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正確「捲腹」姿勢比仰臥起坐更有效！每天十分鐘虐腰運動，4個入門級捲腹變化式有感瘦小腹

30 Min ABS WORKOUT at Home, No Equipment

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10 MIN UNBROKEN AB WORKOUT // No Equipment - Caroline Girvan

THE CRUNCH 15 Min ABS Workout / No Equipment - Caroline Girvan