Cycling exercise can increase leg strength.

骑车运动能增强腿部力量。

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The subjects viewed anger-inducing scenes before and after 30 minutes of leg-cycling exercise at 65 percent of their maximal oxygen uptake.

受试者以达到其65%最大耗氧量进行腿骑自行车运动，在运动前、后30分钟两次观看愤怒诱导场景。

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Special features include an iPod music player and speakers, an Xbox video game console, a refrigerator filled with drinks and snacks and a cycling exercise machine.

“Pimped Out John”卫生间里配置了iPod音乐播放器、Xbox游戏机、塞满饮料和小吃的冰箱以及健身器材。

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For cardiovascular exercise, weight-bearing, higher-impact activities such as walking, jogging and aerobics are better than nonweight-bearing or lower-impact exercise such as swimming, cycling and elliptical machines, which put less strain on your muscles and bones.

CNN: How much weight is needed to strengthen my bones?

The British Medical Association is also concerned that making cycle helmets compulsory would put many people off cycling, and that the resulting lack of exercise would be more dangerous than the risk of head injuries.

BBC: Cyclist