First of all, you can be strong, but by strong, you mean to increase muscle volume, such as the circumference of biceps brachii. These exercises will also increase muscle strength and volume, but the effect is not as obvious as systematic strength training, and the specific training plan should be based on individual circumstances; One aspect of the diet is mainly high-protein food. The main reason for getting stronger is that muscle fibers become thicker, which requires protein. Of course, you can simply increase your body fat composition, even if you look fatter, you will look strong. .