Muscles make up about 40-50 of a person's body weight.
The gluteus muscles make up approximately 16-20% of total body weight in humans.
About 60 percent.
Muscles make up around 40 percent of a personâ??s body weight. For instance, there are over 600 muscles found in the human body.
The skeletal muscles
the muscles make up 40 % of the body weight
Nearly half of your body weight is muscle tissue. So if you weigh 140 pounds, nearly 70 pounds of it is from the muscles attached to your bones.
If you mean something like running speed, then it is purely the relevant muscle's ability to push your limbs in that way. Ie, for running, your leg muscles are taken into account, your total body weight (in this case, the weight the legs have to push). Constant training, building up relevant muscles and losing excess body weight is how to get faster.
the muscles make each movable bone move in you body
Lean body mass does not include essential body fat. It consists of muscles, bones, organs, and tissues that make up the body's overall weight, excluding fat mass.
They make it move and keeps it alive.
The role of muscles in our body is enabling us to move our body, whn stimulated by a nerve. Muscles can contract as your brain tells them to. With out our muscles we would not be able to make any movements.