Ski jumpers' crotch areas continue to be an unexpected talking point at the Winter Olympics.

Claims that jumpers were injecting their penises with hyaluronic acid before being measured for their suits were first made in the German newspaper Bild last month.

While several ski jumpers have reacted to the reports with scepticism and officials have sought to dismiss the affair as "wild rumour", the controversy rumbles on.

Watch the video to hear Bild journalist Antonia Maiwald explain how this could impact the sport.