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Keep up to date with the latest BBC coverage of news and developments in the run-up to the 2012 Olympic GamesRead more on the London 2012 website
Olympics: London 2012
Full coverage of the build-up to the 2012 Olympic Games in LondonRead more on the BBC Sport website
Bush House Inside Out
BBC World Service celebrates 80 years of international broadcasting with a special day of programmes live from the heart of Bush HouseFind out more about what's happening today
"I've never been involved with an outside broadcast quite as ambitious as this one," says Health Check presenter Claudia Hammond of the various treadmills and running races involved in their special programme from the Bush House tents.
All the tests were designed to analyse what it is that makes athletes' bodies so special.