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The aim of this experiment is to find out what the effects of exercise are on the heart rate. And to record these results in various formats.

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INVESTIGATE THE EFFECT OF EXERCISE ON THE HEART-RATE AIM: - the aim of this experiment is to find out what the effects of exercise are on the heart rate. And to record these results in various formats. VARIABLES: - * Type of exercise * Duration of exercise * Intensity of exercise * Stage of respiration * Age of the person exercising * level of fitness and recovery rate * gender of candidate * temperature * amount of recovery time KEY VARIABLE: - The variable that I will be using is the duration of exercise, this is because it is easy to measure against any candidate and get a correct accurate reading from it. If I chose the type of exercise I will get readings that might not be correct because some types of exercises are common to people and probably not have an effect on heart rate e.g. walking 30 seconds . When we are selective with the type of candidate, we cant just look at one variable if we want it to be a fair test because if we just look at age, all the other variables should be kept equal, it is not possible for two people to be of the same or identical physical fitness and therefore some exercise might not have an effect on these people, giving ...read more.


Or until basal heart rate returns. * perform this routine after 1 minute of step-ups, 90 seconds and 120 seconds. * record these results In the data capture sheet. SAFTEY AND FAIR TEST:- To make sure we are not of risk from injury we should be warm before we start, it is essential to do a range of mobility exercises before the activity because depending on the intensity of movement, you can damage connective tissues and muscles. You must also wear the correct clothing for the activity i.e. trainers and freely movable clothes to prevent the chance of getting skin rashes and instability. Another safety check should be the surface that you perform the activity on because an uneven or debris littered surface can cause you to trip or sprain joints. The fair test elements to look at in my experiment is to try to perform the step-ups at the same rate, because different intensity of exercise can change the effect on heart rate as well, also the intensity can change the respiration stage you perform in so results can be skewed. We must also make sure the equipment is the same in each test i.e. using the same height of step and timing equipment and boundaries RESULTS: - *STARTING HEART RATE 66 BPM. ...read more.


The heart rate also has slight irregularities because when I timed it for a whole minute it was different than timing it for ten seconds and multiplying it by six. I think that my heart rate did not go above what it did because as I predicted, it will only do that when I respire anerobically or for a very long time, this is because my body did not need loads of oxygen or more than it can supply. My heart rate went back to normal after one minute after the first exercise as I predicted then it took longer to recover as the amount of exercise increased. CONCLUSION/ EVALUATION: - I have found out that when I exercise my heart rate increases, sometimes my heart went over twice its normal output, I also found out that step-ups don't make me use the maximum heart rate. I think that my readings were quite accurate because of the way I measured them the time was easy to get an accurate reading on a chronograph stop watch and I did not have time to recover the way I took my pulse do had a reading of exercise pulse. However the way it could have been more accurate is to use an electocardiogram. SCIENTIFIC INVESTIGATION AT1 BILAL SHEIKH BILAL SHEIKH PAGE1 ...read more.

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