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🎥 获取更多仰泳技巧：#shorts 📲 MySwimPro 训练应用程序：🏅 VIP Facebook 群组：🚀 7 天游泳更快指南：📚 像专业书一样游泳：👕 获取 MySwimPro 商品：🏊♀️ 购买游泳装备：💨 10% 折扣Airofit 的带有代码 MySwimPro10 的呼吸训练器：
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I think there’s a distinction between different types of backstrokers. You get those that are a more powerful swimmer so 50/100 which have a slightly lower head to get more power out of the arms, then the 200 which is more flat and technical. That’s what I see anyway.
Excelente….muy bien. Gracias
Why usually some of these videos isn't complete… I want to know how to get the full video or the date of puplishment even if it's payed