Age-Related Muscle Changes: Understanding the Impact and Solutions Discover the effects of aging on muscle mass and strength, and explore whether these changes are primarily due to the natural aging process or a sedentary lifestyle. As we age, one of the notable changes our bodies experience is the loss of muscle mass and strength. This decline can be attributed to various factors within the neuromuscular system, including a decrease in the number of motor neurons, muscle fibers, and muscle fiber size. However, it is crucial to determine whether these changes are solely a consequence of aging or a result of leading a sedentary lifestyle. Age-Related Changes to Muscle The decline in muscle mass associated with aging appears to occur in two phases. The first phase, known as the "slow" phase, involves a loss of 10% of muscle mass between the ages of 25 and 50. The majority of muscle loss occurs thereafter, with an additional 40% being lost from the ages of 50 to 85. By the age...