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Questions and Answers
What are the four main tissue types that make up the human body?
What are the four main tissue types that make up the human body?
Which of the following is NOT a model of body composition?
Which of the following is NOT a model of body composition?
What is the most abundant element in the human body?
What is the most abundant element in the human body?
Which of the following is NOT a factor that contributes to the prevalence of obesity?
Which of the following is NOT a factor that contributes to the prevalence of obesity?
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What are the two main categories of fat in the body?
What are the two main categories of fat in the body?
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What is the primary reason why we would use anthropometry to assess body composition?
What is the primary reason why we would use anthropometry to assess body composition?
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What is the term for excess energy intake leading to a gain in body weight?
What is the term for excess energy intake leading to a gain in body weight?
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What are the keys to a healthy lifestyle and body composition?
What are the keys to a healthy lifestyle and body composition?
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What are the two types of adipose tissue?
What are the two types of adipose tissue?
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What is one of the negative health effects of excess body fat?
What is one of the negative health effects of excess body fat?
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What is the primary function of adipose tissue?
What is the primary function of adipose tissue?
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What is one way that obesity can negatively affect mental health?
What is one way that obesity can negatively affect mental health?
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What type of adipose tissue is associated with a higher risk of chronic diseases?
What type of adipose tissue is associated with a higher risk of chronic diseases?
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Which of the following is NOT a common technique for assessing body composition?
Which of the following is NOT a common technique for assessing body composition?
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What is the difference between direct and indirect methods of assessing body composition?
What is the difference between direct and indirect methods of assessing body composition?
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What are the main factors that contribute to an individual's body size?
What are the main factors that contribute to an individual's body size?
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What are the three major structural components of the human body?
What are the three major structural components of the human body?
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What is the primary composition of Fat-free Mass?
What is the primary composition of Fat-free Mass?
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What does the "Two-component model" refer to in the context of body composition?
What does the "Two-component model" refer to in the context of body composition?
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What are the two major factors that influence the distribution of the three major structural components of the human body?
What are the two major factors that influence the distribution of the three major structural components of the human body?
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What does anthropometry involve?
What does anthropometry involve?
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What is one reason why assessing body composition is important?
What is one reason why assessing body composition is important?
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Why is knowledge of bone mineral content important in women and children?
Why is knowledge of bone mineral content important in women and children?
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What are the key factors contributing to a healthy body composition?
What are the key factors contributing to a healthy body composition?
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What does "NEAT" stand for in the context of obesity and physical activity?
What does "NEAT" stand for in the context of obesity and physical activity?
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According to the Participaction data, what percentage of Canadian children achieve the recommended daily physical activity?
According to the Participaction data, what percentage of Canadian children achieve the recommended daily physical activity?
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Which of the following is NOT a factor contributing to the increased calorie consumption that contributes to the obesity epidemic?
Which of the following is NOT a factor contributing to the increased calorie consumption that contributes to the obesity epidemic?
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Which of the following is a component of the "Individual Psychology" aspect of interrelated causes of obesity?
Which of the following is a component of the "Individual Psychology" aspect of interrelated causes of obesity?
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Which of the following is a factor that contributes to the "Food Production" related to obesity?
Which of the following is a factor that contributes to the "Food Production" related to obesity?
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How much longer do obese participants sit per day compared to lean participants?
How much longer do obese participants sit per day compared to lean participants?
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What is the term for the energy expended by physical activities other than planned exercise?
What is the term for the energy expended by physical activities other than planned exercise?
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Which of the following is NOT one of the eight main sections included in the "Anthropometry and Body Composition" chapter?
Which of the following is NOT one of the eight main sections included in the "Anthropometry and Body Composition" chapter?
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Which of the following is TRUE regarding age-adjusted percent fat prediction equations?
Which of the following is TRUE regarding age-adjusted percent fat prediction equations?
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What is the primary function of the O-Scale System?
What is the primary function of the O-Scale System?
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Which of the following factors contribute to the higher electrical impedance in adipose tissue compared to muscle and bone?
Which of the following factors contribute to the higher electrical impedance in adipose tissue compared to muscle and bone?
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What is the primary difference between an adiposity-dominant physique and a weight-dominant physique using the O-Scale System?
What is the primary difference between an adiposity-dominant physique and a weight-dominant physique using the O-Scale System?
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Which of the following is a potential limitation of using skinfold measurements to predict body fat percentage?
Which of the following is a potential limitation of using skinfold measurements to predict body fat percentage?
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Which of the following statements accurately describes the "CSEP-PATH Body Composition Assessment" procedure?
Which of the following statements accurately describes the "CSEP-PATH Body Composition Assessment" procedure?
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What is the primary purpose of using bioelectrical impedance analysis (BIA) to assess body composition?
What is the primary purpose of using bioelectrical impedance analysis (BIA) to assess body composition?
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Why is it crucial to use caution when applying general body composition equations to unique populations like extremely obese individuals or professional football players?
