Sample Health Care Paper on How Caffeine Affects Strength Training – Assignment Help


How Caffeine Affects Strength Training

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Caffeine is a well-known performance enabler and is used to improve an athlete’s strength and performance during exercise. In most cases, caffeine is ingested before a workout to help reduce fatigue, improve endurance during exercise, and enhance performance in different sporting activities (Duncan & Oxford, 2012). Carr, Gore, and Dawson (2011) pointed out that when caffeine is ingested in recommended dosage, it increases the time taken to reach exhaustion levels, increases endurance levels in physical activities. Caffeine consumption also leads to a substantial improvement in exercise performance. According to Campbell et al (2013), consumption of caffeine in amounts as little as 2 mg·kgBM-1 can lead to considerable improvements in resistance and aerobic exercises. In addition, taking energy drinks with caffeine result in a significant increase in the total bench press repetitions, and hence improvements in performance. This proposal is based on caffeine intake among football players. The purpose of this research proposal is to assess the effects of caffeine, concerning improving the exercise performance of football players during college football players’ max bench press.

The topic is significant in health care because it could establish the effects of caffeine in exercising, what levels are recommended, and when they should be used. Besides, the findings point to the fact that caffeine intake would be of interest to healthcare practitioners by providing useful suggestions on the most suitable levels of dosage.  Various health bodies such as the WHO have categorized caffeine as an addictive substance. Caffeine intake manifests in such side effects increased body temperatures and heart rate. Therefore, these research findings are useful in defining the level at which caffeine is an effective substance as improving endurance and body performance. Given that football is one of the most prevalent sports that rely on speed and superior strength, the study findings will play a significant role in promoting participants’ performance and strength after ingestion of caffeine at the recommended levels.

Statement of problem: There is a consensus that caffeine ingestion significantly influences strength training among sports person. Nonetheless, there are other existing studies which have indicated that the ingestion of energy drinks with caffeine has no impacts on bench max press. Some studies (for example, Astorino et al., 2008; Beck et al., 2006; Woolf, Bidwell, & Carlson, 2009) reveal that there are no significant effects on performance, strength, repetitions at bench press, and shoulder press among caffeine-supplemented participants.

Hypothesis:  The ingestion of caffeine during college football players max bench press has a significant impact on strength training and performance.

Sample and Sampling Strategy

            A sample of 15 football players at the university will be selected. A convenience sampling technique will be used to select the sample needed for this study.  The technique is chosen over other methods of sampling because of the participants’ proximity relative to the researcher, thus enhancing their accessibility (Jackson, 2015). This type of non-probability sampling is appropriate where target population members meet specific practical criteria, such as availability at a particular time, geographical proximity, easy accessibility, and the willingness to participate in this study.

Inclusion and Exclusion Criteria: Participants must be male football players, be available at the University campus, be aged between the ages of 18-30, participate voluntarily in the experiment, actively involved in max bench press before training for 3-5 days a week, and be able to bench press 70% of personal body weight. The exclusion criteria include footfall players with a history of major musculoskeletal disorders that can have effect on the outcomes.

Research Design

            Data will be collected using Caffeine Intake Questionnaires.  Prior to the testing, the participants will be directed to avoid any form of intense exercise and training. The participants will be familiarized and instructed on the proper mechanics and techniques for max bench press. Additionally, the participants will perform a series of lifts to establish if they have the ability to bench press, 70 percent of own body weight. In addition, the subjects will be asked to wear comfortable sportswear that will not restrict body movements. After the familiarization session, the subjects will be randomly assigned to either supplement treatment (caffeine ingestion) or a placebo.

            The amount of caffeine in the supplement will be 6 mg/kg. On the other hand, the placebo sample will contain 16.9 ounces of flavored Propel Fitness Water. The drinks will be masked to prevent any form of differentiation.

            The study will be approved by University Institutional Review Board before the researcher starts to collect any form of data. After approval has been granted, the research will then inform the participants of the protocol verbally, and ask them to read as well as sign the consent form.

The participant will start by engaging in testing to establish repetition maximum (1RM) as well as repetitions to failure based on the standard barbell bench press. After that, the repetition maximum will be estimated based on data collected from the familiarization trial. The participants will then perform warm-ups by performing twelve to fifteen repetitions at fifty percent of the expected maximum. One repetition lifts will then be performed by each participant stating at 60 percent of the expected IRM. In case the participant is deemed successful lifting by weight in 5 times, and then resistance will have been increased by 15 percent. The weight will afterwards be increased from 30 percent to 90 percent of estimated 1RM; each of the participants is expected to lift. In case a participant is successful, the conclusion will be that the participant has built strength and necessary endurance.  After wards, the weight will be increased to 100 percent of estimated 1RM. In addition, the weight can be increased on each of the participants until a total failure in terms of inability to complete a lift is realized. The participant will have a break before rested for five minutes before test for muscular endurance is initiated.

Data Analysis

 The findings acquired for the dependent variables of the study will be statistically analyzed using one-way ANOVA for repeated measures. Additionally, significance level of p< 0.05 will be used to accept the outcomes as statistically significant. The SPSS software will be used as the analytical tool when carrying out the statistical analysis.

Caffeine has the ability to induce increased strength and performance. Additionally, some people prefer it because of its ability to improve endurance. Caffeine is usually consumed athletes and other sports persons with the goal of improving their performance during endurance and alternating exercise. Data will be collected from fifteen football players, and experiments conducted. Two groups, placebo and supplementation groups will be used. Afterwards the statistical data will be analyzed thorough the use of SPSS to generate data for interpretation.

Astorino, T. A., Rohmann, R. L., Firth, K., & Kelly, S.  (2008). Effect of caffeine ingestion on one-repetition maximum muscular strength. European Journal of Applied Physiology, 102:127–132. doi: 10.1007/s00421-007-0557-x.

Beck, T. W., Housh, T. J., Schmidt, R. J., Johnson, G. O., Housh, D. J., Coburn, J. W., & Malek, M. H. (2006).The acute effects of a caffeine-containing supplement on strength, muscular endurance, and anaerobic capabilities. J Strength Cond Res., 20, 506–510. doi: 10.1519/18285.1. 

Campbell, B., Wilborn, C., Bounty, P., Nelson, M T., Greenwood, M., Lopez, H. L. … Kreider, R. B. (2013). International Society of Sports Nutrition position stand: energy drinks. Journal of the International Society of Sports Nutrition, 10:1 doi: 10.1186/1550-2783-10-1.

Carr, A. J., Gore, C. J., & Dawson, B. (2011). Induced alkalosis and caffeine supplementation: effects on 2,000-m rowing performance. Int J Sport Nutr Exerc Metabolism, 1(5), 357-64.

Duncan, M. J., &Oxford, S W. (2011). The effect of caffeine ingestion on mood state and bench press performance to failure. J Strength Cond Res,  25(1), 178-85. doi: 10.1519/JSC.0b013e318201bddb.

Jackson, S. L. (2016). Research methods and statistics: A critical thinking approach. Australia, AU: Cengage Learning.

Woolf, K., Bidwell, W. K., & Carlson, A. G. (2009). Effect of caffeine as an ergogenic aid during anaerobic exercise performance in caffeine naive collegiate football players. J Strength Cond Res, 23, 1363–1369.Bottom of Form

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