This experiment was performed to investigate the hypothesis: greater athletic training yields a lower pulse rate after strenuous activity.

After performing Experiments 15.1 and 15.2 (Dickey 1995), our team decided to measure the increase in heart rate from resting to active between members of the same sex but with different athletic training experience. Our team was interested in investigated whether athletic training has an effect on pulse rate after strenuous activity. Athletic ability is subjective, therefore after evaluation, our team decided upon one common variable that could be measured in this type of experiment. The three subjects were asked to provide an average of miles ran during one week of cardiovascular training.

To measure pulse rate, we used the standard method of holding the index and middle fingers to the carotid artery in the neck for 15 seconds. Multiplying this number by 4 gives the pulse rate per minute.

Our prediction was that the higher the athletic training, the lower the resting pulse rate and pulse rate after strenuous activity.

Before beginning the physical aspect of out expe

After recording all three subjects' resting pulse rates, our team moved the subjects to a stairwell, where they preceded to walk the stairs at a moderate speed. The subjects walked the stairs for 4 minutes. At the end of 4 minutes, the subjects were asked to take their pulse again to attain the active pulse rate.

Figure 1.0 Resting and Active Pulse Rates for Subjects with Different Levels of Athletic Training

Active Pulse Rate (beats per minute) 194 176 160

People with greater athletic training have a lower pulse rate than those with less training. A lower pulse rate is consistent with greater athletic ability.

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