IB Sports, Exercise And Health Science (SEHS) Practice Exam

Skinfold measurements estimate body fat by assessing fat at how many sites?

Two sites Three or more sites One site Four sites

Correct Answer:

Three or more sites

Explanation:

Skinfold analysis relies on measuring subcutaneous fat at multiple locations rather than a single spot. Taking measurements from three or more sites captures how fat distribution varies across the body and allows the use of established prediction equations to estimate overall body fat more accurately. In practice, a three-site method is common for quick estimates, while seven sites are used for greater precision; measuring only one or two sites would not provide a reliable assessment.

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