NUTR1023 Lecture Notes - Lecture 2: Coronary Artery Disease, Exercise Intensity, Cardiorespiratory Fitness

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redweasel913

28 May 2018

School

Department

Nutrition

Course

NUTR1023

Professor

Michael Leveritt

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NUTR1023 Health and Fitness Through Diet and Exercise

Summer Semester 2017

Module 2 – Physical Activity and Health (PART 1)

Objectives

At the end of this module students will be able to do the following:

• Describe risk factors for lifestyle-related diseases, identifying which are primary,

secondary, modifiable and non-modifiable.

• Describe evidence supporting the roles for exercise and physical activity

participation in the prevention of lifestyle-related diseases such as cardiovascular

disease, cancer and diabetes.

• Describe the dose–response relationships for exercise and physical activity

interventions on lifestyle-related outcomes.

• Describe the process of atherosclerosis, and possible mechanisms by which exercise

may intervene in this process.

• Describe the specific effects of exercise and physical activity on risk factors for

lifestyle-related diseases.

• Describe the research literature related to the role of exercise in the secondary

prevention of disease and the control of blood pressure, blood glucose and insulin

resistance.

• Explain the role of sedentary behaviour and physical activity in the aetiology,

prevention and management of lifestyle-related chronic diseases.

Study Tasks

1. Watch the video 23 and 1/2 Hours by Mike Evans before completing the following

activities:

• How much does physical activity reduce pain and disability in those with knee

arthritis?

47%

• How much does physical activity, with other lifestyle interventions, reduce

the progression to diabetes in those at risk?

58%

• Describe the benefits of having high cardiorespiratory fitness.

Low cardiorespiratory fitness is the largest predictor of death, so being able to

exercise, increases health in many areas.

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Document Summary

Nutr1023 health and fitness through diet and exercise. Module 2 physical activity and health (part 1) 58: describe the benefits of having high cardiorespiratory fitness. Low cardiorespiratory fitness is the largest predictor of death, so being able to exercise, increases health in many areas: explain the amount of exercise required to achieve health benefits. Big differences can be seen when a person goes from doing nothing to something (eg/ one hour exercise per week (from previously zero) decreases heart disease by almost half). It is said that half an hour of exercise per day is optimal which can be broken down (eg/ 10 minute intervals). Intensity can be varied: describe the health risks associated with prolonged sitting. Compared with people who watch no tv, people who watch approximately 6 hours per day were expected to live 5 years less: watch the videos (cid:858)physical activity and health(cid:859) and (cid:858)physical activity and all-cause.

Related Questions

Please, help me answer the following questions on Chronic Diseases and Risks. No guess work, thank you!

QUESTION 1 Chronic diseases generally have several underlying characteristics, including a. A long latency period between exposure to risk and disease outcomes b. Low degree of preventability c. High curve rate d. None of the above

QUESTION 2 Which of the following risk factors collectively explain a significant proportion (not incidence) of most chronic diseases? a. Tobacco, alcohol, diet

b. Tobacco, alcohol, diet, physical activity c. Alcohol, physical activity d. Tobacco, diet, physical activity

QUESTION 3 Adherence to treatment is influenced by several interacting dimensions including a. Social and economic factors b. Healthcare system factors c. Condition-related factors

d. Therapy-related factors e. Patient related factors f. All of the above

QUESTION 4 _________ is the leading cause of cancer in both developed and developing countries worldwide a. Radiation exposure b. Tobacco use c. Pesticide exposure d. Air pollution QUESTION 5 This week's YouTube video on treating non-communicable diseases in Rwanda showed how a community health worker helps to treat heart disease, diabetes and _______ a. Cancer b. Asthma c. Hepatitis d. HIV/AIDS

QUESTION 6 Which of these are myths of chronic disease control a. Benefits of chronic disease control accrue not only to the individual but also to the population b. Economic growth improves all health conditions c. Chronic diseases are associated with low SES/poverty d. Chronic disease only occurs in the elderly e. a and c f. b and d

QUESTION 7 ___________ remains the leading cause of death among both men and women in low- and middle-income countries a. Cancer b. Cardiovascular disease c. Diabetes d. Obesity e. Respiratory disease

QUESTION 8 Chronic disease in adults accounts for approximately 60% of all deaths worldwide. True False

QUESTION 9 The WHO's Innovative Care for Chronic Conditions Framework includes a positive policy environment True False

QUESTION 10 It is estimated that the overall number of cancer cases will rise by 50% in the next 20 years. True False

periwinkleskunk371

PLEASE ANSWER ALL QUESTIONS..PLEASE NOT ONLY 1 QUESTION. THANK YOU

QUESTION 1. Chronic diseases generally have several underlying characteristics, including a.A long latency period between exposure to risk and disease outcomes b. Low degree of preventability c. High curve rate d.None of the above

QUESTION 2.Which of the following risk factors collectively explain a significant proportion (not incidence) of most chronic diseases. a.Tobacco, alcohol, diet b.Tobacco, alcohol, diet, physical activity c. Alcohol, physical activity d.Tobacco, diet, physical activity

QUESTION 3.Adherence to treatment is influenced by several interacting dimensions including a.Social and economic factors b. Healthcare system factors c.Condition-related factors d.Therapy-related factors e.Patient related factors f.All of the above

QUESTION 4. _________ is the leading cause of cancer in both developed and developing countries worlwide a.Radiation exposure b. Tobacco use c.Pesticide exposure d.Air pollution

