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Balasas, D.; Prantsidis, D.; Christoulas, Kosmas; Vamvakoudis, Efstratios; Papaevangelou, Evangelia; Stefanidis, Panagiotis

doi:10.7752/jpes.2013.01006

Cited by 4 publications

(4 citation statements)

References 21 publications

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“…Similar studies examining CPET in volleyball players have been conducted previously [16][17][18]. It is important to note that subjects from other studies were healthy and regularly trained volleyball players and did not experience a COVID-19 infection.…”

Section: Discussionmentioning

confidence: 55%

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Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study

Milovančev

Avakumovic

Lakičević

et al. 2021

IJERPH

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Athletes’ lifestyles have been dramatically affected by the coronavirus disease 2019 (COVID-19) pandemic. Since COVID-19 primarily affects the respiratory system and to a lesser degree the cardiovascular system, the goal of this study was to examine the effects of COVID-19-caused detraining on cardiorespiratory fitness (CRF) of recently recovered volleyball athletes. Sixteen experienced volleyball athletes (age 24 ± 4.5 years) who were recently diagnosed and recovered from a COVID-19 infection volunteered to participate in this study and were tested for CRF and spirometry. Given that participants had only mild symptoms of infection, the primary focus of this study was on the effects of detraining on CRF. On average, the time to exhaustion was 9.4 ± 1.4 min. VE, VCO2, RER and oxygen pulse increased, heart rate exceeded 90% of predicted values, and peak VO2 values were typical for this level of athlete (44.1 ± 3.4 mL/kg). Pulmonary function reflected in FVC, FEV1/FVC and MVV values were well above 80% of predicted values for each of the participants while electrocardiography revealed no ischemia, arrythmias or conduction and repolarization abnormalities were found in the tested subjects. Conclusions: participants experienced typical consequences of detraining. Due to a lack of CRF data prior to COVID-19 infection, we were unable to estimate the magnitude detraining had on CRF. Complete CRF assessment after COVID-19 infection in athletes can be useful for screening of residual myocardial and/or respiratory system damage for safe return-to-play decisions.

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Section: Discussionmentioning

confidence: 55%

“…It is important to note that subjects from other studies were healthy and regularly trained volleyball players and did not experience a COVID-19 infection. The analyzed results show that subjects within our study had lower VO 2peak and VT2 when compared to healthy and training-undisturbed professional and amateur counterparts [16][17][18].…”

Section: Discussionmentioning

confidence: 99%

Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study

Milovančev

Avakumovic

Lakičević

et al. 2021

IJERPH

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“…Additionally, variable outdoor conditions such as wind and temperature further contribute to the increased physical demands on beach sports athletes [ 49 ]. Findings suggest that training in beach conditions, characterized by challenging environments like sand, significantly impacts an athlete’s aerobic capacity and running economy [ 50 ]. The distinct workload profiles of indoor and beach sports require custom training approaches for athletes.…”

Section: Discussionmentioning

confidence: 99%

Internal and External Load Profile during Beach Invasion Sports Match-Play by Electronic Performance and Tracking Systems: A Systematic Review

Vaccaro-Benet,

Gómez-Carmona,

Marzano-Felisatti

et al. 2024

Sensors

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Beach variants of popular sports like soccer and handball have grown in participation over the last decade. However, the characterization of the workload demands in beach sports remains limited compared to their indoor equivalents. This systematic review aimed to: (1) characterize internal and external loads during beach invasion sports match-play; (2) identify technologies and metrics used for monitoring; (3) compare the demands of indoor sports; and (4) explore differences by competition level, age, sex, and beach sport. Fifteen studies ultimately met the inclusion criteria. The locomotive volumes averaged 929 ± 269 m (average) and 16.5 ± 3.3 km/h (peak) alongside 368 ± 103 accelerations and 8 ± 4 jumps per session. The impacts approached 700 per session. The heart rates reached 166–192 beats per minute (maximal) eliciting 60–95% intensity. The player load was 12.5 ± 2.9 to 125 ± 30 units. Males showed 10–15% higher external but equivalent internal loads versus females. Earlier studies relied solely on a time–motion analysis, while recent works integrate electronic performance and tracking systems, enabling a more holistic quantification. However, substantial metric intensity zone variability persists. Beach sports entail intermittent high-intensity activity with a lower-intensity recovery. Unstable surface likely explains the heightened internal strain despite moderately lower running volumes than indoor sports. The continued integration of technology together with the standardization of workload intensity zones is needed to inform a beach-specific training prescription.

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“…During the training process, the prime objective during the initial training stage is to acquire general theoretical and special expertise to form the basic structure of sporting movements (Asterios Patsiaouras, 2011;Davydov V.V., 2008;Dimitrios Balasas, 2013;Maria Giannousi, 2016). The usefulness of emphasizing the formation of physical fitness and basic techniques as a basis for further sports development has been scientifically proven (Barzouka K., 2015;Filipe Manuel Clemente, 2015;Grapa Florin, 2013;Iedynak G., 2017;Raiola Gaetano, 2012;Sami Sermaxhaj, 2017;.…”

Section: Introductionmentioning

confidence: 99%

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2018

JPES

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There are a variety of methods and different techniques for effectively playing football. In a game, achievement of team success depends on how footballers master different techniques. Using football techniques skilfully and effectively when tackling tactical tasks during extreme conditions of playing is a crucial factor for achieving victory. In modern football, techniques are characterized by a movement system that is both practicable from the perspective of biomechanics and enables the most efficient effort to improve the accuracy and speed of playing actions. An analysis of the techniques allows an expansion of the general requirements for various characteristics and a consideration of the standard, which is the master sample that should be observed when constructing the movement system. Therefore, it is very important at the initial level that young footballers correctly acquire expertise and master physical skills to perform techniques for further professional development in football. The research objective in this study was theoretical and methodological substantiation of the acquisition of expertise and the mastering of physical skills by young footballers for performing techniques by exercising reference points of technical elements and comparing them with other exercises. The study features 41 (forty one) 9 to 10-year-old sophomore footballers from the initial training groups of Kitsman's Youth Sports School. Results: the footballers in the two groups generally had the same mastery of the techniques at the beginning of the study. However, at the end of the study, the experimental group of footballers were more competent than the control group of footballers, especially for performing accurate kicking with the inner instep and head and foot juggling.

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Cited by 4 publications

References 21 publications

Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study

Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study

Internal and External Load Profile during Beach Invasion Sports Match-Play by Electronic Performance and Tracking Systems: A Systematic Review

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