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What are the benefits of long-term leg press and lacing?
Sit on the high bed, with your feet hanging under the bed, but not touching the ground. Relax your upper limbs and put them on your side. Others lift their calves and keep their thighs still. If the calf can be straight and the upper body does not move, it means that the back of the thigh is not nervous. If the upper body suddenly leans back when lifting the calf, or if the hands are supported behind the back, it means that the muscles at the back of the thigh are tense. If you are nervous, you can choose leg press's lacing method. If you are not nervous, there is no need to pull.

It is the flexibility of moving joints and muscle stretching. Old people should not exercise excessively. Old age, excessive exercise, physical fatigue, leading to low immunity, counterproductive. All the golfers I know are retired teachers, who are over 70 years old. The woman is in poor health, and the man is a physical education teacher, who loves climbing mountains and practicing horizontal bars. He is honest and comfortable. But the female teacher who sees a doctor is very good. It is said that the male teacher died a few days after he had a fever and got acute blood disease. But what I said is just an example. The central meaning is that when you get older, moderate exercise is better.

The most important thing is to stretch every part of your body as much as possible, and don't stretch into a dead corner. This process is to use blood to flush blood and dredge blood vessels, because pulling will increase the pressure of blood. Stretching is just like sweating. Only scientists can prove whether the softness and lightness of the body it brings is a manifestation of smooth blood flow.

With the growth of age, bone calcium loss, ligament sclerosis, activities become more and more uncomfortable. Middle-aged and elderly people are keen on this kind of sports, which shows that they feel relaxed and free, enrich their bodies and maintain their vitality. The so-called "relaxing muscles and activating collaterals" is precisely the reason why Hua Tuo, a great doctor in ancient China, invented Wuqinxi.

Personally, I think the training of middle-aged and elderly people should not be too intense. Simple warm-up exercises must be done more, instead of excessively advocating stretching leg press. It is also meaningful to do simple warm-up exercises, including stretching, to avoid injury.