What is Body Composition?
Body composition can have a direct impact on your health, athletic performance and even life expectancy. The national institutes of health (NIH) states: " Evidence is now overwhelming that obesity, the excessive storage of fat , has an adverse effect on health and longevity".
Obesity is clearly associated with heart disease, stroke, hypertension,diabetes, and certain forms of cancer and other medical problems.
Body composition can also have a direct impact on athletic performance. Body fat content must be low enough to achieve peak performance, yet high enough to reduce the risk of injury.
It's not the weight it's the fat!
Body fat percentage is more a accurate way to measure your level of fitness.
Weight loss alone (without exercise) can actually decrease your lean mass and increase your body fat level.
You may be lighter and smaller, but actually be "fatter".
By tracking body fat percentage, you can ensure that you will effectively meet your fitness requirements.
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Body Fat percentage
A minimum amount of body fat is crucial to the human body to cushion and protect body organs from injury. Fat serves the important function of storing and releasing energy and vitamins when needed.
However, too much or to little body fat can cause serious health risks. The table at the bottom of this page provides the optimum body fat percentage for your age and gender.
Lean Body Mass
All parts of the body exclusive of body fat -- bones, organs, muscle, connective tissue, fluids -- make up your lean body mass. the higher the percentage of lean body mass, the more muscular and with higher bone density. A more muscular body is normally considered attractive and improves athletic performance.
Total Body Water
Total body water is the estimated amount of water in your body. Great care should be taken during diet and exercise to avoid becoming dehydrated. Optimal water content for women is approximately 55% - 60% The optimal range for men is approximately 60% - 65%.
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Body fat percentage
| Men |
Under age 30 |
Age 30-39 |
Age 40-49 |
Age 50-59 |
Over Age 60 |
| Excellent |
Up-to 11.8% |
Up-to 15.9% |
Up-to 18.1% |
Up-to 19.8% |
Up-to 20.3% |
| Good |
11.9-15.9% |
16.0-19.0% |
18.2-21.1% |
19.9-22.7% |
20.3-23.5% |
| Fair |
16.00-19.5% |
19.1-22.3% |
21.2-24.1% |
22.8-25.7% |
23.6-26.7% |
| Needs Improvement |
Over 19.5% |
Over 22.3% |
Over 24.1% |
Over 25.7% |
Over 26.7% |
| Women |
Under age 30 |
Age 30-39 |
Age 40-49 |
Age 50-59 |
Over Age 60 |
| Excellent |
Up-to 19.0% |
Up-to 20.0% |
Up-to 23.5% |
Up-to 26.5% |
Up-to 25.7% |
| Good |
19.1-22.1% |
20.1-23.1% |
23.6-26.4% |
26.7-30.1% |
27.6-30.9% |
| Fair |
22.2-25.4% |
23.2-27.0% |
26.5-30.1% |
30.5-33.5% |
31.0-34.3% |
| Needs Improvement |
Over 25.0% |
Over 27.1% |
Over 30.2% |
Over 33.6% |
Over 34.4% |
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How is BMI determined?
