Answer:
d. Hydrostatic weighing
Explanation:
Body fat percentage is the most reliable indicator for establishing the ideal weight of a person, but it is also the most difficult to measure. Generally, a man with more than 25% body fat is considered obese. The percentage is increased to 30% in the case of women.
There are different formulas to calculate the percentage of body fat, but unlike other methods such as BMI or waist circumference, which can be calculated easily, this percentage is difficult to measure accurately. For this, different solutions can be used:
One of them, <u>hydrostatic weighing</u>, consists in weighing the person under water, although this technique is complex and can only be carried out by laboratories that have the necessary equipment.
