Question

question 30
treadmills, cycles, and swimming flumes are used to estimate vo2max. what are these devices called?
tissot spirometers
ergometers
cardiac rehab devices
training equipment
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Explanation:

Treadmills, cycles, and swimming flumes are used to estimate $\dot{V}O_{2max}$ (maximum oxygen uptake). Ergometers are devices that measure the work done by a person during physical activity. Tissot spirometers measure lung volumes. Cardiac rehab devices are for post - heart - problem recovery. Training equipment is a general term. Since the question is about devices to estimate $\dot{V}O_{2max}$ (related to measuring work/effort during activity), ergometers fit best.

Answer:

ergometers