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Gatorade vs. Water

Wrap Up

Conclusion

This experiment could not produce definitive results. The data was too skewed and inaccurate to be correct. The predictions for this project could neither be proven nor disproven. The results from this experiment were not comparable to the results gathered from the previous experiment in any way.

Annabelle Mosier & Emily Greenspan

Reflection

There were several surprises discovered by this project. One of the surprises what that the data did not produce accurate results. With all of the advertising done by companies, like Gatorade, more consistent results were expected. Something this experiment could do differently to help create more consistent results would be to make sure there is a much bigger sample size. By completing this project, some knowledge was gained by the outcome of this experiment. We learned that even though electrolyte sports drinks do have scientific benefits, sometimes the results are not able to be seen in performance.

Materials

  • 1 Sphygmomanometer
  • 2 8oz glasses of Water
  • 2 8oz glasses of Gatorade
  • 5 4in Panel Mats
  • 1 .5m Block
  • 6 or more healthy volunteers

Methods Continued

6.Begin testing and make sure that each test is staggered 5 minutes to allow the participant's blood pressure and heart rate to be taken immediately after exercise.

7.Have each volunteer perform the plyometric exercises several times to increase their heart rate.

8.Immediately take and record participant’s heart rate and blood pressure after they complete the exercises.

9.Analyze the data and calculate the differences in the percentages between the people who consumed the water versus the people who consumed the Gatorade.

Knowledge for Experiment

Heart rate refers to the amount of times your heart contracts in a measured amount of time, most commonly measured in minutes. Heart rate measures the number of contractions in the lower portion of the heart (the ventricles). As the blood gushes through the heart, it creates a bulge in the artery.

Heart Rate

Previous Research

Blood pressure is the amount of pressure on the walls of the arteries. Blood pressure is typically written as two numbers in a fraction. The top number (systolic) is the higher number of the two and measures the amount of pressure in the arteries when the heart contracts (when the heart beats). The lower number (diastolic) measure the pressure in the heart while the heart is at rest and refilling with blood (between heartbeats).

Blood Pressure

In 2008. this experiment was performed by Taylor V. Borges and Madeleine T. Kinder. Their purpose was to was to study the effect of electrolyte sports drinks on seventh grade students by measuring blood pressure and heart rate. The prediction was that the that the electrolyte drink would help maintain a lower blood pressure and heart rate than water alone. The results for the blood pressure measurement showed that subjects who drank water had a 38% increase (systolic) and a 6% increase (diastolic) vs. subjects who drank electrolytes had a 5% increase (systolic) and a 7% decrease (diastolic). The results for the heart rate measurements showed that subjects who drank water had a 73% increase vs. subjects who drank electrolytes had a 43% increase. The conclusion of this experiment was that the electrolyte sports drink did help maintain a lower blood pressure and heart rate. Though the results proved the hypothesis, the large difference in the blood pressure and heart rate was unexpected.

Methods

1.Collect six or more healthy volunteers ranging in age from 12-14.

2.Divide the volunteers into equal groups, and assign each group either Gatorade, water, or nothing (as a control).

3.Have each volunteer consume their assigned substance.

4.Wait ten minutes for the drink to enter the body.

5.Record each participant’s heart rate and blood pressure before they perform the exercises.

Fundamentals

Question

Do sports drinks effect heart rate and blood pressure before and after exercise?

Prediction

Data

It is predicted that the participants who consume the sports drink will maintain a lower heart rate and blood pressure during exercise, than the participants who take water alone.

Heart Rate Chart:

Background

Bibliography

Sports drinks are used everywhere as a source of refueling and rehydrating. Sports drinks contain electrolytes, carbohydrates, and other supplements. Carbohydrates are simple sugars that your body uses as a source of energy. Sports drinks also contain electrolytes. Electrolytes (or ions) are minerals in your body that carry an electrical charge. Electrolytes maintain the voltages and carry impulses across the cell membranes. When you exercise, you lose vast amounts electrolytes that need to be replaced to keep electrolyte levels constant.

Blood Pressure Chart:

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