Body mass index
Compute for BMI, then classify:
| Nr | weight | height |
|---|---|---|
| 1 | 35 kg | 1.25 m |
| 2 | 40 kg | 1.40 m |
| 3 | 50 kg | 1.75 m |
| 4 | 55 kg | 1.65 m |
| 5 | 63 kg | 1.23 m |
Correct answer:
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Dr. Math
The BMI (Body Mass Index) is a measure used to assess whether a person's weight is healthy relative to their height. It is calculated by dividing a person's weight (in kilograms) by the square of their height (in meters).
- Below 18.5: Underweight
- 18.5–24.9: Normal weight
- 25.0–29.9: Overweight
- 30.0 and above: Obese
While BMI is a useful tool for quickly assessing weight status, it does not account for factors like muscle mass, bone density, or fat distribution. For example:
- Athletes with high muscle mass may have a high BMI but not be overweight.
- Older adults may have a normal BMI but still have excess body fat.
For a more accurate assessment of health, it’s best to combine BMI with other measurements (e.g., waist circumference, body fat percentage) and consult a healthcare professional.
BMI Formula:
BMI = Weight (kg)Height (m)2
Interpretation of BMI Results:
- Below 18.5: Underweight
- 18.5–24.9: Normal weight
- 25.0–29.9: Overweight
- 30.0 and above: Obese
Limitations of BMI:
While BMI is a useful tool for quickly assessing weight status, it does not account for factors like muscle mass, bone density, or fat distribution. For example:
- Athletes with high muscle mass may have a high BMI but not be overweight.
- Older adults may have a normal BMI but still have excess body fat.
For a more accurate assessment of health, it’s best to combine BMI with other measurements (e.g., waist circumference, body fat percentage) and consult a healthcare professional.
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