Table 3.

Example of a subject’s speed, grade, metabolic equivalents (METs), heart rate (HR), and rating of perceived exertion (RPE) response values during a graded exercise testing using a Balke type treadmill protocol.

Speed (m·s−1)	Grade (%)	METs [21]	HR	RPE
0	0	1	70	6
1.34	0	3.3	95	8
1.34	2	4.1	115	10
1.34	4	4.9	133	12
1.34	6	5.8	150	14
1.34	8	6.6	155	16
1.34	10	7.4	160	18.5