The calf bone is located outside the gastrocnemius and was thought to degenerate as humans evolved. However, a new study in the UK shows that more and more people have the bones of this shape, and patients with osteoarthritis are more likely to have this bone.
Researchers at the Imperial College of Bioengineering analyzed more than 21,000 knee joint studies in 27 countries and regions over 150 years, and found that the proportion of people with kidney beans has tended to rise in the last 100 years. The earliest study began in 1875, when approximately 17.9% of the human body had a kidney bean. This ratio was 11.2% in 1918 and increased to 39% in 2018, nearly 2.5 times higher than 100 years ago. Arthritis patients have a higher proportion of calf bones, twice as many as ordinary people.
The researchers said it is not clear why this trend has occurred. They speculate that this may be related to nutrition. For more than 100 years, humans have gained more nutrients, and their average height and weight have increased, meaning that the tibia is longer, the gastrocnemius is bigger, the knees need to bear more pressure, and the sacrum bones may change pressure like the sesamoid bones. Conduction, reducing the friction between the tendon and the bone surface. However, due to the lack of research on the kidney of the kidney, it is not excluded that it has no effect. The researchers plan to study whether the kidney bones are related to age, gender, genes and living areas, and hope to help doctors treat knee disease.
Source: Chongqing Evening News
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