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Bougrine H, Ammar A, Salem A, Trabelsi K, Żmijewski P, Jahrami H, Chtourou H, Souissi N. Effects of Different Caffeine Dosages on Maximal Physical Performance and Potential Side Effects in Low-Consumer Female Athletes: Morning vs. Evening Administration. Nutrients 2024; 16:2223. [PMID: 39064667 PMCID: PMC11279619 DOI: 10.3390/nu16142223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 07/01/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
While previous studies have explored a range of factors governing the optimal use of caffeine (CAF) in athletes, limited research has explored how time of day (TOD) affects the ergogenic effects of various CAF dosages on physical performance. This study aimed to increase knowledge about how different recommended CAF doses (3 mg/kg vs. 6 mg/kg) ingested at different TODs affected maximal high-intensity physical performance and the perception of potential side effects in female athletes. In this double-blind, randomized, and counterbalanced study, 15 low CAF consumer athletes (aged 18.3 ± 0.5 y) underwent six trials, including three testing conditions assessed across two TODs: one in the morning (08:00 a.m.) and one in the evening (06:00 p.m.). During each condition, the participants ingested either a placebo, 3 mg/kg CAF (CAF (3 mg)), or 6 mg/kg CAF (CAF (6 mg)) capsules 60 min before each test with an in-between washout period of at least 72 h. In each trial, the participants performed a countermovement jumps test (CMJ), a modified agility t test (MATT), a repeated sprint ability (RSA), a rating of perceived exertion (RPE), and finally, a CAF side effects questionnaire. Our findings indicate the absence of an ergogenic effect on CMJ, MAT, and RSA performance in the evening after administering CAF (3 mg) or CAF (6 mg) compared to a placebo. Likewise, when CAF was ingested in the morning, there was an improvement in these performances with both CAF (3 mg) and CAF (6 mg), with greater improvement observed after CAF (6 mg). Additionally, neither the CAF dosage nor the TOD had a significant effect on the RPE. The occurrence of side effects increased significantly after the evening ingestion of CAF, particularly with a moderate dose of CAF (6 mg). Our findings indicate that the effectiveness of CAF depends on the TOD and CAF dosage. When ingested in the morning, a moderate dose of CAF (6 mg), rather than CAF (3 mg), is more effective in improving short-term physical performance without affecting CAF side effects in female athletes. Nevertheless, when ingested in the evening, neither dose was sufficient to enhance short-term physical performance, and both dosages increased the incidence of CAF side effects, particularly at a moderate dose.
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Affiliation(s)
- Houda Bougrine
- High Institute of Sport and Physical Education Gafsa, University of Gafsa, Gafsa 2100, Tunisia;
- Physical Activity Research Unit, Sport and Health (UR18JS01), National Observatory of Sports, Tunis 1003, Tunisia (H.C.); (N.S.)
| | - Achraf Ammar
- Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, 55099 Mainz, Germany
- High Institute of Sport and Physical Education Sfax, University of Sfax, Sfax 3000, Tunisia;
- Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine of Sfax, University of Sfax, Sfax 3029, Tunisia
| | - Atef Salem
- Physical Activity Research Unit, Sport and Health (UR18JS01), National Observatory of Sports, Tunis 1003, Tunisia (H.C.); (N.S.)
- Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, 55099 Mainz, Germany
- High Institute of Sport and Physical Education Sfax, University of Sfax, Sfax 3000, Tunisia;
| | - Khaled Trabelsi
- High Institute of Sport and Physical Education Sfax, University of Sfax, Sfax 3000, Tunisia;
- Research Laboratory, Education, Motricity, Sport and Health (EM2S), LR15JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia
| | - Piotr Żmijewski
- Faculty of Physical Education, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland;
| | - Haitham Jahrami
- Department of Psychiatry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama 323, Bahrain;
- Ministry of Health, Manama 410, Bahrain
| | - Hamdi Chtourou
- Physical Activity Research Unit, Sport and Health (UR18JS01), National Observatory of Sports, Tunis 1003, Tunisia (H.C.); (N.S.)
- High Institute of Sport and Physical Education Sfax, University of Sfax, Sfax 3000, Tunisia;
| | - Nizar Souissi
- Physical Activity Research Unit, Sport and Health (UR18JS01), National Observatory of Sports, Tunis 1003, Tunisia (H.C.); (N.S.)
