The week in sport – in pictures

A joyous Louis Smith seems pleased with his routine on the pommel horse in the artistic gymnastics individual Olympic qualifiers at the O2 Arena, and he had good reason to be as he won the gold medal Photograph: Paul Gilham/Getty Images

A thoughtful and perspiring Andy Murray during his straight sets victory over Edouard Roger-Vasselin Photograph: Jason O'Brien/Action Images

In a scene reminiscent of gulls circling above a harbour, a fleet of kitesurfers, windsurfers and Hobie Cats take part in the Downwind Dash in Langebaan, South Africa. The Downwind Dash is the biggest multi-discipline sailing regatta in Africa Photograph: Nic Bothma/EPA

There's no way that barnet will fit beneath your Ferrari helmet Fernando Photograph: Alessandro Bianchi/Reuters

England's Stuart Broad bowls to Pakistan's Adnan Akmal during the first Test at the Dubai International Cricket Stadium Photograph: Matt Dunham/AP

Jari-Matti Latvala and Miikka Anttila discover the hard way that the WRC Ford Focus isn't suited to hardcore off-roading Photograph: Laurent Cipriani/AP

Mushers and their dogs compete after the mass start of the eighth stage of La Grande Odyssée sled dogs race which crosses the Alps in France covering over 1,000km over 11 days Photograph: Denis Balibouse/Reuters

On the next stage, which takes in the Polar Base in Mont Cenis, the mushers and dogs speed through the night Photograph: Denis Balibouse/Reuters

Jelena Jankovic focuses on the ball as she returns to Chang Kai-chen during their Australian Open second-round singles match. Jankovic won 6-4, 6-2 Photograph: Greg Wood/AFP/Getty Images

Sam Thomas riding Captain Sunshine falls at the last at Kempton as The Druids Nephew and Nick Scolfield, right, powers past and goes on to win Photograph: Alan Crowhurst/Getty Images

Judge Kimura Shozaburo demonstrates that a Sumo ring can be a dangerous place as he is hit by Wakakoyu as Ozeki Baruto pushes him out of the ring at the Grand Sumo New Year Tournament at Ryogoku Kokugikan in Tokyo. Rather unsurprisingly after being hit by a 175kg wrestler travelling at speed, the judge was knocked out and was unconscious for five minutes Photograph: Sankei via Getty Images

Natalya Khramtsova competes in the 3,000m speed skating at the first winter Youth Olympic Games, in Innsbruck Photograph: Reuters

Gymnasts from the Swiss team perform with the ribbon and hoop during the team final of the rhythmic gymnastics London 2012 Olympic qualifier, part of the London Prepares series of test events Photograph: Ben Stansall/AFP/Getty Images

Two wrestling camels fight at the Pamucak arena during the Selcuk-Efes camel wrestling festival in the town of Selcuk, near the coastal city of Izmir. Hundreds of wrestling camels compete in the annual event watched by thousands of enthusiasts in western Turkey Photograph: Murad Sezer/Reuters

WBC heavyweight champion Vitali Klitschko takes on a huge punchbag during a public training session in Kiev ahead of his title bout against Dereck Chisora on 18 February Photograph: Gleb Garanich/Reuters

It's neck and neck in the Alpine parallel team event at the Youth Olympic Games in Patscherkofel, Austria Photograph: Shaun Botterill/Getty Images