Hopefully part I has helped to illustrate how important it is to have a handle on what is going on on the training field as well as in the weight room. This part now is written with the collegiate strength and conditioning coach (SCC) or private trainer in mind. Part III will cover what to look for when you analyze the numbers you get from this and some suggestions in program design.
Using a Rating of Perceived Exertion as a method of monitoring training was first formalized by Borg in the late 40 years ago. Research has shown correlation between RPE and other measures such as heart rate, lactate levels, and oxygen consumption (see J Sp Sci, 20: 873-899).
Initially, a 6-20 scale was suggested: