Can power and anaerobic capacity reduce according to disordered eating behaviors in cyclists?

Fortes, Leonardo de Sousa; Mendonça, Lilyan Carla Vaz; Paes, Pedro Pinheiro; Vianna, Jéferson Macedo; Diefenthaeler, Fernando

doi:10.1590/s1980-6574201700010009

Cited by 5 publications

(6 citation statements)

References 20 publications

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“…According to Skorski et al [ 83 ], in addition to and EM, anaerobic power and capacity are important factors that determine performance in road cycling. This is because in many road cycling races, first place can be decided in the final sprint, and cyclists with high anaerobic capacity and power can achieve better results [ 31 , 84 ]. Therefore, it may be important to determine the appropriate reduction time to optimize the power and anaerobic capacity of cyclists.…”

Section: Discussionmentioning

confidence: 99%

Effects of tapering on performance in endurance athletes: A systematic review and meta-analysis

Wang

Gao

et al. 2023

PLoS ONE

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Objective To assess the responses to taper in endurance athletes using meta-analysis. Methods Systematic searches were conducted in China National Knowledge Infrastructure, PubMed, Web of Science, SPORTDiscus, and EMBASE databases. Standardized mean difference (SMD) and 95% confidence interval (CI) of outcome measures were calculated as effect sizes. Results 14 studies were included in this meta-analysis. Significant improvements were found between pre- and post-tapering in time–trial (TT) performance (SMD = −0.45; P < 0.05) and time to exhaustion (TTE) performance (SMD = 1.28; P < 0.05). However, There were no improvements in maximal oxygen consumption (V˙O2max) and economy of movement (EM) (P > 0.05) between pre- and post-tapering. Further subgroup analysis showed that tapering combined with pre-taper overload training had a more significant effect on TT performance than conventional tapering (P < 0.05). A tapering strategy that reduced training volume by 41–60%, maintained training intensity and frequency, lasted ≤7 days, 8–14 days, or 15–21 days, used a progressive or step taper could significantly improve TT performance (P < 0.05). Conclusions The tapering applied in conjunction with pre-taper overload training seems to be more conducive to maximize performance gains. Current evidence suggests that a ≤21-day taper, in which training volume is progressively reduced by 41–60% without changing training intensity or frequency, is an effective tapering strategy.

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Section: Discussionmentioning

confidence: 99%

Effects of tapering on performance in endurance athletes: A systematic review and meta-analysis

Wang

Gao

et al. 2023

PLoS ONE

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“…Of the identified studies, only one did not employ a self-reported cross-sectional measure of DE patterns. Qualitative research [ 41 ] and studies exploring the impact of DE on physiological outputs [ 57 ] are recommended to greater understand the impact of these behaviours on physical and mental health, well-being, and performance.…”

Section: Findings and Discussionmentioning

confidence: 99%

Eating Disorders and Disordered Eating in Competitive Cycling: A Scoping Review

Roberts

Hurst

Hardwicke

2022

Behavioral Sciences

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This article reports on the findings from a scoping review on eating disorders and disordered eating in competitive cycling. The review was informed by a scoping review methodological framework as well as the Preferred Reporting Items for Systematic Reviews and Meta-analysis extension for scoping reviews (PRISMA-ScR) reporting guidelines. PubMed, SPORTDiscus and Web of Science were used to identify relevant literature for review. Fourteen studies met the eligibility criteria and were included in the full review. A narrative synthesis was used to summarise the main findings and themes across the included literature. Findings from the review are presented under the following themes: cycling as an ‘at-risk’ discipline; power to weight ratio; energy requirements and risk of low energy availability; the social environment of cycling; nutrition support provision; relationship between eating disorders/disordered eating and exercise addiction; and recommendations made in identified literature. Overall, the literature suggests competitive cycling is a sport with a high prevalence of disordered eating and/or eating disorders and a sport with unique risk factors that contribute to this. Crucially, more research is needed in this area. The article concludes with the gaps in the literature highlighted, implications for future research, and applications to policy and practice suggested.

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“…In addition, considering that athletes correlate performance improvement with body mass reduction 26 , it is possible that some athletes adopt DEB in order to enhance sports performance, which explains the high prevalence of DEB found in the present study (25%). It has been emphasized that muscle power can be reduced in athletes who adopt DEB 27 . Fortes et al 27 investigated male road cyclists and revealed that the adoption of DEB led to reduction in anaerobic performance.…”

Section: Discussionmentioning

confidence: 99%

“…It has been emphasized that muscle power can be reduced in athletes who adopt DEB 27 . Fortes et al 27 investigated male road cyclists and revealed that the adoption of DEB led to reduction in anaerobic performance. According to these authors, the decrease in anaerobic power can be explained as a function of the reduction in the speed of the recruitment of motoneurons inherent to high-power muscle fibers, as well as reduction in the speed of action of the creatine kinase enzyme.…”

Section: Discussionmentioning

confidence: 99%

Comportamentos de risco para os transtornos alimentares em jovens atletas de voleibol: o estilo de liderança do treinador é um fator interveniente?

Fortes

Vasconcelos

Silva

et al. 2017

Rev. Bras. Cineantropom. Desempenho Hum.

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-The aim of this study was to analyze the influence of coach's leadership style on eating disorders (ED) in female volleyball athletes. This is a prospective study with 73 participants of sub-17 state of Pernambuco Championship. The Eating Attitudes Test was applied to evaluate ED. The perception of the coach's leadership style was evaluated with Leader Sport Scale subscales. Triceps and subscapular skinfolds were measured to estimate body fat percentage. The findings showed no influence of "Training-Instruction" on ED (F (3, 70) =45.02; R²=0.12; p=0.34). The "Social Support" subscale showed statically significant influence on ED (F (4, 69) =59.77; R²=-0.16; p=0.02). However, the results indicated no statically significant relationship of "Reforce" subscale with ED (F (5, 68) =52.40; R²=0.13; p=0.17). The "Democratic" subscale so showed no influence on ED F (6, 67) =49.08; R²=0.10; p=0.21). Finally, the "Autocratic" subscale showed influence on ED (F (7, 66) =67.23; R²=0.18; p=0.01). We concluded that the coach's leadership style (social support and autocratic) influenced the adoption of DEB in young female volleyball athletes.

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Can power and anaerobic capacity reduce according to disordered eating behaviors in cyclists?

Cited by 5 publications

References 20 publications

Effects of tapering on performance in endurance athletes: A systematic review and meta-analysis

Effects of tapering on performance in endurance athletes: A systematic review and meta-analysis

Eating Disorders and Disordered Eating in Competitive Cycling: A Scoping Review

Comportamentos de risco para os transtornos alimentares em jovens atletas de voleibol: o estilo de liderança do treinador é um fator interveniente?

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