BMI can be determined by using the following equation:
Body weight
(in pounds)
x Height
(in inches)
| Height | Weight in pounds |
| 4' 10" (58”) | 91 | 96 | 100 | 105 | 110 | 115 | 119 | 124 | 129 | 134 | 138 | 143 | 148 | 153 | 158 | 162 | 167 |
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4' 11" (59”) | 94 | 99 | 104 | 109 | 114 | 119 | 124 | 128 | 133 | 138 | 143 | 148 | 153 | 158 | 163 | 168 | 173 |
|
5' (60”) | 97 | 102 | 107 | 112 | 118 | 123 | 128 | 133 | 138 | 143 | 148 | 153 | 158 | 163 | 168 | 174 | 179 |
|
5' 1" (61”) | 100 | 106 | 111 | 116 | 122 | 127 | 132 | 137 | 143 | 148 | 153 | 158 | 164 | 169 | 174 | 180 | 185 |
|
5' 2" (62”) | 104 | 109 | 115 | 120 | 126 | 131 | 136 | 142 | 147 | 153 | 158 | 164 | 169 | 175 | 180 | 186 | 191 |
|
5' 3" (63”) | 107 | 113 | 118 | 124 | 130 | 135 | 141 | 146 | 152 | 158 | 163 | 169 | 175 | 180 | 186 | 191 | 197 |
|
5' 4" (64”) | 110 | 116 | 122 | 128 | 134 | 140 | 145 | 151 | 157 | 163 | 169 | 174 | 180 | 186 | 192 | 197 | 204 |
|
5' 5" (65”) | 114 | 120 | 126 | 132 | 138 | 144 | 150 | 156 | 162 | 168 | 174 | 180 | 186 | 192 | 198 | 204 | 210 |
|
5' 6" (66”) | 118 | 124 | 130 | 136 | 142 | 148 | 155 | 161 | 167 | 173 | 179 | 186 | 192 | 198 | 204 | 210 | 216 |
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5' 7" (67”) | 121 | 127 | 134 | 140 | 146 | 153 | 159 | 166 | 172 | 178 | 185 | 191 | 198 | 204 | 211 | 217 | 223 |
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5' 8" (68”) | 125 | 131 | 138 | 144 | 151 | 158 | 164 | 171 | 177 | 184 | 190 | 197 | 203 | 210 | 216 | 223 | 230 |
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5' 9" (69”) | 128 | 135 | 142 | 149 | 155 | 162 | 169 | 176 | 182 | 189 | 196 | 203 | 209 | 216 | 223 | 230 | 236 |
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5' 10" (70”) | 132 | 139 | 146 | 153 | 160 | 167 | 174 | 181 | 188 | 195 | 202 | 209 | 216 | 222 | 229 | 236 | 243 |
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5' 11" (71”) | 136 | 143 | 150 | 157 | 165 | 172 | 179 | 186 | 193 | 200 | 208 | 215 | 222 | 229 | 236 | 243 | 250 |
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6' (72”) | 140 | 147 | 154 | 162 | 169 | 177 | 184 | 191 | 199 | 206 | 213 | 221 | 228 | 235 | 242 | 250 | 258 |
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6' 1" (73”) | 144 | 151 | 159 | 166 | 174 | 182 | 189 | 197 | 204 | 212 | 219 | 227 | 235 | 242 | 250 | 257 | 265 |
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6' 2" (74”) | 148 | 155 | 163 | 171 | 179 | 186 | 194 | 202 | 210 | 218 | 225 | 233 | 241 | 249 | 256 | 264 | 272 |
|
6' 3" (75”) | 152 | 160 | 168 | 176 | 184 | 192 | 200 | 208 | 216 | 224 | 232 | 240 | 248 | 256 | 264 | 272 | 279 |
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BMI | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
Use this chart to find your Height and weight to determine your body mass index (BMI)
For more information about BMI, weight, nutrition,
and health visit the following web sites:
American Dietetic Association
American Heart Association
NIH/National Heart, Lung, and Blood Institute
NIH/National Institutes of Diabetes & Digestive & Kidney Diseases
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Joe Anastasio
Date of test: Nov 10 2007
Age: 51
Sex: Male
Current weight (lbs): 200
Body frame: Large
Height (inches):70
Exercise frequency: 5-6 times per week
Exercise intensity: Moderately heavy
Exercise time: over 30 minutes
Body Fat: 10.4%
fat weight: 20.8 lbs
Lean (fat Free) weight: 179.2 lbs
Total body water: 60.5 liters or 66.7%
Body mass Index: 28.7
Body Mass Index (BMI)
Body mass index (BMI) is a relation between weight and height that is often associated with health risks.
Note: these guideline do not take into account muscle mass.
The centers for disease control uses the following guidelines.
| Rating |
Body mass index (BMI) |
| Underweight |
Less than 18.5 |
| Ideal |
18.6 - 24.9 |
| Overweight |
25.0 - 29.9 |
| Obese |
30.0 - Over |
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