The RPE chart is as follows ... People doing moderate exercise (like walking or cycling) can generally talk. People doing intense exercise can’t carry on a conversation without taking a breath.

Methods: Nine pairs of experienced, recreational tandem cyclists rode a tandem or their single bicycle for 5 min at each velocity of 19.3, 22.5, 25.8, and 29.0 kph on a flat, paved surface. Heart rate ...

Furthermore, we compared brain activation at different levels of ratings of perceived exertion (RPE) generated during the exercise. Methods Seven healthy adults performed cycling exercise in a novel ...