Health-Related Physical Fitness Testing and Interpretation: Body Composition

These flashcards cover key terms and definitions related to health-related physical fitness testing and body composition.

Body Fat Percentage

The proportion of fat mass to total body mass, commonly expressed as a percentage.

Sarcopenia

The loss of muscle mass associated with aging, which can affect body composition.

Body Mass Index (BMI)

A measure of body weight relative to height, calculated as body weight in kilograms divided by height in meters squared (kg/m²).

Hydrodensitometry

A method for estimating body density and fat percentage that involves measuring a person's buoyancy in water.

Waist-to-Hip Ratio (WHR)

A measurement that compares the circumference of the waist to that of the hips, used to assess body fat distribution.

Visceral Fat

Fat stored within the abdominal cavity that surrounds internal organs, associated with higher health risks.

Bioelectrical Impedance Analysis (BIA)

A technique that estimates body composition by measuring the resistance of body tissues to electrical currents.

Circumference Measurements

Anthropometric measurements taken at specific body sites to assess body composition and health risk.

Densitometry

A method of assessing body composition by measuring body density, often considered the criterion standard.

Skinfold Measurements

A technique for estimating body fat percentage by measuring the thickness of skinfolds at various body sites.

Total Body Electrical Conductivity (TOBEC)

A method for estimating body fat by measuring the electrical conductivity of body tissues.

Dual-Energy X-ray Absorptiometry (DXA)

A precise technique that provides detailed information about body composition, including bone density and fat distribution.

Anthropometric Methods

Techniques for assessing body composition through physical measurements like weight, height, and skinfolds.

Fat-Free Mass (FFM)

The portion of body weight that is not composed of fat, including muscle, bone, and water.

Obesity Classification

Categorization of body weight using the BMI scale, with ranges defining healthy, overweight, and obese statuses.

Accuracy and Error in Measurements

Factors that can affect the reliability of body composition assessments, including technique, evaluator experience, and equipment calibration.