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阅读理解
Exercise not only improves your appearance, but also improves your health. Health experts advise people to choose physical activities that they find fun. So, what are some of the most popular forms of exercise in the USA?
Walking tops the list. It is considered to be the ▲ way to get exercise. Walking is also said to be the least harmful to the knees and feet. So, it's a perfect choice for the old.
Another popular form of exercise is jogging. In the 1970s, Bill Bowerman brought jogging to the USA. He did so after seeing the popularity of the activity during a trip to New Zealand in the 1960s. He started the first jogging club in America. He also helped found Nike.
Swimming is also very popular. It was the second most popular sporting activity in America in 2008. The top activity was walking. When one is swimming, the whole body is put to work. It is said that swimming is good for people with special needs, like pregnant (怀孕的) women.
Dancing can also be a fun way to exercise. This is especially true for those who see exercise as something that they should do. A dance fitness programme called Zumba has grown in popularity in recent years. It was created by Beto Perez in Colombia in the 1990s. Later, he brought the programme to the USA. Since then, it has spread around the world.