What kind of effect you want and how much you weigh, RM is very important. Usually RM refers to the maximum repetition value, the abbreviation of "repetition maximum" in English. For beginners, how to increase their muscle dimension is very important for choosing weight and RM.
You can read this digital table several times:
1 ~ 4 RM mainly increases absolute muscle strength and physical strength, 6 ~ 12 RM mainly increases muscle dimension, 16 ~ 20 RM mainly develops small muscle groups and improves muscle line elasticity, and above 25RM is mainly used for reducing fat, enhancing cardiopulmonary function, strengthening physical fitness and so on.
When we know how many duplicate values RM chooses, how to choose the weight? In fact, the choice of weight is equal to your own conditions. It is completely different for a novice and a muscular man with a certain foundation.
Beginners may lift 8 kilograms of dumbbells at a time. To increase the muscle dimension, you can do 10RM at one time. If you lift this weight easily, it means that you are not suitable for this weight, which may be more than 8KG, and vice versa.
Note that when choosing a weight, you must remember to be exhausted every time, so that this weight can adapt to you.
If you want to increase muscle dimension, let's test how many kilograms of dumbbells you can lift. Muscle dimension can only be fully developed through training and diet.