Tag: Skeletal muscle mass

Daily fluctuations of 5-6 lbs in body water can change a person's overall composition without altering muscle mass. This highlights why understanding if SMM is the same as lean body mass is crucial, as they represent distinct health metrics.

According to scientific estimates, skeletal muscle mass comprises approximately 45–50% of the total fat-free mass in a healthy adult, definitively showing that skeletal muscle mass is not the entirety of fat-free mass. While often used interchangeably, these terms represent distinct body components with different implications for health and fitness. This article clarifies this common body composition misconception by explaining what each term includes and why the distinction is important for accurately assessing your health.