Sport pictures of the week

Beijing, China: An Australian athlete prepares for a training session at the Shunyi Olympic rowing-canoeing park Photograph: Fred Dufour/AFP

Tokyo, Japan: A boy trains at the Wanpaku sumo-wrestling tournament. About 400 elementary school boys took part in the competition Photograph: Toru Hanai/Reuters

Beijing, China: The Dutch track cycling team trains in the Laoshan Velodrome Photograph: Gero Breloer/EPA

Beijing, China: A detailed shot of a gymnast adjusting his gloves during a practice session Photograph: Clive Brunskill/Getty

Beijing China: Tennis balls on court during a practice session Photograph: Toby Melville/Reuters

Beijing, China: Members of Spain's Olympic synchronized swimming team practice in the pool Photograph: Mark Terrill/AP

Missouri, USA: Kansas City Royals outfielder Mitch Maier prevents a home run during a game against the Boston Red Sox at Kauffman Stadium Photograph: Larry W.Smith/EPA

Prague, Czech Republic: Poland's Tomasz Gollob competes during the Czech Republic Speedway Grand Prix Photograph: David W Cerny/Reuters

Beijing, China: Tine Rasmussen of Denmark prepares to serve during a badminton training session Photograph: Beawiharta/Reuters

Courchevel, France: Norwegian jumper Anders Jacobsen competes during the 3rd round of the FIS ski jumping summer world cup Photograph: Jean-Pierre Clatot/AFP

Macau, China: Great Britain's Frankie Gavin (left) a lightweight and Billy Joe Saunders (welterweight) train at the Westin Resort Photograph: John Giles/PA

London, UK: Spectators watch the action from nearby flats during day one of the 4th npower Test Match between England and South Africa at The Brit Oval Photograph: Hamish Blair/Getty

Beijing, China: Chinese swimmer Wang Qun is seen with marks after cupping treatment Photograph: Michael Kappeler/AFP

California, USA: Simon Tabron of Great Britain practices in the BMX Freestyle Vert during the summer X Games 14 at Home Depot Centre in Carson Photograph: Christian PetersenChristian Petersen/Getty

Beijing, China: A local worker tests his strength lifting weights at the Beijing University of Aeronautics and Astronautics Gymnasium Photograph: Franck Robichon/EPA

Beijing, China: A swimmer practices at the National Aquatics Centre Photograph: Francois-Xavier Marit/AFP

Mathura, India: People compete during a traditional wrestling competition Photograph: Reuters

Beijing, China: A Chinese gymnast performs on the bars during a practice session Photograph: Franck Fife/AFP

Beijing, China: France's Malia Metella adjusts her cap during a training session in the National Aquatics Centre Photograph: Mark J. Terrill/AP

Beijing, China: Australian rowers train for the men's quadruple sculls Photograph: Gregory Bull/AP

Beijing, China: The prosthetic limb of South African swimmer Natalie Du Toit lies on the pool deck during a training session in the National Aquatics Centre Photograph: David J. Phillip/AP