In the six months since Roanne Ho retained her 50m breaststroke title at the Kuala Lumpur SEA Games last year, the 25-year-old has gained 4kg in weight.
"My skinfold (test results, which measure body fat) went down, but my weight went up, so it has to be muscle," said the 1.79m sprinter, who now tips the scales at 75kg.
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