- High Institute of Sport and Physical Education Ksar-Saïd, Manouba University, Mannouba 2010, Tunisia
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Shu D, Wang J, Zhou T, Chen F, Meng F, Wu X, Zhao Z, Dai S. Prediction of half-marathon performance of male recreational marathon runners using nomogram. BMC Sports Sci Med Rehabil 2024; 16:97. [PMID: 38685085 PMCID: PMC11059738 DOI: 10.1186/s13102-024-00889-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 04/24/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND Long-distance running is a popular competitive sport. We performed the current research as to develop an easily accessible and applicable model to predict half-marathon performance in male recreational half-marathon runners by nomogram. METHODS Male recreational half-marathon runners in Zhejiang Province, China were recruited. A set of literature-based and panel-reviewed questionnaires were used to assess the epidemiological conditions of the recruited runners. Descriptive and binary regression analyses were done for the profiling and identification of predictors related to higher half-marathon performance (completing time ≤ 105 min). Participants were assigned to the training set (n = 141) and the testing set (n = 61) randomly. A nomogram was used to visually predict the half-marathon performance, and the receiver operating characteristic (ROC) was used to evaluate the predictive ability of the nomogram. RESULTS A total of 202 participants (median age: 49 years; higher half-marathon performance: 33.7%) were included. After multivariate analysis, three variables remained as significant predictors: longer monthly running distance [adjusted odds ratio (AOR) = 0.992, 95% confidence interval (CI): 0.988 to 0.996, p < 0.001], faster mean training pace (AOR = 2.151, 95% CI: 1.275 to 3.630, p < 0.001), and better sleep quality [the Pittsburgh Sleep Quality Index (PSQI), AOR = 2.390, 95% CI: 1.164 to 4.907, p = 0.018]. The AUC of the training and testing sets in nomogram were 0.750 and 0.743, respectively. Further ternary and linear regression analyses corroborated the primary findings. CONCLUSIONS This study developed a nomogram with good potential to predict the half-marathon performance of recreational runners. Our results suggest that longer monthly running distance, faster mean training pace and better sleep quality notably contribute to better half-marathon performance.
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Affiliation(s)
- Dingbo Shu
- Department of Radiology, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China
- School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China
- Shaoxing Key Laboratory of Functional Molecular Imaging of Tumor and Interventional Diagnosis and Treatment, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China
| | - Jianping Wang
- Department of Radiology, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China
- Shaoxing Key Laboratory of Functional Molecular Imaging of Tumor and Interventional Diagnosis and Treatment, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China
| | - Tong Zhou
- Department of Radiology, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China
- Shaoxing Key Laboratory of Functional Molecular Imaging of Tumor and Interventional Diagnosis and Treatment, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China
| | - Feng Chen
- Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Fanjing Meng
- School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China
- Institute of Sport Medicine, Hangzhou Normal University, Hangzhou, China
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Xiaoyin Wu
- Shukun (Beijing) Technology Co., Ltd, Beijing, China
| | - Zhenhua Zhao
- Department of Radiology, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China.
- Shaoxing Key Laboratory of Functional Molecular Imaging of Tumor and Interventional Diagnosis and Treatment, Shaoxing people's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, China.
| | - Siyu Dai
- School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China.
- Institute of Sport Medicine, Hangzhou Normal University, Hangzhou, China.
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China.
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Siquier-Coll J, Delgado-García G, Soto-Méndez F, Liñán-González A, García R, González-Fernández FT. The Effect of Caffeine Supplementation on Female Volleyball Players' Performance and Wellness during a Regular Training Week. Nutrients 2023; 16:29. [PMID: 38201859 PMCID: PMC10780397 DOI: 10.3390/nu16010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/16/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND caffeine is an ergogenic aid that still needs to be investigated in women's sports performance. METHODS Eight semi-professional women's volleyball players (height = 1.63 ± 0.08 m; weight = 66.67 ± 4.74 kg) voluntarily participated in this study. A randomized crossover design was implemented where players underwent caffeine and placebo conditions. In the caffeine condition, participants consumed 5 mg/kg of caffeine based on their body weight before acute training. The evaluations were performed over two weeks of training. In both conditions, the countermovement jump, repeated jumps for 15 s, and handgrip tests were performed. The change of direction was assessed using the 505 test. Well-being was also assessed with a wellness questionnaire. A repeated measures ANOVA and correlation analysis were performed. RESULTS The repeated measures ANOVA revealed a main effect of supplementation (F (1.7) = 8.41, p = 0.02, η2 = 0.54) across the training week on physical performance. Additionally, there was a positive effect on perceived fatigue (F (1.7) = 7.29, p = 0.03, η2 = 0.51). CONCLUSIONS Caffeine improved performance and fatigue parameters over one week of training. Further research is needed on women, focusing on physical performance and wellbeing, especially during intense periods.
