, what is densitometry based on? - ✔✔principle of displacing water or air and then calculating body
density
body density = - ✔✔proportion of body mass to body volume
hydrodensitometry - ✔✔weighing a person underwater
plethysmography - ✔✔air displacement in a closed chamber
(T/F) lower body fat % = higher body density? - ✔✔true
maximal oxygen uptake - ✔✔measures the difference between oxygen levels in the arteries and veins
times maximal cardiac output
open circuit spirometry - ✔✔blows into a mouth piece, goes into system measuring metabolic
parameters with computer readout
two types of field tests - ✔✔12 minute test, 1.5 walk/run test
disadvantage of field test - ✔✔no way to check HR or BP
advantage of field test - ✔✔only need a stopwatch
cycle ergometer test - ✔✔BP and HR taken during all increments, when steady, work load is increased.
when do you terminate a cycle ergometer test? - ✔✔when client reaches 85% of maximal HR
Astrand-Rhyming nomogram - ✔✔graph with scales that predict oxygen uptake from other parameters
such as HR
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