1. Increase resistance and health: Regular exercise can cause qualitative changes in muscles, increasing the content of muscle glycogen, myosin, actin and myoglobin (hemoglobin). Can increase the body's resistance to disease. Make the body healthier.

2. Promote metabolism: Regular exercise can enable the body to obtain more nutrients and oxygen, which is beneficial to the body's metabolism.

3. The body is strong and powerful: Regular exercise can thicken muscle fibers, increase muscle cross-section and volume, and make the body strong and powerful.

4. Muscle tightness: People who do not regularly participate in physical exercise generally show muscle laxity in the shoulders, waist and abdomen, buttocks and lower limb muscles, increased subcutaneous fat, reduced muscle elasticity, etc.

Therefore, regular exercise is very necessary.

Through effective fitness exercises, you can strengthen muscle strength, increase muscle area, and reduce excessive fat layers. Generally speaking, you can see initial results as long as you insist on practicing for 3-4 months. If you insist on it systematically for 10 In about a month, the muscle area can increase by 5-15 cm.