A pull buoy is a flotation device used in swimming to help swimmers focus on their upper body while keeping their legs afloat. It is usually made of foam and is placed between the swimmer's thighs or ankles. The pull buoy helps maintain body position in the water, allowing swimmers to work on their arm stroke, strength, and technique without having to worry about kicking. It is commonly used in swimming training to improve form, endurance, and efficiency in strokes like freestyle and backstroke.

英語での「pull buoy」の定義と意味

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