Why is it crucial to use caution when applying general body composition equations to unique populations like extremely obese individuals or professional football players?
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Which of the following assumptions is NOT made by the Siri equation for calculating percent fat?
Which of the following assumptions is NOT made by the Siri equation for calculating percent fat?
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Why is hydrostatic weighing considered the 'gold standard' for measuring body composition?
Why is hydrostatic weighing considered the 'gold standard' for measuring body composition?
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What is the main criticism of using the density of the nonfat compartment as 1.10 g/ml for all individuals?
What is the main criticism of using the density of the nonfat compartment as 1.10 g/ml for all individuals?
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What is the primary concern with using BMI as a measure of obesity?
What is the primary concern with using BMI as a measure of obesity?
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What does the evidence suggest about applying the standard BMI cutoff points to Asian populations?
What does the evidence suggest about applying the standard BMI cutoff points to Asian populations?
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What is the primary assumption of BMI guidelines that is questioned by the text?
What is the primary assumption of BMI guidelines that is questioned by the text?
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What is the concern related to visceral fat as highlighted in the text regarding Asian populations?
What is the concern related to visceral fat as highlighted in the text regarding Asian populations?
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Based on the content, what conclusion can be drawn about the use of BMI as a universal measure of obesity?
Based on the content, what conclusion can be drawn about the use of BMI as a universal measure of obesity?
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Flashcards
Body Composition
Body Composition
The various elements and tissues that make up the human body.
Anthropometry
Anthropometry
The study and measurement of human body dimensions and composition.
Chemical Model of Body Composition
Chemical Model of Body Composition
Describes body composition in terms of fat, protein, carbohydrates, minerals, and water.
Tissue Types
Tissue Types
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Energy Surplus
Energy Surplus
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Energy Deficit
Energy Deficit
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Obesity
Obesity
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Determinants of Body Size
Determinants of Body Size
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Connective Tissue
Connective Tissue
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Fat-Free Mass
Fat-Free Mass
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Health Association
Health Association
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Osteoporosis Risk
Osteoporosis Risk
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Body Composition Assessment
Body Composition Assessment
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Key Components of Healthy Body Composition
Key Components of Healthy Body Composition
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Chronic Diseases
Chronic Diseases
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Adipose Tissue
Adipose Tissue
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Visceral Adipose Tissue
Visceral Adipose Tissue
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Subcutaneous Adipose Tissue
Subcutaneous Adipose Tissue
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Leptin
Leptin
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Indirect Methods of Assessing Body Composition
Indirect Methods of Assessing Body Composition
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Skinfold Measurements
Skinfold Measurements
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Age-Adjusted Body Fat
Age-Adjusted Body Fat
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Error in Skinfold Predictions
Error in Skinfold Predictions
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CSEP-PATH Assessment
CSEP-PATH Assessment
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O-Scale System
O-Scale System
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Stanine Scale
Stanine Scale
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Bioelectrical Impedance Analysis
Bioelectrical Impedance Analysis
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Adiposity vs. Weight Dominant
Adiposity vs. Weight Dominant
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Siri Equation
Siri Equation
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Body Density Constants
Body Density Constants
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Hydrostatic Weighing
Hydrostatic Weighing
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BMI Calculation
BMI Calculation
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BMI Classifications
BMI Classifications
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BMI and Ethnicity
BMI and Ethnicity
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Visceral Fat
Visceral Fat
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Criticism of BMI
Criticism of BMI
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Interrelated Causes of Obesity
Interrelated Causes of Obesity
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NEAT
NEAT
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Screen Time in Children
Screen Time in Children
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Physical Activity Recommendations
Physical Activity Recommendations
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High Calorie Diets
High Calorie Diets
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Children's National Campaign
Children's National Campaign
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Sedentary Behaviour
Sedentary Behaviour
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Genetic Factors in Obesity
Genetic Factors in Obesity
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Study Notes
Introduction to Biomedical Physiology and Kinesiology
- This course introduces biomedical physiology and kinesiology.
- The image shows a human figure with a skeleton overlaid.
Anthropometry and Body Composition
- The slides show data for waist circumference, visceral adipose tissue, and thigh subcutaneous adipose tissue for 60 and 80-year-old males.
- Learning outcomes involve explaining the assumptions and limitations of human body composition measurement, and correlations between body composition and health.
- Learning goals involve building knowledge of human body composition, connecting body composition to health and athletic performance, and developing empathy for obesity prevalence in society.
- Key learning outcomes include defining body composition models, anthropometry, essential and storage fat (males & females), and describing obesity's health effects.
- Assumptions and limitations of common human body composition measurements are to be described.
- The interrelated determinants of body size and the prevalence of obesity will be described.
- The keys to a healthy lifestyle and body composition will be discussed.
Body Composition - Structure and models
- The human body is composed of many elements, with oxygen the most plentiful.
- The main elements include oxygen, carbon, hydrogen, nitrogen, etc.
