The higher your percentage of fat above average levels, the higher your health risk for weight-related illness, like heart disease, high blood pressure, gallstones, type 2 diabetes, osteoarthritis, and certain cancers. Also, the higher your percentage of fat (and the smaller your percentage of muscle) the less calories you need to maintain your weight and therefore the easier it is to gain weight. This is because muscle is more metabolically active than fat tissue.
Body Fat Percentages and Lean Muscle Mass
When in ideal shape, body fat will make up about 15% - 18% of a male's body
weight and 18% - 22% of a female's. The remainder of the body's “lean weight”
is composed of water (55%-60%), muscle and other lean tissue (10%-20%), and
bone and minerals (6%-8%). In other words, a 150-pound woman who is within or
close to her ideal body fat composition range at 22% will have approximately
33 pounds of fat, 86 pounds of weight composed primarily of water, 20 pounds
of muscle and other lean tissue, and 11 pounds of bone and mineral weight.
This total then makes up her total weight of 150 lbs.
Now take the example of another woman who weights 150 pounds, but has 30%
fat on her body. She would have 45 pounds of fat on her body, and the rest of
her weight would be divided among muscle, bone and water. Her non fat body
composition might look like this, 79 pounds of water (53%), 17 pounds of
muscle (12%), and 9 pounds of bone and minerals (6%). Both women weight 150
lbs. and are about the same height, but one looks much different because she
has less body fat.
Body Fat Percentages and Lean Muscle Mass
When in ideal shape, body fat will make up about 15% - 18% of a male's body
weight and 18% - 22% of a female's. The remainder of the body's “lean weight”
is composed of water (55%-60%), muscle and other lean tissue (10%-20%), and
bone and minerals (6%-8%). In other words, a 150-pound woman who is within or
close to her ideal body fat composition range at 22% will have approximately
33 pounds of fat, 86 pounds of weight composed primarily of water, 20 pounds
of muscle and other lean tissue, and 11 pounds of bone and mineral weight.
This total then makes up her total weight of 150 lbs.
Now take the example of another woman who weights 150 pounds, but has 30%
fat on her body. She would have 45 pounds of fat on her body, and the rest of
her weight would be divided among muscle, bone and water. Her non fat body
composition might look like this, 79 pounds of water (53%), 17 pounds of
muscle (12%), and 9 pounds of bone and minerals (6%). Both women weight 150
lbs. and are about the same height, but one looks much different because she
has less body fat.
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