People are wearing this weird mask to get a better workout
53 هزار بار بازدید -
8 سال پیش
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Elevation training masks limit oxygen
Elevation training masks limit oxygen intake, so it's harder to breathe. This allows athletes to get the benefits of high-altitude training.
8 سال پیش
در تاریخ 1395/05/26 منتشر شده
است.
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