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Fitness - Crossref

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Last Updated: 04 August 2022

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Effectiveness of Whole-Body High-Intensity Interval Training on Health-Related Fitness: A Systematic Review and Meta-Analysis

WB-HIIT has been shown to cardiovascular fitness, fat mass, fat-free mass, muscular endurance, and metabolic risk factors. WB-HIIT and no exercise or traditional aerobic trainings were calculated, in terms of standardized mean differences. A meta-regression investigated the effect of total training time on the various outcomes. WB-HIIT has a smaller effect on CRF than other aerobic trainings, as shown by a similar effect on fat-free mass and fat mass, as well as a larger effect on musculoskeletal fitness. WB-HIIT's overall effect and specific effect on CRF and fat mass were both related to total training time. There were no evidences of metabolic risk reduction in the systematic review, which did not include any proof of cardiovascular risk reduction. Despite a marginal effect on CRF, WB-HIIT is equally effective as traditional aerobic exercises to increase body composition and endurance, which is also helpful in the execution of daily tasks.

Source link: https://doi.org/10.3390/ijerph19159559


Tracking 30-Day Physical Activity Behavior with Wearable Fitness Trackers in College-Aged Adults

Introduction: Consumer grade, wrist-worn wearable fitness trackers are commonly used by college-aged adults on a daily basis. Physical fitness results cannot be reliably determined when measuring college-aged adults' physical activity throughout a 30-day period. For days of the week, there were no notable differences in step counts, daily caloric intake, and daily total distance. During the 30 days of observation, males became more active and expended more calories than females. However, the day of the week did not dramatically influence physical fitness and caloric expenditures, respectively.

Source link: https://doi.org/10.53520/rdpb2022.10736


Community Sports Facility Ant Colony Algorithm Collocation under the Environment of National Fitness

The current community sports centers are a major factor in filling the urban gymnasium shortage, but there are some similarities in the existing community sports centers, and the collocation is limited to meet the basic needs. Based on a brief review of the construction of community sports facilities and the testing of ant colony algorithms, a model of community sports facility matching is created and an ant colony algorithm is introduced to optimize the scheme's layout. In the optimal configuration of sports facility collocation, the multiobjective function model is combined with the demand for community sports facilities collocation, and the most appropriate solution for various planning goals is suggested. Since stabilization, the objective function is combined with the ant colony algorithm to continuously update the objective function value and find the most suitable solution for sports facility collocation.

Source link: https://doi.org/10.1155/2022/9789933


Networked Fitness Management System Based on Internet of Things

The development of a fitness management system based on the Internet of things is based on the analysis of the system's functionality and success needs. The fitness data can be processed and displayed in real time with graphics after receiving the fitness data streamed by the fitness device via Bluetooth. For data collection, taking barbell as an example by analyzing barbell's movement characteristics, Bluetooth MPU6050 module is used for data acquisition; the measurements include angle, number, etc. The proposed deep neural network learns well on small datasets, producing an action recognition rate of 97. 61%, according to the SVM, which also achieves a recognition accuracy of greater than 96%. The number statistics algorithm's 100% calculation accuracy in the 50 action cycle estimation experiments, as well as the action cycle simulation results, demonstrating the accuracy of the periodic calculation method.

Source link: https://doi.org/10.1155/2022/8110399


Higher physical fitness levels are associated with less language decline in healthy ageing

These are among the most common cognitive deficits among healthy older adults, and they occur when a speaker knows a word but is unable to produce it. We found that healthy older adults have more tip-of-the-tongue states than young adults. Over and above age-related differences in word finding abilities are seen over and above effects of fitness. This is the first example of a relationship between aerobic fitness and language development in healthy older adults.

Source link: https://doi.org/10.1101/197095


Novel genes required for the fitness of Streptococcus pyogenes in human saliva

PHRYNGITIS IS THE GENIUS pharyngitis virus that causes 600 million cases each year. Saliva is common in the human oropharynx and is the first substance that GAS encounters in the upper respiratory tract. We established a highly developed transposon insertion mutant library in serotype M1 strain MGAS2221, which is a strain genetically representative of a pandemic clone that appeared in the 1980s and spread around the world. In this physiologically relevant fluid, the transposon mutant library was exposed to human saliva to screen for GAS genes necessary for wild-type fitness in this clinically relevant fluid. We discovered 92 genes required for GAS expression in saliva using transposon-directed insertion site sequencing. This is the first use of TraDIS to investigate bacterial life in human saliva. IMPORTANCE Streptococcus pyogenes is responsible for more than 600 million cases of pharyngitis worldwide annually, with 15 million of which occur in the United States.

Source link: https://doi.org/10.1101/196931


Reversion is most likely under high mutation supply, when compensatory mutations don’t fully restore fitness costs

Abstract: Many studies have attempted to investigate the population genetics that underlies how these fluctuations occur, including adaptation, reversion, and compensation. However, concerns regarding how specific characteristicsu2013the evolution of mutators and whether compensatory mutations decrease costs fully or partially can influence the evolutionary dynamics of compensation and reversion. We want to present results from experimental evolution in this article in the hopes of a more precise understanding of how mutation rate and compensatory mutations influence adaptive dynamics. We find that high mutation rates raise the chances of reversion to the wild variety even though compensation is only partial.

Source link: https://doi.org/10.1093/g3journal/jkac190


An experimental test of the mutation-selection balance model for the maintenance of genetic variance in fitness components

Mutation selection balance will always contribute to standing disparity, but it's unclear what percentage of the variance in a typical fitness factor can be explained by mutation-selection balance or if fitness components differ in this regard. Using the rate of fitness decline under mutation progression, the amount of standing variance in fitness can be predicted in theory, and this can be directly related to the observed standing variance. We discuss the basic research and use it to determine the mutation selection balance model for three traits in Drosophila melanogaster to encourage the use of this technique. We find some reasons for non-mutational variation in male mating success and female fecundity relative to larval viability, which is consistent with balancing selection based on sexual fitness components.

Source link: https://doi.org/10.1101/193425

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions