KINE 1400 Chapter 1 Notes
KINE 1400 Chapter 1 Notes kine 1400
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This 3 page Class Notes was uploaded by Abby Chase on Tuesday September 6, 2016. The Class Notes belongs to kine 1400 at University of Texas at Arlington taught by David M Keller in Fall 2016. Since its upload, it has received 207 views. For similar materials see INTRODUCTION TO EXERCISE SCIENCE in Kinesiology at University of Texas at Arlington.
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Date Created: 09/06/16
CHAPTER1 Health,Fitness, and performance 8/30/16 Health o Delaydeath, avoid disease,enjoy life,withstand challenges,improve systolic blood pressure and lipid profiles,losebody fat Fitness o Continued health benefits, development of components of fitness Performance Leading Causes ofDeath inthe US Cardiovasculardisease(diseaseoftheheart and cerebrovascular) Cancer (leading causein22 states) Chronic lower respiratory disease Accidents Alzheimer’s disease Actual Causes ofDeath Smoking Poor diet and physical activity Alcohol consumption It naturally follows the delaying death involves refraining from tobacco exposure and improving and activity habits Major RiskFactor Categories Inherited/Biological o Age– some diseases varyby what ageyou are at o Gender – women higher chanceof breast cancer o Race o Susceptibility to disease Environmental o Physical:air,water, noise,unsafe highways o Socioeconomic: income, housing,employment status,education o Family: divorce, death of loved one, children leaving Behavioral o Smoking o Inactivity/poor nutrition o Drinking alcohol o Overuse of medication o Fastdriving/no seatbelt o Pressure to succeed (stress) IncreasePhysical activityand cardiorespiratory fitness ->decreasethe riskof heart disease Over many years, “small amounts” of exercise(below the ACSM-American collegesports medicine- standard) reduced the riskof heart diseaseandother health problems You don’t haveto be fitin order to benefit from physical activity Subcategories of Physical Activity Self-careor dailytasks Occupational or leisuretime activity Recreational activity Structured activity(exercise)or competitive sport Impact of regular physical activityon health Improved Cardiorespiratory health Improved metabolic health Improved musculoskeletal health Reduction incertain types of cancers Improved mental health Improved functional abilityand overall reduction infalls Previous PA guidelines emphasized fitness inorder to improve health 1972 American Heart Association o Beginat 75% HR max, 3 days x week, 15-20 min 1973 YMCA o 80% VO2 max, 3days per week, 40-45 min 1975 ACSM o 70-90% VO2 max, 3-5 days xweek, 20-45 min >2000 cals expended through leisure-time physical activity(LTPA),regardless of intensity, yielded a 36% decreaseinthe riskof developing a heart attack The focus of physical activityshifted from higher intensity (fitness)to: o Health outcomes o Volume of activity (frequency, intensity, duration) o Leisure-time physical activity(LTPA) 2002/2003 changedfocus to obesity 2007 changed focus to disease the more activeyou canbe in your non exercisetime will have an extreme benefit 30 min moderat3e intensity 5 x per week 20 min vigorous 3x per week Doing more of the minimum increases the health benefits o Moderate intensity: 40-59% VO2 max or HRR o Vigorous Intensity: 60-84% VO2 max or HRR The higher level of exercisethat you do, the higher benefit you will have, but there will alsobe more risks and harms PhysicalActivity First setof national guidelines o Substantial health benefits occur at a PA volume of 500-1000 MET mintes per week o One minute of vigorous intensity is equal to 2minutes of moderate intensity activity 150 minutes of moderate activity per week 75 minutes of vigorous activity per week o 3.5ml per kg/min while at rest =1 MET o 10 MET =35ml per kg/min Physicalfitnesscomponents Cardiorespiratory function: the ability of the circulatory and respiratory system to provide fuel during sustainedphysical activity Relativeleanness:amount of body weight that is fatvs nonfat or body composition Muscular strength: the ability offthe muscleto generate maximal amounts of force Muscular endurance: the abilityof the muscles to perform repetitive contractions over a prolonged time Flexibility: the abilityto move a joint through its full range of motion without discomfort or pain Performance-related components(TEST) Speed Agility:ability to stop, start, and move the body quickly indifferent directions Balance:Ability to maintain a certain posture or to move without falling Power: DEFINITION Coordination: Ability to perform a taskintegrating movements of the body and different parts of the body Reaction time: DEFINITION Original ergometer used in experiments to assess metabolismduring exerciseduring the 1900’s
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