London 2012 : Olympians and their abs

Jessica Ennis. These are the stomach muscles that makes half the nation take a long hard look at their exercise programmes Photograph: Jason O'Brien/Action Images

Fellow heptathlon competitor Katarina Johnson-Thompson is as streamlined as Ennis Photograph: Stu Forster/Getty Images

A final gold for Michael Phelps in the pool – his 12,000-calorie a day diet won't have the same effect on everyone's physique Photograph: Clive Rose/Getty Images

Ethiopia's Tirunesh Dibaba Kenene grabs gold in the 10,000m final - will a workout video be next? Photograph: Olivier Morin/AFP/Getty Images

Mexico's Ivan Garcia and German Sanchez took silver in the 10m platform diving competition Photograph: Adam Pretty/Getty Images

Plenty of stomach muscle definition in the heptathlon: here's Switzerland's Ellen Sprunger in the 200m heats Photograph: Olivier Morin/AFP/Getty Images

France's Florent Manaudou celebrates after winning gold in the men's 50m freestyle - a Men's Health cover will surely follow Photograph: Matt Slocum/AP

Brazil's Juliana Silva, showing what she's made of in the beach volleyball Photograph: Marcelo Del Pozo/Reuters

Peter Waterfield and Tom Daley came away from the synchronised diving without a medal but at least their six-packs are well matched Photograph: Steven Paston/Action Images