Personal data of American gymnasts sean johnson and Sacramento.

Shawn johnson, a female gymnast, is a new star in American gymnastics. He started gymnastics training from 65438 to 0995, and studied under China coach Qiao Liang. He is an all-around athlete, and his strength is floor exercise. At the 2007 World Gymnastics Championships in Stuttgart, she was a blockbuster, winning three consecutive championships in women's team, individual all-around and floor exercise, winning the best gymnast in the International Sports Federation that year, and even being praised by the media as the "pocket version of Khorkina". In 2007, he won the individual all-around championship in the national championship, and then he began to suffer from injuries. In 2008, he won a gold medal and three silver medals at the Beijing Olympic Games. 20 12 On June 4th, shawn johnson announced that she had decided to retire because of an injury to her left knee.

2. Alicia Sacramone, an American female gymnast, was born on February 3rd, 1987. She joined the American national team in 2003, won the silver medal in the women's team at the Beijing Olympic Games in 2008, and won 10 medal at the World Gymnastics Championships, surpassing the records of American women's gymnastics Olympic champions shannon miller and Liu Jin. Sacramento began to learn dance at the age of 3 and began gymnastics training five years later. In 2002, he began to participate in the world series.

Gymnastics is an irregular physical exercise with bare hands or with the help of equipment, which is often called "competitive gymnastics". There are two kinds of ancient gymnastics in China: one is to strengthen the body and prevent diseases, and the most representative one is the "guided fitness" in the classic of ancient pharmacy "Neijing". The unearthed guide map is more than 2 100 years ago, which is not only early, but also very rich in content: physical exercise, breathing exercise, equipment exercise and so on. The other kind exists in ancient music and dance, acrobatics, drama and folk sports. The official name of modern gymnastics is competitive gymnastics, which is a branch of gymnastics. This is a complex and coordinated action on the specified equipment, and it is scored according to the score of the action or the difficulty, arrangement and completion of the action.