You might feel silly but sitting on a fitness ball instead of a chair when you watch telly will help tone up your belly.

也许你觉得这样做有点傻，竟然坐在一个减肥球上而不是日常坐惯的椅子上来看电视；

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Skip that poorly positioned office chair in favor of a fitness ball, just make sure the ball is tall enough to keep your posture in line with the tips above.

把不舒服的办公室座椅换成平衡球，只要保证这个平衡球高度足够保持你的姿势满足上面的要求。

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But it was the game that got the ball rolling, the thing that finally convinced me that fitness is more about attitude than weight.

然而，游戏只是一个开端，最终它使我确信，健身中态度远比体重更关键。

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Fitness specialist Steve Ball says it's called the MyActivity Pyramid.

VOA: standard.2010.02.26

Both Bruyninckx and McGreskin have embraced "overload" drills to help tune players' brains, where some might be asked to speak in different languages during fitness training while others are asked to toss a tennis ball around and call out colors during sessions involving the football.

CNN: Mind over matter: Soccer's bid to train the brain

The Hammers' day started badly before they had even kicked a ball, with news that key midfielder Scott Parker had failed a fitness test, along with captain Matthew Upson.

BBC: West Ham 1-1 Blackburn

Paceman Dale Steyn proved his fitness after a broken thumb, however, ensuring the Lions were penned in with a new ball spell of 1-13 from six overs, claiming the wicket of highly-rated Joe Denly.

BBC: South Africa deny battling Lions