Which type of chart is used to calculate the results of specific fitness tests, such as skin fold measurements?

The correct answer is the nomogram because it is specifically designed for calculating values and results based on different input factors, making it particularly useful for fitness tests like skinfold measurements. A nomogram allows users to input measurements in one axis and obtain the corresponding result on another axis, facilitating quick and accurate calculations in a visual format.

In the context of fitness testing, skinfold measurements are often used to estimate body fat percentage. A nomogram can help individuals easily interpret the results of these measurements by correlating skinfold thickness with body fat percentage values. This visual tool streamlines the process, allowing trainers and health professionals to assess physical data efficiently.

Other types of charts have different purposes. A graph typically presents data trends or relationships but doesn't offer the specific input-output calculation capabilities of a nomogram. Diagrams are visual representations that explain concepts or processes rather than provide calculations. Flowcharts depict a sequence of steps or decisions in a process but aren't designed for numerical calculations or data interpretation like a nomogram.