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Why does fitness grow old fast every day?
No, first of all, the misunderstanding is where the muscle grows much ... Testosterone content, anabolic ability and muscle damage and recovery during exercise will all affect muscle gain. The increase of muscle circumference before exercise is only the development of the original potential of the body, and the cross-sectional area of a single muscle fiber increases at a very low level. The most important thing is nerve mobilization, which can achieve the goal of great resistance by recruiting muscle fibers, and the process of nerve reconstruction is very long, far from being completed overnight.

Secondly, if the resistance of heavy weight training is lower than 80% of its own limit, it is basically ineffective. You only exercise muscle endurance. For example, I am a girl, and my own squat is 97 kilograms, and 97 kilograms can only squat once. This is the limit, and the weight is more than 80% of 97. Do you know your maximum number of repetitions? If you don't know, don't mention important concepts, or you will make mistakes easily.

Finally, by the age of 45, both men and women will have the problem of muscle loss, the first is the loss of muscle mass, and the second is the loss of muscle strength. This is called muscular dystrophy, and the later stage of muscular dystrophy is osteoporosis. This is one of the reasons for muscle degeneration and organ function decline in the process of human aging. But resistance training can delay this problem. The development of muscle is very complicated, not only the muscle itself, but also the coordination of organs and the changes of hormone levels.

At this point, do you still think it will accelerate aging?

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