Ten years ago, Nike designed the first air-cushioned basketball shoe and named it Air Jordan. Today, basketball has gone from the highly anticipated NBA arena to the streets. Air-cushioned shoes have also infiltrated into our lives as a fashion. Having a pair of air-cushioned shoes has become the initial “flying†dream of every sports teenager.
Air cushion shoes are more likely to hurt feet
According to Jia Hongyuan, coach of Beijing Haosha Fitness Center, a pair of air-cushioned sports shoes mainly includes the following parts: laces, upper fabrics, upper leatherette, insole, airbag compound, sole compound, sole hard glue, air cushion design. Among them, the insole is made of a special rebound material, which can effectively absorb part of the reaction force, reduce the burden on the foot, and make it easier and more comfortable to wear. The function of the balloon rubber is to preserve the air in the cushion to provide elasticity and reduce the shock during exercise; The design is designed to mitigate the shock caused by the ankle and ground strikes on a daily walk. It also provides extra shock and support.
However, the scientific community has always been controversial as to whether air-cushion shoes can really provide strong and stable protection for the feet in motion. "Air-cushioned sports shoes are beneficial to the exercise of bouncing, but its stability is poor, and it is easy to cause sprains on the ankle." Hao Weiya, associate professor of the Sports Center of the Sports Research Institute of the State Sport General Administration, questioned the air-cushion shoes in an interview.
Zheng Qingsheng, director of the Beijing Institute of Human Body Mechanics, and Professor Hao have similar views. He believes: “The chance of wearing an air-cushioned sneaker to play basketball is more than four times that of ordinary sports shoes.†“An investigation report pointed out that the ankle was injured. Nearly half of them are playing tribal land injuries when playing basketball, followed by a sharp turn, which accounts for 30%, and collisions with other players, which account for 10%, and most of them are wearing air-cushioned shoes.The researchers speculate that this is because The cushion shoes are soft and comfortable to wear, but they are caused by poor stability when landing."
The height of air cushion shoes affects human health
Most of the cushioned shoes are worn by teenagers during the period of physical growth. Therefore, how to wear air-cushion shoes scientifically is not only concerned with avoiding sports injuries, but also with their physical development. It is understood that in 2002 the Department of Sports Science of the Chinese University of Hong Kong conducted a survey of 335 children aged 12 to 13 years. As a result, it was found that students who wear flat white shoes on physical education classes develop better feet. Professor Hong Youlian of the department believes that children's feet are still under development. Wearing thin-soled shoes helps the foot to fully reach the ground, making the arch and foot muscles grow better. Li Jingxian, the science director of the sports science department of the school, also pointed out that wearing platform shoes or cushioned sports shoes will make the children's feet poorly developed.
Studies have confirmed that the height of the air cushion is also an indispensable factor that affects human health. Director Zheng Qingsheng emphasized: “The height of the sole is extremely elegant. It is closely related to human health.†A typical example is a series of foot diseases caused by high soles, such as hallux valgus and flat foot disease. In addition, the height of the soles also has an indirect effect on the spine. As the height increases, the lumbar spine and the cervical spine become more and more concentrated, resulting in chronic injuries that eventually lead to low back pain and cervical spondylosis.
Buy air cushion shoes are exquisite
Professor Wang Xianghong, head of the Department of Sports of Capital Institute of Physical Education, suggested that when purchasing air-cushioned shoes, we must first consider the age factor: Children aged 1 to 7 should not wear air-cushioned shoes, 8-15-year-olds should wear less air-cushioned shoes, 16 or over. After the bones mature, you can wear air shoes.
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