KNH 188 Exam 1 Practice Questions & Answers, Physical Activity and Health, Rated 100%

KNH 188 Exam 1 Practice Questions & Answers, Physical Activity and Health, Rated 100%-What are the 5 pillars of public health? - 1. epidemiology 2. environmental health 3. health promotion/education 4. health administration/policy 5. biostatistics What is public health? - health of a population as a *whole* What is chronic disease? - illness/disease that persists over time (ex. coronary artery disease, cancer, diabetes) What is Epidemiology? - studying the causes and effects of diseases in order to reduce risk factors What is Kinesiology? - 1. exercise physiology 2. movement science 3. sports and exercise psychology London Bus Conductors & Postal Workers - Dr. Jeremy Morris: -studied heart disease and inactivity with london bus drivers and postal workers -found that postal workers have reduced risk of heart disease Who is Dr. Ralph Paffenbarger? - -student of Dr. Morris -furthered Morris' study by determining how much activity is necessary to reduce risk of heart disease Who is Dr. Steven Blair? - -conducted *Aerobic Longitudinal Study* -"the more inactive you are, the higher your risk of death" What is Physical Activity? - any physical movement that increases energy expenditure above resting What are the benefits of activity? - 5,000 steps per day = heart health 10,000 steps per day = manage weight What does FITT stand for? - Frequency: how often Intensity: how hard Time (duration): how long Type: mode What are the exercise principles? - -progressive overload: gradual increase of demand on muscles -specificity of training: making adaptations to to a specific group of muscles/muscle systems -variability: mix up workouts to avoid burnout -reversibility: what you don't use you lose What is cardiovascular endurance? - cardio-respiratory-vascular-muscular endurance (heart-lungs-blood vessels-muscles) What is caloric expenditure? - how many calories you burn What is gross energy expenditure? - the number of calories burned during activity combines with number of calories burned at rest What is net energy expenditure? - calories burned during exercise/activity What is Metabolic Equivalent (MET)? - measurement of how much oxygen and energy your body uses at rest What is accumulation? - how much activity you can accumulate over the course of a day