KIN 3502 Test 2 Notes

KIN 3502 Test 2 Notes - Aerobic Fitness Ability of the body...

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Aerobic Fitness Ability of the body to use oxygen to produce movement Ability of the heart, lungs, and blood vessels to supply oxygen to working muscles and the ability of the muscles to use the available oxygen to continue work or exercise Combination of ability of cardiovascular system and lungs ability to extract and transport oxygen and the ability of the muscles to convert the oxygen into muscular force Oxygen Consumption Is the volume of oxygen used by the body under given conditions; VO2 may be measured at rest VO2 max – when measured during maximal exercise The best index of aerobic fitness Why is Aerobic Fitness Important? Aerobic fitness is inversely (negatively) related to mortality Is a predictor of performance in many sports Contributes quality of life Predictors of Aerobic Fitness Age Inverse U-shaped relationship - increases to about age 25, then decreases Gender Lower in males than females Training Positive relationship Percent body fat Negative relationship How do we quantify Aerobic Fitness? VO2 Max – An individual’s maximal O2 consumption Expressed as volume (mL or L) per minute Because VO2 Max varies as a function of body size, it is often expressed relative to body mass Relative VO2 Max is expressed as mL/minute kg How do we quantify Aerobic Fitness? MET – metabolic equivalent (is the amount of oxygen used at rest!!!)
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3.5 mL/minute kg Equivalent to the volume of O2 consumed at rest In Your Groups What test characteristics would you consider when choosing and aerobic capacity test? Considerations for Aerobic Capacity Testing Accuracy, reliability, validity of test Safety Cost Expertise Equipment Participant characteristics Lab-based tests Cycle Ergometer/Treadmill Submaximal/Maximal Pros: Control conditions Accuracy of measurement Safety Cons: Cost Expertise Time Field Tests Maximal distance run tests, walking/jogging Pros: Cheap Concurrent testing Cons: Less precise estimates Safety
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Accuracy of measurement Non-exercise models University of Houston Equations Pros: Minimal measurement
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This note was uploaded on 06/01/2011 for the course KIN 3502 taught by Professor Porter during the Spring '08 term at LSU.

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KIN 3502 Test 2 Notes - Aerobic Fitness Ability of the body...

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