Genetic factors: Genetic factors play an important role in muscle growth and development. Some people's genes determine that they are easy to grow muscles, and they can reach a certain degree of muscular development even without special exercise.
Activity in life and work: Many people are very active in daily life and work, such as manual workers, farmers and athletes. These people may have better physical muscle development.
Diet and nutrition: Diet and nutrition also play a key role in muscle growth and development. If a person has a balanced diet and is rich in protein and other important nutrients, it is possible to achieve a certain degree of muscular development even without special exercise.
Although most people may grow stronger without physical exercise, physical exercise can promote the growth and development of muscles more pertinently, make muscles stronger and bring many health benefits, such as enhancing heart and lung function, strengthening bone health and promoting metabolism. Therefore, even if there is no natural muscle development advantage, muscle health and development can be achieved through proper exercise and nutrient intake.