The RPE (Rating of Perceived Exertion) was developed by Borg to describe a person's perception of exertion during exercise. Dr Borg is an Emeritus Professor at Stockholm University.
Exertion
RPE
no exertion at all
6
extremely light
7
8
very light
9
10
light
11
12
somewhat hard
13
14
hard (heavy)
15
16
very hard
17
18
extremely hard
19
maximal exertion
20
From the plot of heart rate during bicycle ergometry and RPE (Figure 7.3), the following equations were approximated:
minimal heart rate in beats per minute =
= (6.75 * (RPE)) + 28.5
mean heart rate in beats per minute =
= (8.2976 * (RPE)) + 28.88
maximal heart rate in beats per minute =
= (10.314 * (RPE)) + 28.876
For all of the RPE values, the following table can be derived.
RPE
Minimal Heart Rate
Mean Heart Rate
Maximal Heart Rate
6
69
77
91
7
76
85
101
8
83
93
111
9
89
101
122
10
96
110
132
11
103
118
142
12
110
126
153
13
116
135
163
14
123
143
173
15
130
151
184
16
137
159
194
17
143
168
204
18
150
176
215
19
157
184
225
20
164
193
235
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