Body Composition Chapter 6. Lecture Objectives 1. Define fat-free mass, essential fat, and non-...
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Transcript of Body Composition Chapter 6. Lecture Objectives 1. Define fat-free mass, essential fat, and non-...
![Page 1: Body Composition Chapter 6. Lecture Objectives 1. Define fat-free mass, essential fat, and non- essential fat and describe their functions in the body.](https://reader030.fdocuments.us/reader030/viewer/2022020920/56649eda5503460f94be9cdd/html5/thumbnails/1.jpg)
Body Composition
Chapter 6
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Lecture Objectives1. Define fat-free mass, essential fat, and non-
essential fat and describe their functions in the body.
2. Explain how body composition affects overall health and wellness and explain the risks of being overfat and risks of being underfat.
3. Describe how body composition is measured and assessed.
4. Explain how to determine recommended body weight and body fat distribution.
5. Define the term “creeping obesity”.
6. Explain gender differences in location of body fat and disease risk.
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Typical Body Composition
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6© McGraw-Hill Higher Education
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Prevalence of Overweight and Obesity
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6© McGraw-Hill Higher Education
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Creeping Obesity
Physical activitydecreases and leads to a decrease in metabolic rate.
If energy expendituredrops more than energy intake, weight gain will occur.
Corbin, C.B. (2004). Concepts of Fitness and Wellness.Corbin, C.B. (2004). Concepts of Fitness and Wellness.
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Health Risks Associated with Being Overfat
Coronary heart disease
Hypertension
Hypercholesterolemia
Cancer
Diabetes
healthy heart
diseased heart
Corbin, C.B. (2004). Concepts of Fitness and Wellness.Corbin, C.B. (2004). Concepts of Fitness and Wellness.
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Body Composition and Cancer Mortality
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6© McGraw-Hill Higher Education
BMI and Risk of Type II Diabetes
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Body Fat Distribution and Chronic Disease
Location of fat is important to health
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What can excess body
fat do to a person’s
health and wellness?
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Problems Associated with Very Low Levels of Body Fat
Reproductive, circulatory, and immune system disorders
Too little body fat = Less than 10–12% for women
Less than 5% for men
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6© McGraw-Hill Higher Education
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Female Athlete TriadCondition consisting of three interrelated disorders
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6© McGraw-Hill Higher Education
![Page 12: Body Composition Chapter 6. Lecture Objectives 1. Define fat-free mass, essential fat, and non- essential fat and describe their functions in the body.](https://reader030.fdocuments.us/reader030/viewer/2022020920/56649eda5503460f94be9cdd/html5/thumbnails/12.jpg)
Body Composition Assessment
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Skinfold Measurements
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Underwater Weighing Bod Pod
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DEXA
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Estimates Used in Lab
Bioelectrical Impedance Analysis
BMI = Weight (kg)Height (m2)
Body Mass Index
Waist-to-Hip Ratio
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Levels of Body Fatness, 20-39 YOA
Women Men
Essential 8-12% 3-5%
Low/athletic 13-20% 6-7%
Recommended 21-32% 8-19%
Overfat 33-38% 20-24%
Obese ≥39% ≥25
Table 6.2, page 175
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Body Composition AssessmentImplications of Results
Values are:
Proper uses of results:
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Physical Activity and Body Composition
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Physical Activity, Overweight, and Risk of Death
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6© McGraw-Hill Higher Education
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Obesity and Exercise
Activity improves health for people who are normal weight, overweight, and obese.
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Making Changes Realistic goals
Check with your physician before setting a goal
Little at a time
Healthy lifestyle
Include: Regular physical activity, endurance
exercise, and strength training
Fahey/Insel/Roth, Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness, Chapter 6 © McGraw-Hill Higher Education
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Lecture Summary1. Define fat-free mass, essential fat, and non-
essential fat and describe their functions in the body.
2. Explain how body composition affects overall health and wellness and explain the risks of being overfat and risks of being underfat.
3. Describe how body composition is measured and assessed.
4. Explain how to determine recommended body weight and body fat distribution.
5. Define the term “creeping obesity”.
6. Explain gender differences in location of body fat and disease risk.