Tired of traditional running? Well, maybe it’s time to try using your hands instead. That’s what Shaun McCarty and other Australians are doing — running on all fours. 1.

McCarthy, who comes from Melbourne, Australia, said he’s the one behind the term “crunning.” “It’s not crawling, it’s not running.” he said. “Crunning is a better workout than running. It puts more of an emphasis（著重）on the body than traditional running does. 2.”

McCarthy thinks that he gets much more exhausted after crunning, so he believes it must burn more calories than running.

3. Some believe crunning could result in bad shoulder injuries or broken noses.

But McCarthy is not worried. Many Melbourne residents have been seen running around on all fours. 4.In the Chinese city of Zhengzhou, crawling, a much slower version of crunning, has been a favourite activity for many years. According to some people there, the exercise is believed to date back two thousand years to the Han Dynasty.

5. Then McCarthy advises you to buy some good shoes, hand gloves and most important of all, a face mask!

A. Ready to give crunning a try?

B. As it turns out, they are not the only ones.

C. Crunning seems more difficult than traditional running.

D. It really exercises your legs and shoulders at the same time.

E. It’s part of the Internet’s latest fitness activities: “Crunning.”

F. However, many are not sure if it is the right exercise for humans.

G. He warns, however, that he can’t say whether crunning is potentially harmful.

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