Your reason for doing something is your motive. Your motive to go to school every day is to learn. Or maybe the thought of your parents' anger and a run-in with the truant officer is motive enough. The word motive comes from the Latin words motivus, meaning moving, and movere, meaning to move. Think of motive as the thing that moves you to act.
What is the average muscle mass? Muscle mass is important in maintaining a healthy body. Depending  on age and physical activity level, the average muscle mass  percentage lies between 38% and 54% for men a â¦ nd between 28% and 39%  for women.Answered. I don't know the average, but I am 26, and workout 4 times a week doing lots of cardio (an hour or more). I have 24% fat and 38% muscle. I think the average woman is 25- â¦ 30% muscle.
Photo Credit Photodisc/Photodisc/Getty Images. Muscle mass percentage is also known as your lean body mass. Your lean body mass is actually composed of your muscle and bone tissue as well as the water in your body and your organs â everything except the fat beneath the surface of your skin.