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Affiliation(s)
- Jesús Siquier-Coll
- Department of Communication and Education, Universidad Loyola Andalucía, 41704 Dos Hermanas, Spain
| | - Gabriel Delgado-García
- SER Research Group, Department of Physical Activity and Sport Sciences, Center of Higher Education Alberta Giménez, Affiliated to Pontifical University of Comillas, 07013 Palma, Spain; (G.D.-G.); (F.S.-M.)
| | - Fulgencio Soto-Méndez
- SER Research Group, Department of Physical Activity and Sport Sciences, Center of Higher Education Alberta Giménez, Affiliated to Pontifical University of Comillas, 07013 Palma, Spain; (G.D.-G.); (F.S.-M.)
| | - Antonio Liñán-González
- Department of Nursing, Faculty of Health Sciences, Melilla Campus, University of Granada, 52005 Melilla, Spain
| | - Raquel García
- Department of Nursing, Faculty of Health Sciences, University of Granada, 18071 Granada, Spain;
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The effect of caffeine on subsequent sleep: A systematic review and meta-analysis. Sleep Med Rev 2023; 69:101764. [PMID: 36870101 DOI: 10.1016/j.smrv.2023.101764] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 01/22/2023] [Accepted: 01/26/2023] [Indexed: 02/09/2023]
Abstract
The consumption of caffeine in response to insufficient sleep may impair the onset and maintenance of subsequent sleep. This systematic review and meta-analysis investigated the effect of caffeine on the characteristics of night-time sleep, with the intent to identify the time after which caffeine should not be consumed prior to bedtime. A systematic search of the literature was undertaken with 24 studies included in the analysis. Caffeine consumption reduced total sleep time by 45 min and sleep efficiency by 7%, with an increase in sleep onset latency of 9 min and wake after sleep onset of 12 min. Duration (+6.1 min) and proportion (+1.7%) of light sleep (N1) increased with caffeine intake and the duration (-11.4 min) and proportion (-1.4%) of deep sleep (N3 and N4) decreased with caffeine intake. To avoid reductions in total sleep time, coffee (107 mg per 250 mL) should be consumed at least 8.8 h prior to bedtime and a standard serve of pre-workout supplement (217.5 mg) should be consumed at least 13.2 h prior to bedtime. The results of the present study provide evidence-based guidance for the appropriate consumption of caffeine to mitigate the deleterious effects on sleep.
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Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis. Nutrients 2022; 15:nu15010148. [PMID: 36615805 PMCID: PMC9824573 DOI: 10.3390/nu15010148] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
Caffeine (1,3,7-trimethylxanthine) is one of the most widely consumed performance-enhancing substances in sport due to its well-established ergogenic effects. The use of caffeine is more common in aerobic-based sports due to the ample evidence endorsing the benefits of caffeine supplementation on endurance exercise. However, most of this evidence was established with cycling trials in the laboratory, while the effects of the acute intake of caffeine on endurance running performance have not been properly reviewed and meta-analyzed. The purpose of this study was to perform a systematic review and meta-analysis of the existing literature on the effects of caffeine intake on endurance running performance. A systematic review of published studies was performed in four different scientific databases (Medline, Scopus, Web of Science, and SportDiscus) up until 5 October 2022 (with no year restriction applied to the search strategy). The selected studies were crossover experimental trials in which the ingestion of caffeine was compared to a placebo situation in a single- or double-blind randomized manner. The effect of caffeine on endurance running was measured by time to exhaustion or time trials. We assessed the methodological quality of each study using Cochrane’s risk-of-bias (RoB 2) tool. A subsequent meta-analysis was performed using the random effects model to calculate the standardized mean difference (SMD) estimated by Hedges’ g and 95% confidence intervals (CI). Results: A total of 21 randomized controlled trials were included in the analysis, with caffeine doses ranging between 3 and 9 mg/kg. A total of 21 studies were included in the systematic review, with a total sample of 254 participants (220 men, 19 women and 15 participants with no information about gender; 167 were categorized as recreational and 87 were categorized as trained runners.). The overall methodological quality of studies was rated as unclear-to-low risk of bias. The meta-analysis revealed that the time to exhaustion in running tests was improved with caffeine (g = 0.392; 95% CI = 0.214 to 0.571; p < 0.001, magnitude = medium). Subgroup analysis revealed that caffeine was ergogenic for time to exhaustion trials in both recreational runners (g = 0.469; 95% CI = 0.185 to 0.754; p = 0.001, magnitude = medium) and trained runners (g = 0.344; 95% CI = 0.122 to 0.566; p = 0.002, magnitude = medium). The meta-analysis also showed that the time to complete endurance running time trials was reduced with caffeine in comparison to placebo (g = −0.101; 95% CI = −0.190 to −0.012, p = 0.026, magnitude = small). In summary, caffeine intake showed a meaningful ergogenic effect in increasing the time to exhaustion in running trials and improving performance in running time trials. Hence, caffeine may have utility as an ergogenic aid for endurance running events. More evidence is needed to establish the ergogenic effect of caffeine on endurance running in women or the best dose to maximize the ergogenic benefits of caffeine supplementation.
