OBJECTIVE: To assess the test-retest reliability (repeatability) of Borg's 6-20 rating of perceived exertion (RPE) scale using a more appropriate statistical technique than has been employed in ...
The original Borg scale began at 6 and went all the way to ... And 10% going truly hard and 20% therefore injured. More ...
Where RPE Originated: RPE is actually an updated (and simpler) take on the original Borg Rate of Perceived Exertion scale, which went from six to 20 and was much more correlated with heart rate ...