Purpose The overall purpose/hypothesis of the article, was it to find out how physical activity is linked to the preservation of neurocognition, but more specifically to address the fundamental question-- “does exercise improve cognition?” (Masley et al., 2009). The secondary reason for this study is to use a technological method to determine the field of cognitive domains, in relation to memory, mental speed, reaction time, attention, and cognitive flexibility.
Subjects
The subjects from this study were volunteers from the Carillon Wellness Center, St Anthony’s Hospital, St. Petersburg, Florida. There were 91 male and female subjects who were between the ages of 18-70. No subjects have a history of elevated heart levels or any major
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Findings and Statistics The comparison between demographic and physiological data was found on Table 1. The statistics showed that there was no significant difference between both the control group and the combined intervention group in relation it age, BMI, years of education, and VO2max fitness. The only shown difference was gender, a higher percentage of women were added onto the study. The study showed that there was no statistical significant change in VO2max levels. “VO2max levels had increased by 6.5% in the control group, 12% in the moderate intervention group, 17.3 % in the combined intervention group, and 21.3 % in the high exercise intervention group” (Masley et al., 2009). The independent t-test showed the comparison between the control group and the high exercise group was rather significant, with a p value of 0.53. Also, the Spearman rank correlation coefficient compared the change from the control, to the moderate, to the high exercise groups, with a coefficient of 0.23 and a VO2 max p value of 0.06. Neurocognitive data that was analyzed by MANOVA, was collected in Table 2. For this study, there was a high significant difference is the observes psychomotor speed, attention and cognitive flexibility, with a p value of 0.03. When t-test compared the change in the combined intervention group with the controlled group, only cognitive flexibility
Brooks GA, Fahey TD, Baldwin KM (2005). Exercise Physiology: Human Bioenergetics and Its Application. 4th Edition
A study conducted by Harvard Medical School regarding on how could exercise help your brain and what kind of exercise will help your brain to have a better result. In this article, we learn that exercises can help your brain and can also help your memory. The researchers examined different people to try to understand what exercises could help your brain using 30 minutes section. In this study, the researchers randomly evaluate people doing exercises like cardio and compared their memory and their productivity with those that didn’t any type of exercises.
Research has proven that physical activity improves cognitive function and can also improve brain function throughout a lifespan. Moreover, staying physically active has so many benefits as well. For example, doing exercise and fitness activities help build cells and natural pathways to help reduce changes in memory loss or dementia. Also, it has so many health benefits including long-term improvements to the cognitive function as the young adult reaching mid
Moreover, a recent study has found that there is an association between waist circumference and body mass index with cardiorespiratory fitness in healthy men and women.[4] In these models of age of 18 to 65 years old, hours of training per week, and weekly caloric expenditure in sport activity, significantly associated with VO2max. But however, this research is done with senior citizens of age with mean age of mean 50.1 ± 8.7 years old for males and 49.7 ± 8.9 years old for female, research on a younger generation has yet to be
Two mechanisms that increase oxygen consumption during physical activity, is the increased total quantity of blood pumped by the heart and the ability to use the already existing large quantities of oxygen carried by the blood6. An increased total quantity of blood pumped by the heart, also known as cardiac output, at maximum has a direct correlation with VO2max6. A near proportionate increase in maximum cardiac output increases in VO2max with in endurance trained and un-trained individuals has been distingushed6. This relationship suggests with physical activity VO2max is increased through an increase of cardiac output.
There is ample evidence to demonstrate that through the normal ageing process alterations to the brain in structure and function are directly related to cognitive changes (Glisky, 2007). With an increasing ageing population strategies for prevention of disease and age related cognitive decline are necessary to improve quality of life and reduce the associated healthcare costs (Australian Government Productivity Commission [AGPC], 2013). Physical exercise is known to be crucial in maintaining physiological health; it can also be used as a means of neuroprotection and assist in modifiable risk factors for improved brain health and subsequent cognitive function. This review will critically analyse current research into the effects of exercise
The purpose of the study was to determine the effects made to estimated VO2max and resting blood pressure (BP) when subjects were encouraged to walk at least 10,000 steps a day for a six month period.