- A chemical model of body composition includes fat, protein, carbohydrate, mineral and water
- Tissue types include nervous, epithelial, muscle and connective tissue.
- The human body has three structural components - muscle, skeleton, and fat.
- Body components vary based on gender.
- The two-component model describes the amount of fat and fat-free mass in the body.
- Fat-free mass primarily includes bone, muscle, water, vital organs, and connective tissue.
Why Assess Body Composition
- Knowledge of bone mineral content in women and children is critical for preventing osteoporosis.
- Monitoring body composition changes with growth, maturation, and aging is important for diagnosing disease.
- Changes associated with aging in developed countries often include increased fat mass, decreased muscle mass, and decreased bone mass.
- Healthy body composition is for health and performance goals in various sports and improving weight management/strength training.
- Assessing body composition is important for assessing health (obesity, chronic diseases, and low levels of fat/muscle).
- Sarcopenia (very low muscle mass) is a potential risk factor from aging.
- Activity can maintain muscle mass and healthy body composition.
Common Techniques for Assessing Body Composition
- Direct methods involve chemical analysis of human cadavers
- Indirect methods are non-invasive techniques used on living people.
- Techniques include: Height-Weight Tables, Body Density/Volume Measurements, Weight-Height Indices, Waist Circumference, Skinfold Measurements,CSEP-PATH Body Composition Assessment, O-Scale System, Bioelectrical Impedance Analysis, and Other Procedures (e.g., DEXA, CT, MRI).
BMI and Body Composition
- Body Mass Index (BMI) is a measure of body obesity, calculated by dividing weight (kg) by height (meters) squared.
- BMI classification standards for adults (20-70 years old) are provided, along with corresponding health risks.
- BMI is not always an accurate predictor of body composition. This is especially true for individuals with high proportions of muscle versus fat, or those with differing ethnic backgrounds.
- There are some criticisms of using BMI: it does not consider body composition, data is often from specific populations, and determining frame size is problematic.
Waist Circumference
- Waist circumference is an inexpensive and effective measure of central obesity. It strongly correlates with abdominal imaging and is associated with cardiovascular disease (CVD) risk.
- Waist circumference and waist-to-hip ratio are often better predictors of obesity-related health risks than BMI.
Skinfold Measurements
- Skinfold measurements are used to assess body fat.
- A 20% or more body fat percentage for men, or 30% or more for women, may be considered obese.
- Two primary ways to use fat folds are comparing differences in individuals across time and to use the summed measurements as an indication of relative fatness.
- Skinfold measurements are site-and sample-specific.
- Issues with measurement techniques may contribute to errors.
CSEP-PATH Body Composition Assessment
- This procedure uses BMI to first determine if a person is overweight or obese and then uses waist circumference to determine if abdominal fat is present.
Other Assessment Procedures
- Dual Energy X-ray Absorptiometry (DEXA) uses low-dose X-rays to measure bone mineral density and body composition.
- Computerized Tomography (CT) provides detailed images but the radiation dose is high.
- Magnetic Resonance Imaging (MRI) produces detailed images without using radiation.
Obesity and Energy Intake
- Trends in obesity, obesity related diagnoses and caloric density have increased significantly over time.
- Several factors, such as societal changes and increased consumption patterns, have contributed significantly to the rising obesity rate across populations.
- There is a relationship between body mass index and mortality risk.
- Data from 1981 to 2009 indicates a decline in the fitness levels of Canadian populations.
Determinant of Body Composition
- Genetics play a significant role in body size and proportions.
- Overfeeding studies and genetic studies support a role for genetics in impacting weight gain, but not wholly responsible for obesity.
- Many genetic sites associated with appetite regulation influence obesity risk..
Interrelated Causes of Obesity
- Factors such as social psychology, individual psychology, physical activity environment, and physiology are all interrelated and contribute to obesity.
- Social psychology includes media, peer pressure, food advertising. Individual psychology factors include self-esteem and stress. Physical activity environment factors include occupation and availability of transportation. Related physiological factors include genetics, epigenetics, appetite control, and food consumption. Food production includes affordability, portion size, energy density and availability of convenience foods.
- NEAT (non-exercise activity thermogenesis) is the energy expended through non-planned activities including sitting, standing, walking, fidgeting etc.
Participation
- Participation rates for physical activity are low in many regions.
- Children now spend more time using devices than their parents spent at work.
Keys to Healthy Body Composition
- A person's best weight involves a lifestyle that supports health and well-being.
- Losing fat often requires maintaining a calorie deficit through reduced caloric intake and/or increased energy expenditure.
- It is essential to maintain a healthy lifestyle rather than a quick-fix approach.
- A well-planned diet rich in varied nutrients is ideal, alongside regular exercise and time outdoors, which often include self-care and sleep.
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Description
Test your knowledge on the four main tissue types that compose the human body and various aspects of body composition. This quiz covers key factors contributing to obesity, methods of assessment, and the roles of different types of fat in health. Challenge yourself and learn about the importance of maintaining a healthy lifestyle!