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de Souza JG, Del Coso J, Fonseca FDS, Silva BVC, de Souza DB, da Silva Gianoni RL, Filip-Stachnik A, Serrão JC, Claudino JG. Risk or benefit? Side effects of caffeine supplementation in sport: a systematic review. Eur J Nutr 2022; 61:3823-3834. [PMID: 35380245 DOI: 10.1007/s00394-022-02874-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 03/17/2022] [Indexed: 01/20/2023]
Abstract
PURPOSE The aim of this study was to systematically review evidence on the prevalence and magnitude of side effects associated with caffeine supplementation in athletes. METHODS Systematic searches through the PubMed, VHL, Scopus, and Web of Science databases were conducted according to the PRISMA guidelines. Peer-reviewed articles written in English that reported the prevalence/percentage or magnitude/effect size of side effects after caffeine supplementation in athletes in a sports context were included. Studies were grouped by the dose of caffeine administered as follows: low = ≤ 3.0 mg/kg; moderate = from 3.1 to 6.0 mg/kg; high = ≥ 6.1 mg/kg. The magnitude of the side effects was calculated with effect sizes. RESULTS The search retrieved 25 studies that met the inclusion/exclusion criteria with a pooled sample of 421 participants. The supplementation with caffeine produced a higher prevalence or magnitude of all side effects under investigation when compared to placebo/control situations. The prevalence (magnitude) was between 6 and 34% (ES between 0.13 and 1.11) for low doses of caffeine, between 0 and 34% (ES between -0.13 and 1.20) for moderate doses of caffeine, and between 8 and 83% (ES between 0.04 and 1.52) with high doses of caffeine. The presence of tachycardia/heart palpitations and the negative effects on sleep onset had the highest prevalence and magnitude, in athletes using supplementation with caffeine. CONCLUSION In summary, caffeine supplementation in the doses habitually used to enhance physical performance produces several side effects, both after exercise and at least 24 h after the ingestion. However, the prevalence and magnitude of side effects with high doses of caffeine were habitually higher than with low doses of caffeine. From a practical perspective, using ~3.0 mg/kg of caffeine may be the dose of choice to obtain the ergogenic benefits of caffeine with the lowest prevalence and magnitude of side effects.
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Affiliation(s)
- Jefferson Gomes de Souza
- Laboratory of Nutrition and Sports Training, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Juan Del Coso
- Centre for Sport Studies, Rey Juan Carlos University, Fuenlabrada, Spain
| | - Fabiano de Souza Fonseca
- Physical Education Department - Laboratory of Sports Science, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
| | - Bruno Victor Corrêa Silva
- Faculty of Physical Education, University of Itaúna, Itaúna, Minas Gerais, Brazil
- Physical Education College, University Center of Belo Horizonte -Uni BH, Belo Horizonte, Minas Gerais, Brazil
| | | | | | - Aleksandra Filip-Stachnik
- Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education in Katowice, Katowice, Poland.
| | - Julio Cerca Serrão
- Laboratory of Biomechanics - School of Physical Education and Sport, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - João Gustavo Claudino
- Faculty of Physical Education, University of Itaúna, Itaúna, Minas Gerais, Brazil
- Research and Development Department, LOAD CONTROL, Contagem, Minas Gerais, Brazil
- Laboratory of Biomechanics - School of Physical Education and Sport, Universidade de São Paulo, São Paulo, São Paulo, Brazil
- Department of Physical Education - Center for Health Sciences, Federal University of Piauí, Teresina, Piauí, Brazil
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Tallis J, Guimaraes-Ferreira L, Clarke ND. Not Another Caffeine Effect on Sports Performance Study-Nothing New or More to Do? Nutrients 2022; 14:4696. [PMID: 36364958 PMCID: PMC9658326 DOI: 10.3390/nu14214696] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 11/07/2023] Open
Abstract
The performance-enhancing potential of acute caffeine consumption is firmly established with benefits for many aspects of physical performance and cognitive function summarised in a number of meta-analyses. Despite this, there remains near exponential growth in research articles examining the ergogenic effects of caffeine. Many such studies are confirmatory of well-established ideas, and with a wealth of convincing evidence available, the value of further investigation may be questioned. However, several important knowledge gaps remain. As such, the purpose of this review is to summarise key knowledge gaps regarding the current understanding of the performance-enhancing effect of caffeine and justify their value for future investigation. The review will provide a particular focus on ten research priorities that will aid in the translation of caffeine's ergogenic potential to real-world sporting scenarios. The discussion presented here is therefore essential in guiding the design of future work that will aid in progressing the current understanding of the effects of caffeine as a performance enhancer.
