Example Of The Objectives Of This Experiment Are As Follows: Research Paper

Type of paper: Research Paper

Topic: Heart, Fitness, Sports, Experiment, Exercise, Value, Information, Education

Pages: 3

Words: 825

Published: 2021/01/11

Introduction

Circulatory system is one of the body systems. In association with other body systems, it supplies oxygen and nutrients to the entire body (Bjorklund, 5). The system is made up of three main parts namely the heart, blood vessels, and blood (Bjorklund, 5; Vijayalakshmi, Rao, and Reema, 839). The heart pumps blood to the lungs and throughout the body through a complex network of blood vessels. On the other hand, blood carries oxygen, nutrient, and wastes to different parts of the body.
Heart rate is the number of times one’s heart beats per minute. In the experiment, my fitness level was found to be average having scored 43 points in physical fitness test. One’s level of physical fitness influences one’s heart rate. People who are physically fit usually have lower heart rates at rest and during exercise than their counterparts who are less physically fit. Even though moderate physical activity has insignificant influence on one’s heart rate, intense physical activity can change one’s heart rate greatly. The correlation of the fitness level of individuals and daily exercise is positive. In other words, people who exercise everyday tend to be more physically fit than their counterparts who don’t.

In the experiment, the students measured heart rates of the subjects under various situations and used the data to determine the fitness points of the subjects. The two main variables measured in the experiment are the fitness level and heart rate. The following hypothesis was formulated before the start of the experiment:
If the level of physical fitness increases, then the heart rate at rest, during exercise, and at various positions decreases and vice versa.

Methods

Next, the heart rate of the subject was monitored at standing position. To begin with, the tester clicked “collect” in order to begin monitoring heart rate. The subject stood upright for 2 minutes. The resulting heart rate was recorded in table 6. The resulting heart was used to assign fitness points based on table 1. The value was recorded I table 6. Next, the subject’s reclining heart rate was monitored. In this case, the subject reclined on a clean surface for 2 minutes. The resulting heart rate was recorded in table 1. This rate was assigned fitness points based on table 2 and the value recorded in table 6.
The students then determined heart rate change from reclining to standing. In this case, the subject stood up from the reclining position next to the lab table. The peak heart rate was immediately recorded in table 6. The reclining rate value measured before was then subtracted from the value of the peak heart rate after standing to find the heart rate increase after standing. The row corresponding to the reclining heart rate was then located in table 3. The calculated heart rate increase after standing was used to locate the fitness column in table 3. The fitness points were then recorded in table 6. The subject then rested for 2 minutes. “Stop “button was clicked to end data collection. Later, “collect” was clicked to begin data collection.
Next, step test was performed. The subject’s heart rate (pre-exercise) was recorded before performing the step test. The step test was performed as follows: first, the subject placed the right foot on the top step of the stool. The subject then placed the left foot completely on the top step of the stool next to the right foot. The subject then placed the right foot back on the floor. Finally, the subject placed the left foot completely on the floor next to the right foot. The heart rate was then recorded in table 6.
The step test was quickly followed by the recovery rate test. In this case, the tester began timing with a stopwatch immediately after the step test while the subject was still standing. The heart rate readings were monitored until they returned to the pre-existing heart rate value recorded in the previous step. The stopwatch was stopped and the recovery time recorded in table 6. The tester clicked “stop” to end data collection. The subject’s recovery time was then located in table 4 to determine the corresponding fitness point value. The fitness value was then recorded in table 6. In order to determine the subject’s step test for endurance, the subject’s pre-exercise heart rate was subtracted from his or her heart rate after 5 steps of exercise. This heart rate increase was recorded in the endurance row of table 6. The proper fitness point for this value was then determined using table 5. All the total fitness points recorded in table 6 were then summed up and the resulting total fitness points together with the provided scale used to determine the subject’s fitness level. Data of other students were also collected and compared in order to determine how fitness level affects heart rate. The data from four other students are shown in tables 7 to 11.

Results

The heart rates and their corresponding fitness points of the researcher under various conditions are as shown in table 6. Tables 7, 8, 9, and 10 show the similar data from other subjects: Tania, Manuel, Edgar, and Cynthia respectively.
The results show that subjects who recorded high heart rates under various conditions also scored low fitness points under the various conditions investigated. To illustrate, Tania and Manuel recorded lower heart rates under all the conditions than their other three counterparts. Consequently, they scored higher in fitness than their counterparts. Figure 1 shown below shows the relationship between the average heart rate and fitness score based on the data of the five subjects who took part in the experiment.
Figure 1: The relationship between average heart rate and total fitness scores

Discussion

The experiment found that exercise increases heart rates. An explanation for this observation is that during intense physical activity, the need for energy rises, hence, prompting the heart to pump blood faster in order to deliver energy in time.
The experiment shows that the subjects who recorded high heart rates ended up scoring low fitness points. Based on figure 1, Cynthia who has the highest average heart rate also recorded one of the lowest fitness points in all the subjects. This experiment shows that the researcher is the least physically fit followed by Cynthia. In conclusion, the experiment shows that the higher the level of physical fitness is, the lower the heart rate becomes under all conditions and vice versa. Therefore, the findings from this experiment support the hypothesis.

Works cited

Bjorklund, Ruth. Circulatory System. New York: Marshall Cavendish Benchmark, 2009. Print.
Vijayalakshmi, I B, P S. Rao, and Reema Chugh. A Comprehensive Approach to Congenital Heart Diseases. New Delhi: Jaypee Brothers Medical Publishers (P) LTD, 2013. Print.

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