FITI/Fitness center & Exercise/H??ng d?n t?p health club/Các bài t?p thon b?ng cho nh?ng ng??i m?i b?t ??uYour browser isn’t supported any more. Update it to have the very best YouTube practical experience and our newest capabilities. Learn more– Hít th? sâu b?ng b?ng và th? ra t? t? b?ng m?i, l?p l?i fifteen-twenty nh?p r?i th? nh? nhàng