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Affiliation(s)
- Jason Tallis
- Research Centre for Sport, Exercise and Life Sciences, Coventry University, Coventry CV1 5FB, UK
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The Impact of Dietary Factors on the Sleep of Athletically Trained Populations: A Systematic Review. Nutrients 2022; 14:nu14163271. [PMID: 36014779 PMCID: PMC9414564 DOI: 10.3390/nu14163271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/08/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
Many athletic populations report poor sleep, especially during intensive training and competition periods. Recently, diet has been shown to significantly affect sleep in general populations; however, little is known about the effect diet has on the sleep of athletically trained populations. With sleep critical for optimal recovery and sports performance, this systematic review aimed to evaluate the evidence demonstrating that dietary factors influence the sleep of athletically trained populations. Four electronic databases were searched from inception to May 2022, with primary research articles included if they contained a dietary factor(s), an outcome measure of sleep or sleepiness, and participants could be identified as ‘athletically trained’. Thirty-five studies were included, with 21 studies assessed as positive quality, 13 as neutral, and one as negative. Sleep or sleepiness was measured objectively in 46% of studies (n = 16). The review showed that evening (≥5 p.m.) caffeine intakes >2 mg·kg−1 body mass decreased sleep duration and sleep efficiency, and increased sleep latency and wake after sleep onset. Evening consumption of high glycaemic index carbohydrates and protein high in tryptophan may reduce sleep latency. Although promising, more research is required before the impact of probiotics, cherry juice, and beetroot juice on the sleep of athletes can be resolved. Athletic populations experiencing sleep difficulties should be screened for caffeine use and trial dietary strategies (e.g., evening consumption of high GI carbohydrates) to improve sleep.
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Giráldez-Costas V, Aguilar-Navarro M, González-García J, Del Coso J, Salinero JJ. Acute caffeine supplementation enhances several aspects of shot put performance in trained athletes. J Int Soc Sports Nutr 2022; 19:366-380. [PMID: 35813843 PMCID: PMC9261737 DOI: 10.1080/15502783.2022.2096415] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The aim of this investigation was to determine the effect of a moderate dose of caffeine (3 mg/kg/b.m.) on muscular power and strength and shot put performance in trained athletes. Methods. Thirteen shot putters (eight men and five women) participated in a double-blind, placebo-controlled, randomized experiment. In two different trials, participants ingested either 3 mg/kg/b.m. of caffeine or a placebo. Forty-five min after substance ingestion, athletes performed a handgrip dynamometry test, a countermovement jump (CMJ), a squat jump (SJ), and a maximum-velocity push-up. The athletes also performed three types of throws: a backwards throw, a standing shot put and a complete shot put. Results. In comparison with the placebo, caffeine ingestion increased CMJ height (32.25 ± 7.26 vs. 33.83 ± 7.72 cm, respectively; effect size (ES) = 0.82, p = 0.012; +5.0%;) and SJ height (29.93 ± 7.88 vs. 31.40 ± 7.16 cm; ES = 0.63, p = 0.042; +6.4%) and distance in the standing shot put (10.27 ± 1.77 m vs. 10.55 ± 1.94 m; ES = 0.87, p = 0.009; +2.6%). However, caffeine ingestion did not increase strength in the handgrip test, power in the ballistic push-up, or distance in the backwards throw (all p > 0.05). Shot put performance changed from 11.24 ± 2.54 to 11.35 ± . 2.57 m (ES = 0.33, p = 0.26; +1.0%), although the difference did not reach statistically significant differences. Caffeine ingestion did not increase the prevalence of side effects (nervousness, gastrointestinal problems, activeness, irritability, muscular pain, headache, and diuresis) in comparison with the placebo (p > 0.05). Conclusion. In summary, caffeine ingestion with a dose equivalent to 3 mg/kg/b.m. elicited moderate improvements in several aspects of physical performance in trained shot putters but with a small effect on distance in a complete shot put.
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Affiliation(s)
| | | | | | - Juan Del Coso
- Camilo José Cela University, Exercise Physiology Laboratory, Madrid, Spain.,Rey Juan Carlos University, Centre for Sport Studies, Fuenlabrada, Spain
| | - Juan José Salinero
- Castilla-La Mancha University, Faculty of Sport Sciences. Sport Training Laboratory (GIRD), Toledo, Spain
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Saimaiti A, Zhou DD, Li J, Xiong RG, Gan RY, Huang SY, Shang A, Zhao CN, Li HY, Li HB. Dietary sources, health benefits, and risks of caffeine. Crit Rev Food Sci Nutr 2022; 63:9648-9666. [PMID: 35574653 DOI: 10.1080/10408398.2022.2074362] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dietary intake of caffeine has significantly increased in recent years, and beneficial and harmful effects of caffeine have been extensively studied. This paper reviews antioxidant and anti-inflammatory activities of caffeine as well as its protective effects on cardiovascular diseases, obesity, diabetes mellitus, cancers, and neurodegenerative and liver diseases. In addition, we summarize the side effects of long-term or excessive caffeine consumption on sleep, migraine, intraocular pressure, pregnant women, children, and adolescents. The health benefits of caffeine depend on the amount of caffeine intake and the physical condition of consumers. Moderate intake of caffeine helps to prevent and modulate several diseases. However, the long-term or over-consumption of caffeine can lead to addiction, insomnia, migraine, and other side effects. In addition, children, adolescents, pregnant women, and people who are sensitive to caffeine should be recommended to restrict/reduce their intake to avoid potential adverse effects.
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Affiliation(s)
- Adila Saimaiti
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Dan-Dan Zhou
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Jiahui Li
- School of Science, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Ruo-Gu Xiong
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Ren-You Gan
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, National Agricultural Science & Technology Center, Chengdu, China
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Si-Yu Huang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Ao Shang
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Cai-Ning Zhao
- Department of Clinical Oncology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Hang-Yu Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Hua-Bin Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, China
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Miranda-Castro S, Aidar FJ, de Moura SS, Marcucci-Barbosa L, Lobo LF, de Assis Dias Martins-Júnior F, da Silva Filha R, Vaz de Castro PAS, Simões e Silva AC, da Glória de Souza D, da Silva SA, de Castro Pinto KM, de Paula Costa G, Silva AF, Clemente FM, Pereira WVC, Nunes-Silva A. The Curcumin Supplementation with Piperine Can Influence the Acute Elevation of Exercise-Induced Cytokines: Double-Blind Crossover Study. BIOLOGY 2022; 11:biology11040573. [PMID: 35453772 PMCID: PMC9032800 DOI: 10.3390/biology11040573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 12/28/2022]
Abstract
Simple Summary Inflammation is an immune response to harmful stimuli, such as pathogens and damaged cells. Intense exercise can induce a local and systemic inflammatory response as well. We believe that exercise-induced inflammatory responses are essential for muscle repair and regeneration. However, uncontrolled acute inflammation in athletes during the training process and competition could reduce the level of performance. In this study, we investigate the effects of curcumin and piperine on the exercise-induced inflammatory response. Abstract Background: to evaluate the effects of one week of supplementation with curcumin combined with piperine on physical performance, immune system cell counts, muscle damage, and plasma levels of inflammatory markers after a treadmill running training session. Methods: This study is a double-blind, crossover-balanced clinical trial with a three-week intervention. Sixteen male runners with a mean age of 36 ± 9 years and VO2 max of 60.6 ± 9.03 mL.kg −1 min −1 were recruited and randomly divided into 2 groups: the first group (CPG) was supplemented daily for 7 days with 500 mg of curcumin + 20 mg piperine, and the second group (PG) was supplemented with 540 mg of cellulose. After the 7th day of supplementation, the volunteers participated in the experimental running protocol, where blood samples were collected before, after, and one hour after exercise for analysis of the number of leukocytes, creatine kinase, and cytokine concentration (IL-2, TNF-α, IFN, IL-6, and IL-10) using flow cytometry. This process was repeated, reversing the supplementation offered to the groups. Results: curcumin and piperine supplementation could not change the physical performance, immune cell counts, and muscle damage; however, the aerobic fatiguing exercise protocol inhibited the elevation of the plasmatic levels of some cytokines. The running exercise protocol could elevate the circulating levels of IL-2 (from 49.7 to 59.3 pg/mL), TNF-α (from 48.5 to 51.5 pg/mL), INF (from 128.8 to 165.0 pg/mL), IL-6 (from 63.1 to 77.3 pg/mL), and IL-10 (from 48.9 to 59.6 pg/mL) 1 h after the end of the running protocol. However, the curcumin and piperine supplementation could inhibit this elevation. Conclusions: curcumin and piperine supplementation had no effect on physical performance, immune cell counts, or muscle damage; however, the supplementation could modulate the kinetics of IL-2, TNF-α, INF, IL-6, and IL-10 1 h after the end of exercise.
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Affiliation(s)
- Stéfani Miranda-Castro
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
- Graduate Health and Nutrition Program, Federal University of Ouro Preto (PPGSN/UFOP), Ouro Preto 35400-000, Brazil;
| | - Felipe J. Aidar
- Department of Physical Education, Federal University of Sergipe (UFS), São Cristóvão 49100-000, Brazil;
| | - Samara Silva de Moura
- Graduate Health and Nutrition Program, Federal University of Ouro Preto (PPGSN/UFOP), Ouro Preto 35400-000, Brazil;
| | - Lucas Marcucci-Barbosa
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
| | - Lázaro Fernandes Lobo
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
| | - Francisco de Assis Dias Martins-Júnior
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
| | - Roberta da Silva Filha
- Interdisciplinary Laboratory of Medical Investigation, Department of Pediatrics, Faculty of Medicine UFMG (LIIM/UFMG), Belo Horizonte 30130-100, Brazil; (R.d.S.F.); (P.A.S.V.d.C.); (A.C.S.e.S.)
| | - Pedro Alves Soares Vaz de Castro
- Interdisciplinary Laboratory of Medical Investigation, Department of Pediatrics, Faculty of Medicine UFMG (LIIM/UFMG), Belo Horizonte 30130-100, Brazil; (R.d.S.F.); (P.A.S.V.d.C.); (A.C.S.e.S.)
| | - Ana Cristina Simões e Silva
- Interdisciplinary Laboratory of Medical Investigation, Department of Pediatrics, Faculty of Medicine UFMG (LIIM/UFMG), Belo Horizonte 30130-100, Brazil; (R.d.S.F.); (P.A.S.V.d.C.); (A.C.S.e.S.)