QUESTION 5.This week's YouTube video on treating non-communicable diseases in Rwanda showed how a community health worker helps to treat heart disease, diabetes and _______ a.Cancer b.Asthma c.Hepatitis d.HIV/AIDS

QUESTION 6.Which of these are myths of chronic disease control a.Benefits of chronic disease control accrue not only to the individual but also to the population b.Economic growth improves all health conditions c. Chronic diseases are associated with low SES/poverty d.Chronic disease only occurs in the elderly e.a and c f.b and d

QUESTION 7 ___________ remains the leading cause of death among both men and women in low- and middle-income countries a.Cancer b.Cardiovascular disease c. Diabetes d.Obesity e.Respiratory disease

QUESTION 8.Chronic disease in adults accounts for approximately 60% of all deaths worldwide. True False

QUESTION 9.The WHO's Innovative Care for Chronic Conditions Framework includes a positive policy environment. True False

QUESTION 10.It is estimated that the overall number of cancer cases will rise by 50% in the next 20 years. True False

QUESTION 11.Comorbidity refers to simultaneous occurrence in a person of two or more disorders; comorbid conditions can increase the risk of adverse outcomes. True False

QUESTION 12.Emerging evidence supports starting promotion efforts during pregnancy and early childhood and continuing efforts throughout life lower exposures to major chronic disease risk factors. True False

QUESTION 13. Increased cumulative exposure to risk factors over the lifecourse combined with social and economic inequalities, leads to the levels of inequalities seen in later adult life. True False

QUESTION 14.The "compression of morbidity" model proposes that morbidity due to aging cannot be postponed or mitigated by disease prevention programs True False

QUESTION 15.There is few significant funding sources for chronic diseases in low-and middle-income countries. True False

QUESTION 16.To combat chronic diseases, modern, evidence-based interventions emphasize shared decision making and collaborative goal setting among providers and patients. True False

QUESTION 17.In the absence of legislative, financial and engineering approaches, health education programs often have a limited impact on preventing or reducing chronic diseases. True False

QUESTION 18. It is estimated that deaths from diet-related chronic disease in China will triple between 1995 and 2025. True False

QUESTION 19.The third highest percent of global DALY's is attributed to which risk factor? a.Alcohol use b.Tobacco use c.Unsafe sex d.Childhood underweight

QUESTION 20.In the 1990's which country experienced a substantial decline in male life expectancy as a result of dramatic socio-political changes a.China b.Russia c. India d.Canada

jademole302

Medical History:
Mrs. KY is a 45 yr old Caucasian female, married with two teenage sons. She is employed as a senior manager at a large bank and reports experiencing an âabove averageâ level of tension and stress. She presents at the referral of her primary care physician, who has observed that the client has elevated blood pressure and cholesterol levels that may be attributed to her stressful and highly sedentary job. In addition, the client admits that she would like to lose 30 to 40 lb (14 to 18 kg) and improve her fitness so that she can ride her bike with her husband on a community rail trail recently installed by her neighborhood.

Diagnosis:
Mrs. KY is a sedentary but otherwise healthy middle-aged female with significant risk factors for cardiovascular disease including obesity, dyslipidemia, and psychosocial stress. At the request of her physician she seeks to start exercising as part of a disease prevention program.

Exercise Test Results:
The client is 5 feet 6 in. tall (168 cm) and weighs 196 lb (89 kg), with a body mass index of 31.7. She has a resting heart rate of 85 beats Â· minâ1 and a resting blood pressure of 136/89 mmHg. Her total cholesterol is 198 mg Â· dlâ1 untreated, and her high-density lipoproteins are 34 mg Â· dlâ1. Her graded treadmill stress test revealed that she has a V.O2max of 20.5 ml Â· kgâ1 Â· minâ1, which is normal for an unfit woman of her age range. Her electrocardiogram was also unremarkable at rest, as well as during and following her test. In addition, she reported smoking from ages 17 to 40. She also complains of occasional joint stiffness in her hands and ankles. The client describes herself as nonathletic and admits to never participating in an organized sport or exercise setting. She is aware of the benefits of exercise but did not feel an incentive to begin a formal program until her doctorâs recommendation. The client jokes that although her workday is highly organized and structured, the rest of her life is chaotic and that it is due only to the support of her husband and kids that anything gets done at home. She laments that her eating habits are atrocious and that she is so tired when she gets home from work that she has only enough energy to make dinner before crashing in front of the television. She presents to you to start a workout program that will help achieve her goals.

Exercise Prescription:
The exercise plan including the traditional componentsâfrequency, intensity, duration, and modality (discussed in detail in later chapters)âmay be tailored to address specific risk factors. The subjectâs medical history, however, clearly indicates that this person had not prioritized exercise participation until she received her doctorâs recommendation. Moreover, she presents with numerous potential barriers to engaging in a physically active lifestyle, as well as behaviors that contribute to her overweight status. The clinician should assist the participant in establishing awareness and developing strategies to address those barriers. Furthermore, the clinician should consider tailoring strategies for motivating the participant toward the adoption of a healthy, physically active lifestyle.

Questions:
1. Applying the transtheoretical model, at what stage of exercise adoption is this client?

2. Based on your response to question 1, what types of interventions are most appropriate for this stage of change and why?

3. If you used the health belief model, what factors would you emphasize to achieve optimal exercise adherence?

4. How would Banduraâs social cognitive theory be relevant to fostering exercise adherence for this client?

NUTR1023 Lecture Notes - Lecture 2: Coronary Artery Disease, Exercise Intensity, Cardiorespiratory Fitness

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