Professional Speedskater Trains to Improve Speedの無料動画を見ましょう
アニメーションの説明：
This professional speedskater did motor pacing while training. He pushed the skates to the side to perform a technique called the double-push while sliding behind a vehicle.
This professional speedskater did motor pacing while training. He pushed the skates to the side to perform a technique called the double-push while sliding behind a vehicle.