| | - Danielle da Glória de Souza
- Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil;
| | - Siomara Aparecida da Silva
- Sports Teaching Methodology Laboratory, School of Physical Education, Federal University of Ouro Preto (LAMEES/EEF-UFOP), Ouro Preto 35400-000, Brazil;
| | - Kelerson Mauro de Castro Pinto
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
- Graduate Health and Nutrition Program, Federal University of Ouro Preto (PPGSN/UFOP), Ouro Preto 35400-000, Brazil;
| | - Guilherme de Paula Costa
- Graduate Program in Biological Sciences, Research Center in Biological Sciences, Federal University of Ouro Preto (CEBIOL), Ouro Preto 35400-000, Brazil;
| | - Ana Filipa Silva
- Sports and Leisure School, Polytechnic Institute of Viana do Castelo, Rua Escola Industrial e Comercial de Nun’Álvares, 4900-347 Viana do Castelo, Portugal; (A.F.S.); (F.M.C.)
- Research Center in Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal
- The Research Centre in Sports Sciences, Health Sciences and Human Development (CIDESD), 5001-801 Vila Real, Portugal
| | - Filipe Manuel Clemente
- Sports and Leisure School, Polytechnic Institute of Viana do Castelo, Rua Escola Industrial e Comercial de Nun’Álvares, 4900-347 Viana do Castelo, Portugal; (A.F.S.); (F.M.C.)
- Research Center in Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal
- Instituto de Telecomunicações, Delegação da Covilhã, 1049-001 Lisboa, Portugal
| | - William Valadares Campos Pereira
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
| | - Albená Nunes-Silva
- Laboratory of Exercise Inflammation and Immunology, School of Physical Education, Federal University of Ouro Preto (LABIIEX/EEF-UFOP), Ouro Preto 35400-000, Brazil; (S.M.-C.); (L.M.-B.); (L.F.L.); (F.d.A.D.M.-J.); (K.M.d.C.P.); (W.V.C.P.)
- Graduate Health and Nutrition Program, Federal University of Ouro Preto (PPGSN/UFOP), Ouro Preto 35400-000, Brazil;
- Correspondence:
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12
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Moss K, Zhang Y, Kreutzer A, Graybeal AJ, Porter RR, Braun-Trocchio R, Shah M. The Relationship Between Dietary Intake and Sleep Quality in Endurance Athletes. Front Sports Act Living 2022; 4:810402. [PMID: 35308592 PMCID: PMC8927303 DOI: 10.3389/fspor.2022.810402] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 02/07/2022] [Indexed: 02/04/2023] Open
Abstract
Many endurance athletes have poor sleep quality which may affect performance and health. It is unclear how dietary intake affects sleep quality among athletes. We examined if sleep quality in endurance athletes is associated with consumption of fruit, vegetables, whole grains, dairy milk, and caffeinated beverages. Two hundred thirty-four endurance athletes (39.5 ± 14.1 year) participated in a survey. Participants provided information on demographics, anthropometry, sleep behavior and quality, and dietary intake via questionnaires. Sleep quality was assessed using the Athlete Sleep Screening Questionnaire (ASSQ) with a global score (ASSQ-global) and subscales including sleep difficulty (ASSQ-SD), chronotype (ASSQ-C), and disordered breathing while sleeping (ASSQ-SDB). A general linear model (GLM), adjusted for age, body mass index, sleep discomfort, sleep behavior, gender, race, and ethnicity, showed that higher caffeinated beverage intake was related to poorer global sleep quality (p = 0.01) and increased risk for disordered breathing while sleeping (p = 0.03). Higher whole grain intake was associated with a morning chronotype and lower risk for sleep issues (p = 0.01). The GLM did not reveal a relationship between sleep quality and dairy milk, fruit, and vegetable intake. In conclusion, caffeinated beverages and whole grain intake may influence sleep quality. This relationship needs to be confirmed by further research.
