In terms of percentages, your total lean body mass needs to be 70 to 80 percent of your body's composition to keep your body healthy. Eighty percent lean mass would be very fit and 70 percent would be acceptable. Change your body's composition to more muscle mass and less fat mass to keep weight loss off for good. read more
Lean body mass usually ranges from 60 to 90 percent of body weight. A woman with a lean body mass percentage of less than 68 percent would be considered unhealthy, as would a man with less than 75 percent lean body mass. read more
Instead of focusing on muscle itself, most medical professionals defer to body fat to determine if your muscle mass is at an ideal percentage for your height. Women should have a body fat percentage somewhere between 20 and 21 percent. Men should have far less, coming in at 13 to 17 percent. Talk to a doctor or physiologist to determine this percentage. read more
However, Skeletal Muscle Mass is related to Lean Body Mass because it is one of the parts that make up your overall Lean Body Mass. This is why some people get confused. Skeletal Muscle Mass is part of your Lean Body Mass, but your Lean Body Mass can be influenced by other factors outside of muscle, most notably, water. read more