Cardiovascular Fitness Effect on the Rate of Heart Beat

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Table of Contents

Introduction
Methods and Materials
Results
Conclusion
Bibliography

Introduction

The purpose of this experiment is to determine the effect that cardiovascular fitness has on the rate of the heart beating. Cardiovascular fitness refers to the extent to which the cardiac muscles are adapted to strenuous activities. The rate of the heart beating is also called the pulse rate and simply refers to the speed at which the heart pumps blood from the left ventricle to the rest of the body for circulation. Before the beginning of any exercise, the pulse rate normally increases and this is referred to as anticipatory response. In the course of the exercise, respiration rate increases require more blood supply (oxygen) to the body tissues, thus increasing the need for faster pumping of the blood. As a result, the heart has to pump more blood per time unit to meet the new demand for oxygen in the body (Plowman & Smith, 2007).

Regular exercise has some adaptive impact on the rate of the heartbeat. A person who engages in frequent exercising prompts his or her muscles to get used to the strenuous activities. This makes his or her cardiac muscles exhibit an insignificant rate of beating in the case of physical activities that are quite demanding. On the other hand, an individual who exercises less number of times is bound to experience a great change in the rate of heartbeat for a less tasking exercise. As such, a person who is physically fit experiences less pulse rate in comparison to that person who exercises less number of times for the same physical task (Hoeger & Hoeger, 2010).

Methods and Materials

In this experiment, a stopwatch was the only equipment that was needed. Also, four individuals were required to participate in the experiment. One of the persons was the one who had previously taken part in some physically strenuous activity (athletics) and another one was that who had not participated in much of such activities. The other two members served as the personal trainers for the test subjects (Coursework.Info 2011).

For the procedure, the two test subjects stepped up and down on a low platform for 3 minutes at a rate of approximately 30 steps per minute. The personal trainers then measured and recorded the resting pulse rate of each subject. The results were tabulated in a table.

Results

Table 1.1: Results for the test experiment

Pulse Rate (beats per minute)	Athlete	Non-Athlete
Before Step Test	73	71
After Step Test	105	92

Table 1.2: Athletes

Pulse Rate (beats per minute)	1	2	3	4	5	6	7	9	11	12	Average
Before Step Test	73	72	69								71
After Step Test	89	90	91								90

Table 1.3: Non-Athletes

Pulse Rate (beats per minute)	1	2	3	4	5	6	7	8	9	10	11	12	Average
Before Step Test	70	69	71										70
After Step Test	102	98	104										101

Table 1.4: Difference Pulse rate before and after the aerobic exercise

	Average pulse rate before	Average pulse rate after	Difference
Non-Athlete	70	101	31
Athlete	90	71	19

From the results obtained for table 1.3 and 1.4, it was essentially clear that individuals who are athletes experienced lesser rates of heartbeat relative to those who are non-athletes.

Conclusion

From the experiment, it is worth concluding that the rate of a heartbeat after an exercise is heavily dependent on the physical fitness of cardiovascular fitness. Therefore, the objectives of the experiment were met (University of Maryland Medical Center (UMMC) 2011). Furthermore, the hypothesis that a person who is physically fit experiences less pulse rate in comparison to that person who exercises less number of times for the same physical task was found to be true.

Bibliography

Coursework.Info. (2003) The effect of exercise on pulse rate. Web.

Hoeger W, Hoeger A. 2010. A Personalized Program on Lifetime Physical Fitness and Wellness. London: Cengage Learning.

Plowman SA, Smith DL. 2007. Exercise Physiology for Health, Fitness, and Performance. New York City, NY: Lippincott Williams & Wilkins.

University of Maryland Medical Center. (2011) Exercise’s Effects on the Heart. Web.

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Cardiovascular Fitness Effect on the Rate of Heart Beat

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