It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.

VOA: special.2011.04.12

Considered a hero in the deaf community, Parkin is competing in road cycling at the Taipei Deaflympics.

VOA: standard.2009.09.10

The mayor hopes to make London one of the greatest cycling cities in the world, even so,riding a bike through the capital has its challenges.

VOA: standard.2010.07.30

One feature score brought him an Oscar nomination: the 1979 film Breaking Away is about a young man who hopes to become a cycling champion.

VOA: standard.2010.07.20

In addition to Bolt, who claimed the title last year and Federer, who has won it four times in the past, Ethiopian track star Kenesisa Bekele, Spanish cycling champion Alberto Contador, Argentinian football hero Lionel Messi and motor cycling's Valentino Rossi of Italy are also in the running.

VOA: standard.2010.02.11