow is a figure skating jump with a takeoff from a back inside edge of one foot. The rotation in the air is made in the direction of the curve of the take-off edge. The landing is made on the back outside edge of the foot opposite the one used for take-off. One or more rotations may be made in the air. It was invented by the Swedish skater Ulrich Salchow in 1909.〔''Figure skating: a celebration'' by Beverly Smith and Dan Diamond. p 18, McClelland & Stewart, ISBN 0771081057〕 ==Technique== The Salchow is normally approached from a forward outside 3-turn on the left foot for a counterclockwise jump. On the left back inside edge after the 3-turn, the skater checks the rotation momentarily with the right foot extended behind and then initiates the jump by swinging the right leg forward and around with a wide, scooping motion. The rotational momentum for the jump is gained by the swinging movement of the free leg and the coordination of the free leg and arms at the point of takeoff. The Salchow can alternately be entered from an inside mohawk turn or from back crossovers.〔''Artistry on ice: figure skating skills and style'' by Nancy Kerrigan and Mary Spencer, p. 71, ISBN 0-7360-3697-0, 2003.〕 As an edge jump, it is usually performed on a circular pattern instead of from a straight-line approach. Occasionally, the Salchow is performed as the second or third jump in a jump combination, following a one-foot Axel or half loop, which land on a back inside edge. The mechanics of a single Salchow are quite similar to those of the waltz jump, the half-rotation jump from a forward outside edge. The Salchow is therefore usually the first full-rotation jump taught to beginning figure skaters.〔(USFSA Free Skate Curriculum )〕 It teaches the skater to check his or her turn and how to jump off the edge rather than the toe pick. An alternate technique used by many skaters on the takeoff for multi-rotation (especially triple and quadruple) Salchow jumps is to allow the free foot (the right foot for a counterclockwise jumper) to rest on the ice while bringing it around to the front, instead of using the scooping motion. Sometimes this is merely the result of a deep knee bend on the takeoff leg. While Salchows performed with this technique have been ratified by the International Skating Union in recent years, some skating purists object to it because in some cases it is clear that the skater is gaining material assist into the jump from pushing off the supposed "free foot", instead of merely skimming it over the ice. For example, Sonia Bianchetti, former chair of the ISU Technical Committee, has referred to the two-footed Salchow entry as "a severe error for which a steep deduction had to be applied by the judges".〔Sonia Bianchetti Garbato: ''Cracked Ice''. ISBN 88-86753-72-1〕 The two-footed Salchow entry is also confusing to spectators because the resulting jump can more strongly resemble a loop jump or toe loop jump than a traditional Salchow. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「salchow jump」の詳細全文を読む スポンサード リンク
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