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# Investigating the Short-Term Effects of Exercise on the Body.

Extracts from this document...

Introduction

Middle

Apparatus list: The following apparatus will be required, to be used in the experiment: * Stopwatch / time measuring equipment * Heart rate monitor (optional) * Trundle wheel / measuring tape * Thermometer * Calculator Plan: Firstly, all apparatus required will be organised and arranged in the area in which the exercise will take place. Firstly, 30 metres will be marked out in a straight line, using the trundle wheel. Then, the person completing the exercises will measure and record their resting pulse rate (measured in beats per minute). Then, the person will run the 30 metres marked out as quickly as possible, and their time will be recorded. After the exercise period, the person's pulse rate will be measured for one minute, and recorded. A one-minute resting interval will be carried out, and then the pulse rate measured and recorded again. This will continue until the pulse rate returns to the resting pulse rate. The recovery rate will then be worked out. This entire exercise will be repeated by the same person, as before - for accuracy of the results. After this, a second intensity of exercise will be carried out. Firstly, an area in which an exercise of 30 step-ups can take place will be found. Next, the person's resting pulse rate (measured in beats per minute) ...read more.

Conclusion

could have had an effect on the results, as could the variables that could not be controlled - 'temperature of the surroundings'. The measurements of pulse rate, accounting for degree of error could have been 1b.p.m. The measurements of recovery rate, accounting for degree of error could have been 30 seconds (0.5 minutes). The differences in temperature during the conduction of the experiment could also have been approximately 1degree. These three factors could have affected the results, but not greatly. Therefore, I feel that the evidence gained, in conjunction with the graphed results found is sufficient to support a firm conclusion as shown. In order to improve the accuracy of the evidence further, the following changes could be made to the overall experiment: * Electronic measuring devices could have been used to measure the pulse rate changes with great accuracy before, during and after the exercises were completed. * Electronic measuring devices could also have been used to measure the recovery rate of the person with greater accuracy. * Other more effective outcome variables could have been used in place of 'recovery rate' that was used. These would have required the use of very complex systems that measure 'breathing rate' and 'depth of breathing'. * To overcome the temperature differences present with the experiment, the exercises could take place in a controlled environment, such as a sports hall where the temperature could be kept at a constant. ?? ?? ?? ?? Page 1 ...read more.

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