In bodybuilding theory, RM is used to indicate the maximum number of repetitions that a load can do continuously. For example, an exerciser can only lift a heavy object five times in a row, so the heavy object is 5RM.
8 to 12RM is the best exercise effect for beginners. It is suggested that the load should be adjusted to 15 to 30RM before 14 to 17 years old. 15 to 30RM, people tend to exercise endurance and muscles, which should not affect their height development. If the load is right, it should be increased.
In order to tell you for sure: physical exercise is beneficial to increase. However, the amount of exercise should be moderate, and it is best to get the guidance of doctors or physical education teachers and coaches before taking part in physical exercise. /kloc-Teenagers under the age of 0/8, especially children, should not take part in sports that consume too much physical strength. The amount of exercise should be gradual, and heavy load, contraction or compression should be avoided.
If you practice weightlifting properly and correctly, it will generally have little effect on long people, otherwise it will have a negative impact on height. Therefore, teenagers must have the guidance of coaches and correct methods to prevent bones from being damaged and hinder the normal growth and development of bones.