KNES 303 Lecture Notes - Lecture 14: Exercise Prescription, Vo2 Max, Exercise Intensity
14 Mar 2020
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Knes 303 lecture 14 adaptive responses to exercise (central component) Lower sv is women so lower co, lower airway structure size, and lower o2 carrying capacity to the periphery: this results in a lower vo2max in women compared to men for the same fitness level. In women, mitochondrial density is higher, type i fibers are proportionately (not absolutely) higher, and fat oxidation is greater: this results in lt and mlss/cp occurring at a greater percentage of vo2max in women compared to men. In order to match the metabolic stress between women and men, women should exercise at a greater percentage of vo2max and/or hrmax. If we want to standardize the exercise prescription, it is likely that we should be increasing the intensity prescribed for women. Cardiac output: co = amount of blood pumped out of heart with each beat = sv x. Hr: co at rest is 5l and is distributed through many different tissues.
