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The world has basically reached a consensus on how high-heeled shoes “mutilate†women's feet, but we have no vigilance with the flat-bottomed, toe-free flip-flops. The unique way of wearing sandals may be more deadly than high-heeled shoes.
Even on the beach, flip flops are not suitable for long wear. If you use a flip flop, it is harmless.
This summer, as long as you wander through Beijing's Shin Kong Place, Shanghai Plaza 66, and Hong Kong's IFC Mall, you should have seen women wearing silk dresses and sandals with flip-flops hanging around in these fashionable and upscale shopping malls. Some flip-flop brands have glued rhinestones on flip flops this year. They have replaced the civilian sandals that have been walking on the beach with a gorgeous piece of clothing, matching it with the clothes on different occasions in the summer. I hope you wear them. Flip back to the beach, street food stalls, high-end shopping malls, restaurants... In short, flip flops are suitable for any occasion this summer.
Regarding this trend, Wendi Weime, an associate professor of biomechanics at Auburn University in the United States, holds a completely opposite idea - flip-flops are simply not suitable for wearing all day long. Wearing flip-flops often causes pain and inflammation in many parts of the body, from the feet to the hip joints.
Fatal than high-heeled shoes
In 2005, women's hockey players from the Northwestern University wore flip-flops while posing with the Bush in the White House. Later, in order to raise the cost of surgery for a 10-year-old brain tumor patient, these flip flops, which were recorded together with Bush Jr., were all auctioned.
The hockey player wearing a flip flop posing with Bush caused a controversy at the time. Fashion expert Meghan Cleary said that this historical significance is no less than the first public appearance of blue jeans.
Cleary's prophecy was achieved. Flip-flops are rampant around the world and are as popular as jeans. Flip flops, which used to appear mainly in beaches, swimming pools and public bathrooms, have spread over the streets. Wearing a cool and convenient flip-flop, it was affixed with a fashionable, popular label and became the sandal of choice for summer celebrities like Faye Wong, Paris Hilton, Katherine Zeta Jones and other celebrities.
The world has basically reached a consensus on how high-heeled shoes “mutilate†women's feet. However, for the flat-bottomed flip-flops, everyone is not vigilant. Researchers at Auburn University found that wearing flip-flops may be more deadly than high-heeled shoes.
Little tricks create big trouble
When the summer vacation ended, when students returned to school, the number of people who came to the school hospital for leg pain and foot pain increased significantly. This phenomenon caught the attention of Prof. Wendi Weimer. She is Associate Professor of Biomechanics at Auburn University and Director of the Biomechanics Laboratory. She found that most students who had pain in their legs and feet were most likely to wear flip flops. When the students returned to school in the fall to wear tennis shoes or street shoes, there was a strong discomfort in their legs and feet.
Under the auspices of Prof. Wendi Weimer, the students of the Department of Biomechanics set up a task research team for sandals. The team convened 39 volunteers for the experiment. The volunteers were men and women aged between 19 and 25 years old.
In the experiment, volunteers will put on running shoes and flip-flops respectively. In order to make the data as objective as possible, the flip flop provided in the experiment came from different manufacturers and retailers, priced from $5 to $50. Similarly, running shoes are also a variety of different prices and designs.
Volunteers participating in the experiment will put sensors on the back, hip, calf, ankle, and foot. There is a platform on the ground. When the foot is lifted up, the foot will contact the surface of the platform to record the vertical force of the foot. At the same time, the experimental posture of the experimenter walks, and any subtle movements of his hips, legs, hips, feet, and toes are recorded by the video system.
The lab report pointed out that when people wear flip flops, people walk at shorter paces. This leads to more stress on the body because you have to spend more on the same distance. This means that muscles and joints will be more worn.
Everything stems from a tiny movement of the toes when walking.
When wearing flip-flops, people worry that the shoes will fly out, so when you walk, you can flex your toes to cover your soles.
“The body is a sophisticated machine. When you exercise a certain group of muscles, it involves the movement of several other groups of muscles. To tighten the muscles of the toes will cause the muscles that lift the traction toes to stop moving. This means When you walk, you can't lift your toes high enough." This is a chain reaction. Because the shoes need to be clamped, the toes cannot be lifted. This results in a larger angle of change of the ankle joint and a smaller vertical force on the heel. Therefore, when wearing the flip flops, the same experimenter wears a shoe with a stride ratio. It's even smaller.
“A change in pace can lead to a series of changes in the body's power chain. From the bottom of the foot, it extends to the ankles, calves, knees, hips, back, and to the entire body,†Shroyer said.
The action of bending the toes to tighten the soles of the shoes would overuse the aponeurosis and the connective tissue from the toes to the heel, thus causing inflammation of the soles of the feet, heels of the heels, and pain in the hips and back.
“Strapped sandals are a healthier option because your toes do not have to bend and tighten the shoes to keep the shoes free. These shoes also provide better protection of the ankles and heels,†Shroyer said.
Shroyer also has two double-word draggers. He said: "The experiment does not suggest that people never wear flip flops, but they can't hang around all day. And like running shoes, it should be replaced within three to four months."
Achilles Tendon, the English language, is the Achilles heel of Greek mythology. The Achilles tendon connects the end of the tibialis with the calcaneus. As we walked, the calf muscles contracted and helped lift the heel of the traction and lifted off the ground. When wearing a flip-flop walk, due to the need for more power to bring up the heel, resulting in demand for Achilles tendon, it is prone to Achilles tendinitis.
Achilles tendinitis symptoms:
1. Pain, internal pain, soreness, tenderness, and stiffness in the Achilles tendon. It may occur in any area of ​​the Achilles tendon. Pain usually occurs during the rest of the morning or after intense exercise.
2. There will be strong pain or tenderness when the two tendons are squeezed.
3. When the lesion deteriorates, the tendons will enlarge and nodules appear in the lesion area.
Flip flops at high risk
1. Paparazzi star: Star to Faye Wong this level, there is a paparazzi on the door with a tail, where to walk quickly is the most inappropriate to wear flip flops, but it is this type of person who loves flip flops It is simply a spokesperson for flip flops. Faye Wong loves to wear flip flops in both summer and winter. She is the best model for her flip flops and she is also a representative of the harm caused by her flip flops. I don’t need to go to Emei Mountain to ask God for advice, as she wears her flip flops, Faye Wong’s Joints, calves, knees, hips, and backs are all her health black spots.
2. Pregnant women, overweight people: People who are overweight need more support from shoes. They usually put more pressure on their feet, ankles and backs because of obesity. Flip flops will increase the loss of these locations and cause more damage to these areas.
3. Easy-to-hit shoes: Paris Hilton's younger sister, Nicky, often wears flip-flops in summer shopping, but she once went shopping and tossed her left foot out, letting the paparazzi next to him jokes. In fact, sandals are very easy to be thrown, flip flops are more likely to fling, to ensure not to throw away, you can only clamp on tightly, and you can easily hurt the muscles Achilles tendon, so those who easily throw shoes, nor Suitable for wearing flip flops, the image destroyed.
4. The foot needs special attention: For athletes like Lin Zhiling, who rely on the leg to pull advertisements, athletes like Ronaldinho and Yao Ming who rely on their feet to play should not wear flip flops. Flip flops increase the chances of their sprains. It is a matter of great importance and think twice.
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