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Flutter kick
01
フラッターキック
a rapid, alternating leg movement in swimming where the legs move up and down in a quick, continuous motion
例
Flutter kick is essential for both freestyle and backstroke events.
She focused on her flutter kick during her swimming drills.
The flutter kick helps maintain speed and stability in the water.
He improved his flutter kick by practicing with a kickboard.
She perfected her flutter kick to swim faster in freestyle.