1: Ethnology, determined by genes, diet and living environment for thousands of years ~ ~

On the other hand, they attach great importance to physical exercise, especially muscle exercise. And fitness is not very popular in our country. Which high school here has a gymnasium? Not often in college.

3. Dietary differences: See what they eat at each meal. Everything is high in protein, which makes muscles grow a lot. We can't reach their level in all aspects. So you can only grow your muscles by doing more exercise.