Muscular Strength Assessment and Prescription n Strength is a basic component of fitness and wellness and is crucial for optimal performance in daily activities. Strength also is of great value improving posture, personal appearance, and self-image.
Muscle tissue uses energy even at rest.
In contrast, fatty tissue uses very little energy. As muscle size increases, so does the resting metabolism. If two individuals have the same weight, but have different amounts of muscle mass, the one with the more muscle can ingest more calories without gaining weight. Loss of lean tissue is thought to be the main reason for the decrease in metabolism as people grow older. If people continue eating at the same rate as their activity decreases, body fat increases.