Certified Personal Trainer (NSCA) Practice Exam

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In general, which body composition assessment method relies on the use of calipers?

Bioelectrical impedance
Skinfold measurements
Hydrostatic weighing
Dexa scan

The correct answer is: Skinfold measurements

Skinfold measurements are a widely used method for assessing body composition that involves the use of calipers to measure the thickness of skinfolds at specific sites on the body. This technique relies on the principle that the thickness of skin and subcutaneous fat correlates with overall body fat percentage. By taking multiple measurements at designated sites, trainers can estimate an individual's body fat percentage using established formulas. Using calipers is key in this method, as they provide a straightforward and cost-effective way to obtain skinfold measurements, which can then be analyzed to give insights into the person's body composition. This makes skinfold measurements particularly popular in fitness assessments conducted by personal trainers and sports professionals. The other methods listed do not utilize calipers, making this option distinctly correct.