An increasing body of evidence verifies the influence of exercise on energy and function of the central nervous system (CNS) and how it can even help against neurological disorders. According to these studies and reports, exercise has the astonishing ability to boost mental health, and modern efforts are being dedicated to use this capability to reduce cognitive degeneration in aging and psychiatric illnesses. In this paper, recent studies are examined in humans and animals demonstrating the ability of exercise to uphold cognitive health across a lifespan. Accompanied with the goal to develop a complete explanation of how the effects of exercise in the brain correlates to the results provided from human studies. Improvements in neuroimaging have been vital in recording the relationship between the intellectual benefit and action of particular neural networks in the hippocampus and cerebral cortex involving individuals who practice exercise. Current innovations in the imaging of
Maximal oxygen uptake or Vo2max is the highest rate at which the oxygen can be taken up and utilized by the body during severe exercise (Bassett & Howley, 2000). Vo2max is wide-ly used both in sports and clinical practice and its measurement allows us to assess cardi-orespiratory fitness, one of the most powerful markers of health (Mayorga-Vega, Aguilar-Soto & Viciana 2015; Bruce, Kusumi & Hosmer 1973). Vo2max also provides essential di-agnostic and prognostic information for clinical populations, such as patients with heart failure (Sartor, Vernillo, de Morree, et al., 2013).
The GO-NO-GO test had similar results as the Stroop test in that there was a significant influence observed as a result of the exercise program. The test Mavaco test results showed there was a 70% deviations the behaviors exhibited by the participants. The ANCOVA results showed that the major effect was in the GO-NO true number(P=0.000, η²=0.45) and the GO-NO error number(P=0.000, η²=0. 45). In addition, the True RT (P=0.000, η²=0.39), Error RT (P=0.002, η²=0.29), Go-True number (P=0.003, η²=0.27) and Go-Error number (P=0.003, η²=0.26) were effective but not as the first two
As the population ages heart failure is expected to increase exceptionally. About twenty-two percent of men and forty-four percent of women will develop heart failure within six years of having a heart attack. “Thirty years ago patients would have died from their heart attacks!” (Couzens)
An individual’s maximum aerobic capacity (VO2 max), decreases about 1 percent per year after 25 (Miller, n.d.).
Having a “Brain Healthy Lifestyle” (Bend, 2014) is made up of several different categories that include “physical health, brain fitness, and vitality” (Bend, 2014) as well as “balanced nutrition, stress management, and mental stimulation” (Sharpbrains, 2014). Our physical health plays a major part in brain function. Exercising our bodies, eating well, and getting the proper amount of sleep has a huge impact on our physical health. “Our brain requires 25% of the blood that is pumped by your heart. The healthier your heart is, the healthier your brain will be” (Bend, 2014). Cognitive fitness is demonstrated by uses of vocabulary, thinking, perception, and attention. It is crucial to make it a normal everyday practice to challenge our brains through new activities. Taking part in a cooking class or learning to
Mammals consume oxygen and produce carbon dioxide as part of their metabolism process in order to maintain body functions. This occurs at all times, both rest and during intense work, within mammals. During times of greater work, skeletal muscles work harder than they do at rest. This in turn increases their metabolic rate and results in a greater demand for oxygen. It has been proposed that fitness training has a positive effect on both the cardiovascular and respiratory systems, which effect the maximum oxygen consumption rate during intense exercise periods. I hypothesize that individuals who aerobically exercise a minimum of at least 7 hours per week will have increased fitness, which will maximize their overall metabolic rates and give them higher VO2 max and VCO2 max values than individuals who do not have increased fitness. Ten males having different fitness levels were put on stationary bikes at increasing levels until exhaustion and VO2-max and VCO2-max was then measured from each individual. It was found that there was a slight upward trend between fitness-VO2max and fitness-VCO2max, although this trend was not statistically significant when represented by the T-test values through statistical analysis. Further experiments should be done in the future to verify a statistically significant correlation.
The articles by Erikson et al., Gatz, Korol et al., and Draganski et al. explore the concept of increased physical activity and/or mental activity having effects on the cognitive function and development or deterioration of the brain as we age. Although I agree that physical exercise is critical in increasing cognitive function because of the health benefits it provides, as well as the increased blood flow and circulation throughout the body, I ultimately believe that a healthy brain is not achieved solely by physical exercise or mental exercise, but both. I think there is a link between physical and mental exercise, and that the combination of these two activities creates higher cognitive functioning of the mind as well as the body. The mind and body come together and meet to make an overall healthy individual.