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As one of the major male sex hormones, testosterone plays a key role in muscle growth and maintenance in addition to its important role in sexual health and the reproductive system. Hormones Testosterone is not only the main hormone in the body of men, but also a certain amount of testosterone in the body of women, which has a wide range of effects on muscle growth and is closely related to exercise, protein synthesis and recovery.
Testosterone is a powerful hormone that promotes protein synthesis. Protein is a major component of muscle cells, and when muscle fibers are damaged during exercise or strength training, the body needs protein to repair and rebuild these fibers, thereby achieving muscle growth and strengthening. Testosterone accelerates repair and regeneration by stimulating protein synthesis in muscle cells.
Studies have shown that higher testosterone levels can significantly increase the rate of protein synthesis in the body, which in turn promotes muscle mass growth. This is also why men with high levels of testosterone generally have greater muscle strength and greater muscle mass. Наоборот, low testosterone levels lead to reduced protein synthesis, which makes muscle repair and growth slower, and may even lead to muscle loss.
In addition to promoting protein synthesis, testosterone also inhibits muscle catabolism (muscle breakdown). During strenuous exercise, ударение, or a poor diet (such as inadequate protein intake), the body breaks down muscle tissue for energy. Testosterone helps protect muscles from breakdown by reducing the effects of catabolic hormones, например, кортизол.
Поэтому, testosterone is not only an important driver of muscle growth, but also acts as an “umbrella” in maintaining muscle mass. This is especially important for people who are doing high-intensity training, as it helps maintain existing muscles while promoting new muscle growth.
Testosterone not only affects muscle mass, it is also directly related to muscle strength. People with high levels of testosterone tend to have more muscle fibers, especially fast muscle fibers (known as type II), which contract quickly and generate a lot of force. Поэтому, the increase in testosterone can promote the growth and development of these muscle fibers, thus significantly improving muscle strength.
В дополнение, testosterone can also affect the nervous system and enhance the efficiency of nerve signaling between the brain and muscles, which means that when you lift weights or do other strength training, testosterone can help improve your ability to mobilize and activate muscles, making training more efficient and strength gains faster.
Due to the significant effect of testosterone on muscle growth, some men with low testosterone levels (especially older men) may undergo testosterone replacement therapy (Trt) to boost their hormone levels, thereby helping to maintain and increase muscle mass. Studies have found that men who receive testosterone supplementation, особенно в сочетании с силовыми тренировками, experience significant increases in muscle mass and strength.
Однако, abusing testosterone or steroids (analogues of synthetic testosterone) to rapidly increase muscle mass is risky. Excessive use of testosterone can lead to a host of health problems, such as cardiovascular disease, Повреждение печени, atrophy of the testicles, and emotional and behavioral instability. В дополнение, long-term dependence on exogenous testosterone may inhibit the body’s natural testosterone secretion, leading to hormonal imbalances.
Testosterone levels in men naturally decline as they age, usually starting to taper off around age 30. This process is called “andropause” Или “androgenopenia.” A decline in testosterone levels is usually accompanied by a loss of muscle mass, a decrease in strength, and an increase in fat accumulation. Поэтому, maintaining healthy testosterone levels is especially important for middle-aged and older men.
Some studies have shown that strength training and moderate aerobic exercise can naturally increase testosterone levels, which in turn help maintain muscle mass and strength. В частности, strength training of the large muscle groups (Например, приседания, hard stretching and other complex movements) and high-intensity interval training (ВИИТ) are considered to be effective ways to stimulate the natural secretion of testosterone.
Тестостерона is crucial for muscle growth and maintenance. It helps the body repair and grow muscle more efficiently after strength training and exercise by promoting protein synthesis, inhibiting muscle catabolism, improving strength and enhancing neuromuscular collaboration. For those with low testosterone levels, testosterone replacement therapy may be an effective means of increasing muscle mass, but only under medical supervision. В то же время, здоровый образ жизни, regular exercise and adequate nutrition are also key to maintaining testosterone levels and promoting muscle growth.