How Does Building Muscle Change Your Metabolism?

One of the most common misconceptions is that metabolism is entirely determined by genetics and cannot be changed. Although genetics plays a role in metabolic rate, lifestyle choices, particularly the amount of muscle mass you have, can also significantly influence how much energy your body uses.

Muscles consume energy even when you are at rest. The more muscle mass you have, the more calories your body needs to maintain this metabolically active tissue. Although the increase in metabolism resulting from muscle growth is not as dramatic as some advertisements claim, it can contribute to long-term weight management and help prevent fat regain.

An even more important benefit of muscle mass is its impact on metabolic health. Muscles are the body’s largest site of glucose disposal, and the healthier and more active your muscles are, the better your body can regulate blood sugar levels and improve insulin sensitivity. This is why resistance training is considered one of the key components of preventing and managing type 2 diabetes.

In addition, building muscle improves balance, increases strength, reduces the risk of injuries, and helps preserve physical independence as we age. Therefore, weight training is not just for athletes; it is one of the best investments you can make in your health throughout life.

If your only goal is weight loss, you may achieve results through restrictive diets. However, if your goal is to build a healthier body and develop a stronger metabolic system, building muscle should be an essential part of your long-term routine.

References

• ACSM Position Stand

• Medicine & Science in Sports & Exercise

• Journal of Applied Physiology

• Journal of Cachexia, Sarcopenia and Muscle