A few days ago during science class, the class broke up into groups to do an experiment. The experiment involved testing one's heartbeat rate after undergoing different levels of exercise. My group which included myself and two of my buddies tested our heartbeat rates after resting, mild exercise, moderate exercise, and rigorous exercise. Mild exercise was 10 squats, moderate exercise was 20 push-ups, and rigorous exercise was sprinting around our campus. This experiment was not only the most exercise I had received in months (which is pretty sad) but it was also a lot of fun. Anyway, we used a sphygmomanometer (blood pressure meter) that used an ipad or iphone as the monitor which was pretty awesome. This blood pressure meter also showed our BPM or heartbeats per minute (which essentially shows us our heartbeat rate). The app is called Withings, so definitely check it out. Pretty much what we found was that one’s heart rate increases with more and more rigorous forms of exercise. This could possibly be because your muscles need more oxygen the more they are exerted. Thus, your heart has to pump faster in order to deliver more blood (with oxygen) to your muscles. We also noticed that different people have different heartbeat rates after each exercise and also different recovery times. The different recovery times could be the result of numerous things such as different body types, different diets, different exercise habits....etc. We also recorded our blood pressure during the different exercises and when resting. In general, our blood pressures increased the more we exerted ourselves possibly because of the large amounts of blood that is traveling through the blood vessels during exercise. A table with our results can be seen below along with a graph representing our data.
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