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All Journal International Journal of Teaching and Learning (INJOTEL)
Suriah Hanafi
Pendidikan Jasmani Kesehatan dan Rekreasi FIKK UNM, Indonesia
Education Mathematics Other

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EFFECTIVENESS OF HIGH INTENSITY INTERVAL TRAINING (HIIT) IN IMPROVING CARDIOVASCULAR FITNESS IN YOUNG ADULTS Suriah Hanafi; Ikadarny
International Journal of Teaching and Learning Vol. 2 No. 10 (2025): International Journal of Teaching and Learning (INJOTEL)
Publisher : Adisam Publisher

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High Intensity Interval Training (HIIT) has gained widespread attention as a method for improving cardiovascular fitness. This study aims to review existing literature regarding the effectiveness of HIIT in improving cardiovascular fitness in young adults. This literature research involved the collection and analysis of articles published in various scientific journals from 2010 to 2023. The keywords used in the search were "High-Intensity Interval Training", "cardiovascular fitness", and "young adults". Inclusion criteria included studies measuring the impact of HIIT on VO2 max and other cardiovascular parameters in healthy young adult subjects. Literature analysis shows that HIIT can significantly increase VO2 max in young adults, an important indicator of cardiovascular fitness. This increase is supported by physiological changes that occur in the body, including increased mitochondrial capacity and oxygen use efficiency. Studies also show improvements in cardiovascular parameters such as blood pressure and lipid profile. HIIT is an effective exercise method for improving cardiovascular fitness in young adults. The significant advantage of HIIT lies in its short workout duration yet providing optimal results, making it an attractive option for individuals with limited time. However, more research is needed to examine the long-term effects and more detailed physiological adaptations to HIIT in a broader population.
ANALYSIS OF THE EFFECT OF PLYOMETRIC TRAINING ON INCREASING JUMPING ABILITY IN VOLLEYBALL Ikadarny; Suriah Hanafi
International Journal of Teaching and Learning Vol. 2 No. 10 (2025): International Journal of Teaching and Learning (INJOTEL)
Publisher : Adisam Publisher

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Increasing jumping ability is one of the key factors in achieving achievements in volleyball. Plyometric training, known to be effective in improving jumping ability and muscle strength, has been the focus of this study to evaluate its effects on volleyball athletes. Through comprehensive literature analysis, this research aims to collect and synthesize data from various existing studies regarding the application of plyometric training in volleyball training, to understand the concrete benefits of this training method on improving athletes' jumping abilities. A literature search was carried out on various databases and scientific journals that publish research related to sport, fitness and exercise physiology, with certain inclusion criteria to ensure the relevance and quality of the data. The results of the analysis show that plyometric training significantly contributes to improving the jumping performance of volleyball athletes. This is reflected in increased vertical jump performance, reaction time, and muscle contraction speed which are vital in volleyball games. The implementation of plyometric training that is structured and adaptive to the needs of individual athletes shows more optimal results, indicating that personalization of training plays an important role. Additionally, the integration of plyometric exercises with the overall training program, including aspects of strength, speed, and endurance, was identified as an effective strategy for achieving maximum results. Based on these findings, it is concluded that plyometric training is an important component in volleyball training to improve athletes' jumping ability. This research recommends the use of plyometric training as part of a volleyball athlete's preparation, while paying attention to individual needs and preventing the risk of injury to maximize the benefits of training.
Co-Authors Ikadarny