HUN 2000 Lecture Notes - Lecture 5: Heat Cramps, Heat Stroke, Electron Transport Chain
21 Aug 2016
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Fitness = ability to perform routine physical activity without undue fatigue. * determines how long one can continue a task with an elevated heart rate. Fit individuals have a slower resting heart rate. Cell"s ability to use oxygen to produce energy. Greater vo2 max = most intense workout someone can do before lack of o2 affects performance. Muscle strength and endurance (strength training + resistance training exercise) * enhances ability to push and lift (weightlifting) Benefits prevention of chronic disease and maximize bone mass. * determines range of motion (how far one can bend) Helps increase and maintain flexibility by regularly moving through their full range of motion. * physically fit = greater proportion of lean body tissue. Lean body mass can be found by measuring body composition ( % body fat) More lean tissue = keep energy needs high. Reduces risk of osteoporosis & joint disorder. Energy sources for exercise = atp & creatine phosphate.
