Cardiopulmonary Considerations Vital Capacity (VC) VC= max amt. Of air exhaled after complete inspiration VC= TV + IRV + ERV Norms: Elders Males: 3.88l Females 2.61 liters 25 y. o. Males: 5.05l Females 3.35 liters An 65 yo has ~77% of a 25 yo’s VC CP Tests and Measures
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Ventilary responses to ExerciseEx of low or mod intensity is ~ to young except that the elder may be ex at a higher % of max capacity.During intense ex. High blood lactate concentrations create > bl acidosis. Increased ventilation occurs to expire CO2 and DEC. acidosisElders work harder breathing during submax ex so the perceive greater exertion
4. Peripheral vascular resistance