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Wyszukujesz frazę "Asadi, Abbas" wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Influence of rest interval between plyometric training sessions on functional performance tests
Autorzy:
Asadi, Abbas
Powiązania:
https://bibliotekanauki.pl/articles/1031770.pdf
Data publikacji:
2015
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
explosive power
sand
shortening cycle
Opis:
The purpose of this study was to examine the effects of short-term plyometric depth jump training on sand interposed with 48 hours or 72 hours of rest between training sessions on power type muscular adaptations in recreationally physical active men. Fifteen collegiate physical active men, who were familiar with plyometric exercise, participated in this study and were randomly divided into 2 groups: plyometric training with 48 h (PT48, N=7) and 72 h (PT72, N=8) of rest between training sessions. Pre and post training on sand, participants were measured in vertical jump (VJ), standing long jump (SLJ), agility t Test (TT), 20 and 40 m sprints, and one repetition maximum leg press (1RMLP). The plyometric training program on sand was applied during 6 weeks, 2 sessions per week, with 5 sets of 20 repetitions depth jump exercise from 45 cm box height. After completing 6 weeks training period, the PT48 and PT72 groups showed significant improvement in all performance tests (p<0.05), with statistically significant differences between treatments in TT and 40 m sprint time. With regard to significant differences in TT and 40 m sprint for PT72 compared with PT48 and greater improvements for PT72 in all tests, it can be recommend that coaches, strength and conditioning professionals apply 72 h rest between plyometric training sessions when sand surface was used.
Źródło:
Physical Activity Review; 2015, 3; 1-10
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring Plyometric Exercise Intensity Using Rating of Perceived Exertion Scale
Autorzy:
Asadi, Abbas
Powiązania:
https://bibliotekanauki.pl/articles/1031792.pdf
Data publikacji:
2014
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
maximal effort
perceived exertion
stretch-shortening cycle
Opis:
The aim of this investigation was to determine the effectiveness of rating of perceived exertion (RPE) scale to measure plyometric exercise intensity during low (L), moderate (M) and high (H) intensity. Fourteen physically active students (age; 21±1.1 y, height; 178.7±8.2 cm and body mass; 74.6±9.1 kg) volunteered to participate in this study and performed each intensity once separated with 24 h recovery. The H consisted of 1 set of 5 repetitions at 90% of the subject’s vertical jump height (VJH). The M consisted of 10 repetitions at 70% VJT, and the L consisted of 1 set of 15 repetitions at 50% VJH. RPE was measured following the completion each intensity using 0-10 Borg RPE scale. Data was analyzed using repeated measures ANOVA and the level of significant was set at p < 0.05. The results indicated increases in RPE following enhancing exercise intensity (p < 0.05). Performing fewer repetitions at a higher intensity was perceived to be more difficult than performing more repetitions at a lower intensity. The results of the current investigation revealed that the RPE method is effective in monitoring different plyometric exercise and training intensities and it can be recommend that strength and conditioning professionals and athletes use the RPE method based on the effectiveness tool for monitoring their plyometric exercise and training sessions at different intensities.
Źródło:
Physical Activity Review; 2014, 2; 10-15
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seismic Behavior of Earth Dams With Different Reservoir Water Levels Under Near-Field and Far-Field Earthquakes
Autorzy:
Asadi, Masoud
Soltani, Fazlollah
Sinvandi-Pour, Abbas
Noroozinejad Farsangi, Ehsan
Powiązania:
https://bibliotekanauki.pl/articles/1838051.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
earthquakes
seismic behaviour
earth dam
water levels
finite element modelling
trzęsienia ziemi
badania sejsmiczne
zapory ziemne
poziom wody
modelowanie elementów skończonych
Opis:
The height of reservoir water is one of the important factors affecting the seismic behaviour of earth dams. A large number of earth dams have been constructed in different countries that are sometimes located in a high-risk geographical zone. The studies on the seismic behaviour of earth dams have been conducted for several decades. However, this study, considering the importance of the subject, it investigates the seismic behaviour of Sumbar rock-fill embankment dam under near- and far-field earthquakes with variation in the water level behind the dam. The ratio of water height of the dam to dam height is considered as an important indicator to investigate the seismic performance of these structures. The analyses were performed using the ABAQUS finite element platform, under 7 near-field and 7 far-field earthquake records. In this research, the changes in dam stresses, displacements, and failure of the dam have been discussed. The results indicated that the effect of near-field earthquakes on the seismic behaviour of earth dams is more significant than far-field earthquakes.
Źródło:
Civil and Environmental Engineering Reports; 2020, 30, 4; 125-141
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seismic Behavior of Earth Dams With Different Reservoir Water Levels Under Near-Field and Far-Field Earthquakes
Autorzy:
Asadi, Masoud
Soltani, Fazlollah
Sinvandi-Pour, Abbas
Noroozinejad Farsangi, Ehsan
Powiązania:
https://bibliotekanauki.pl/articles/1838069.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
earthquakes
seismic behaviour
earth dam
water levels
finite element modelling
trzęsienia ziemi
badania sejsmiczne
zapory ziemne
poziom wody
modelowanie elementów skończonych
Opis:
The height of reservoir water is one of the important factors affecting the seismic behaviour of earth dams. A large number of earth dams have been constructed in different countries that are sometimes located in a high-risk geographical zone. The studies on the seismic behaviour of earth dams have been conducted for several decades. However, this study, considering the importance of the subject, it investigates the seismic behaviour of Sumbar rock-fill embankment dam under near- and far-field earthquakes with variation in the water level behind the dam. The ratio of water height of the dam to dam height is considered as an important indicator to investigate the seismic performance of these structures. The analyses were performed using the ABAQUS finite element platform, under 7 near-field and 7 far-field earthquake records. In this research, the changes in dam stresses, displacements, and failure of the dam have been discussed. The results indicated that the effect of near-field earthquakes on the seismic behaviour of earth dams is more significant than far-field earthquakes.
Źródło:
Civil and Environmental Engineering Reports; 2020, 30, 4; 125-141
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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