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DOUBLE FISH

双鱼 β€” the most fundamental parallel-foot S-curve slalom move. Both feet stay together, weaving through cones in an S-line. Looks simple; hides deep mechanics.

Three core requirements​

  1. Feet parallel β€” always side by side
  2. Body faces forward β€” upper body stays front-facing and still
  3. S-curve path through cones

The turning secret​

  • Common mistake: pushing with feet (θΉ¬) β†’ looks like a frog flailing
  • Actual mechanism: waist/hip turning (腰胯转向)
  • Imagine being a puppet controlled only at the waist β€” legs follow
  • If your waist is sore after a set, you're probably doing it right

Force mechanics​

  • Outer foot provides the primary lateral push β€” nearly perpendicular to the cone line
  • Waist/hip contributes supplementary force
  • At zero speed: combined force vector points diagonally upward-forward
  • At skating speed: force is almost purely lateral (ζ¨ͺ向)
  • Knees slightly bent β†’ lower center of gravity β†’ more stability

Why it matters​

  • Foundation of all S-curve movements in slalom
  • Progression: 双鱼 β†’ single-foot S-curve β†’ single-wheel forward weaving
  • Trains core strength and weight transfer control
  • The "invisible base" that makes advanced moves possible

Extensions via movement_extension_method​

  • Element addition: add forward/backward turning β†’ continuous direction-change fish
  • Element substitution: body forward β†’ body sideways β†’ "摆摆" (side-fish)
  • Deconstruction: all-directional body rotation while maintaining parallel feet β†’ "鱼转" (fish spin)

References​