USFSA Preliminary 3
Forward Power Three-Turns
The skater will perform forward outside three-turns to a balance position followed by a backward crossover. Three to six sets of three-turns will be skated depending on the length of the ice surface. Skaters may begin this move with either right or left foot three-turns. On the second length of the rink, the three-turns will be skated on the opposite foot. Introductory steps and backward crossovers around the end of the rink are optional.
Focus: Power
ref: M13-Forward Power 3-Turns
The 2016 Official U.S. Figure Skating Rulebook
簡單來說:
一個 3 TURN -> 後交叉


USFSA Forward Double Three-Turns
The skater will perform consecutive forward double three-turns on half circles, with alternating of feet. Four to six half circles will be skated depending on the length of the rink and strength of the skater. The sequence begins with forward outside double three-turns covering the first length of the rink. The forward inside double three-turns will cover the second length of the rink. Introductory steps and end patterns are optional.
ref: M37-Forward Double 3-Turns
The 2016 Official U.S. Figure Skating Rulebook
USFSA Backward power three-turns
The skater will perform three to five backward power three-turns per circle in a figure eight pattern. One complete figure eight is required. A one or two-foot glide may be utilized when changing circles. Introductory steps are optional. This move may start in either direction.
Focus: Power, edge quality and extension
ref: M35-Backward Power 3-Turns
The 2016 Official U.S. Figure Skating Rulebook

USFSA FO-BI Three-Turns in the Field
The skater will perform forward three-turns alternating to backward three-turns covering the length of the rink. One length of the rink will start with RFO-LBI three-turns. The number of sets of three-turns will depend on the length of the rink and the strength of the skater. On the second length of the rink, the skater will perform LFO-RBI three-turns. The end sequence and the introductory steps are optional. This move may start on either foot.
ref: M23-FO-BI 3-Turns in the Field
The 2016 Official U.S. Figure Skating Rulebook

from Vladimir Borisenko

USFSA Backward double three-turns
The skater will perform consecutive backward double three-turns on half circles, with alternating feet. Four to six half circles will be skated depending on the length of the rink and strength of the skater. The sequence begins with backward outside double three-turns covering the first length of the rink. The backward inside double three-turns will cover the second length of the rink. Introductory steps and end patterns are optional. Focus: Edge quality and extension
ref: M45-Backward Double 3-Turns
The 2016 Official U.S. Figure Skating Rulebook
USFSA FI-BO Three-Turns in the Field
On one length of the rink, the skater will perform RFI-LBO three-turns. On the other length of the rink, the skater will perform LFI-RBO three-turns. The number of sets of three-turns will depend on the length of the rink and the strength of the skater. The end sequence and the introductory steps are optional. This move may start on either foot.
ref: M25-FI-BO 3-Turns in the Field
The 2016 Official U.S. Figure Skating Rulebook

from Vladimir Borisenko
相關步法:
Ref: Source: THE 2016 OFFICIAL U.S. FIGURE SKATING RULEBOOK

USFSA Preliminary 4
Alternating Forward Three-Turns
Starting from a standing position the skater will perform alternating forward outside three-turns for the width of the rink. The skater will then perform forward inside alternating three-turns for the second width of the rink. The size of the rink and strength of the skater will determine the number of three-turns skated. This move may start on either foot.
ref: M15-Alternating Forward 3-Turns
2006版國家等級步法考試(舊版)
4B-後內外轉3
四級B:該套步法是以後內/外轉3為主,並將前兩級步法加以綜合。通過這一練習可以進一步提高學員滑行的靈活性、流暢性以及相應的滑行控制能力。

USFSA Pre-Preliminary 5
Waltz Eight
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perform the waltz eight, using large circumference circles, completing two patterns on each foot, performed with control.
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start on either foot. Introductory steps are optional or may begin from a standing start. The skater may mark the center.
Focus: Edge quality
ref: M08-Waltz Eight
The 2016 Official U.S. Figure Skating Rulebook