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Fig. 3 | Substance Abuse Treatment, Prevention, and Policy

Fig. 3

From: The physiological and perceptual effects of plant extracts (Catha Edulis Forsk) during sustained exercise

Fig. 3

This shows details of the experimental measurement of time trial, perceived exertion, heart rate and core temperature. The computrainer device is shown in the left panel. Details of the rate of perceived exertion scale (Borg’s RPE 20-point Scale) and Polar Heart Rate Monitor are in the middle panel. The right panel shows a volunteer whilst their temperature is measured

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