Borg Scale of Perceived Exertion (RPE)
Using the RPE scale duiring exercise testing allows the prescription of exercise intensity based on the patient's perception of exertion
Very, very light	6
	7
	8
Very light	9
	10
Light	11
	12
Somewhat hard	13
	14
Hard	15
	16
Very hard	17
	18
Very, very hard	19
	20

Table 1