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Affiliation(s)
- Kamiah Moss
- Department of Kinesiology, Texas Christian University, Fort Worth, TX, United States
| | - Yan Zhang
- Harris College of Nursing and Health Sciences, Texas Christian University, Fort Worth, TX, United States
| | - Andreas Kreutzer
- Department of Kinesiology, Texas Christian University, Fort Worth, TX, United States
| | - Austin J. Graybeal
- School of Kinesiology and Nutrition, College of Education and Human Sciences, University of Southern Mississippi, Hattiesburg, MS, United States
| | - Ryan R. Porter
- Department of Kinesiology, Texas Christian University, Fort Worth, TX, United States
| | - Robyn Braun-Trocchio
- Department of Kinesiology, Texas Christian University, Fort Worth, TX, United States
| | - Meena Shah
- Department of Kinesiology, Texas Christian University, Fort Worth, TX, United States
- *Correspondence: Meena Shah
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13
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Gough LA, Faghy M, Clarke N, Kelly AL, Cole M, Lun Foo W. No independent or synergistic effects of carbohydrate-caffeine mouth rinse on repeated sprint performance during simulated soccer match play in male recreational soccer players. SCI MED FOOTBALL 2022; 6:519-527. [PMID: 35094667 DOI: 10.1080/24733938.2021.2021277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The study examined the synergistic and independent effects of carbohydrate-caffeine mouth rinse on repeated sprint performance during simulated soccer match play. Nine male soccer players (21 ± 3 years, 1.75 ± 0.05 m, 68.0 ± 9.0 kg) completed four trials with either 6 mg·kg-1 caffeine + 10% maltodextrin (CHO+CAFMR), 6 mg·kg-1 caffeine (CAFMR), 10% maltodextrin (CHOMR), water (PLA) in a block randomised, double-blinded, counterbalanced and crossover manner separated by minimum 96 h. All solutions were taste-matched and a carbohydrate-rich meal (2 g·kg-1body mass) was provided 2 h before each trial. Each trial consisted of a 90-min soccer-specific aerobic field test (SAFT90) and two bouts of repeated sprint ability tests (RSAT; 6 × 6 s sprints with 24 s recovery) completed at 0 min and 75th min of SAFT90. A 25 ml solution of either CHO+CAFMR, CAFMR, CHOMR or PLA was rinsed immediately before the second RSAT (75 min). Mean power output, peak power output (PPO) or fatigue index (FI) was not impacted by any treatment during the 75th min RAST (p > 0.05). These results suggest that carbohydrate and/or caffeine mouth rinses do not have an ergogenic effect during simulated soccer exercise after a high carbohydrate meal.
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Affiliation(s)
- Lewis A Gough
- Human Performance and Health Research Group, Centre for Life and Sport Sciences (CLaSS), Birmingham City University, Birmingham, UK
| | - Mark Faghy
- Human Science Research Centre, University of Derby, Derby, UK
| | - Neil Clarke
- School of Life Sciences, Faculty of Health and Life Sciences, Coventry University, Coventry, UK
| | - Adam L Kelly
- Human Performance and Health Research Group, Centre for Life and Sport Sciences (CLaSS), Birmingham City University, Birmingham, UK
| | - Matthew Cole
- Human Performance and Health Research Group, Centre for Life and Sport Sciences (CLaSS), Birmingham City University, Birmingham, UK
| | - Wee Lun Foo
- Human Performance and Health Research Group, Centre for Life and Sport Sciences (CLaSS), Birmingham City University, Birmingham, UK
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14
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Guest NS, VanDusseldorp TA, Nelson MT, Grgic J, Schoenfeld BJ, Jenkins NDM, Arent SM, Antonio J, Stout JR, Trexler ET, Smith-Ryan AE, Goldstein ER, Kalman DS, Campbell BI. International society of sports nutrition position stand: caffeine and exercise performance. J Int Soc Sports Nutr 2021; 18:1. [PMID: 33388079 PMCID: PMC7777221 DOI: 10.1186/s12970-020-00383-4] [Citation(s) in RCA: 193] [Impact Index Per Article: 64.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 10/31/2020] [Indexed: 12/13/2022] Open
Abstract
Following critical evaluation of the available literature to date, The International Society of Sports Nutrition (ISSN) position regarding caffeine intake is as follows: 1. Supplementation with caffeine has been shown to acutely enhance various aspects of exercise performance in many but not all studies. Small to moderate benefits of caffeine use include, but are not limited to: muscular endurance, movement velocity and muscular strength, sprinting, jumping, and throwing performance, as well as a wide range of aerobic and anaerobic sport-specific actions. 2. Aerobic endurance appears to be the form of exercise with the most consistent moderate-to-large benefits from caffeine use, although the magnitude of its effects differs between individuals. 3. Caffeine has consistently been shown to improve exercise performance when consumed in doses of 3-6 mg/kg body mass. Minimal effective doses of caffeine currently remain unclear but they may be as low as 2 mg/kg body mass. Very high doses of caffeine (e.g. 9 mg/kg) are associated with a high incidence of side-effects and do not seem to be required to elicit an ergogenic effect. 4. The most commonly used timing of caffeine supplementation is 60 min pre-exercise. Optimal timing of caffeine ingestion likely depends on the source of caffeine. For example, as compared to caffeine capsules, caffeine chewing gums may require a shorter waiting time from consumption to the start of the exercise session. 5. Caffeine appears to improve physical performance in both trained and untrained individuals. 6. Inter-individual differences in sport and exercise performance as well as adverse effects on sleep or feelings of anxiety following caffeine ingestion may be attributed to genetic variation associated with caffeine metabolism, and physical and psychological response. Other factors such as habitual caffeine intake also may play a role in between-individual response variation. 7. Caffeine has been shown to be ergogenic for cognitive function, including attention and vigilance, in most individuals. 8. Caffeine may improve cognitive and physical performance in some individuals under conditions of sleep deprivation. 9. The use of caffeine in conjunction with endurance exercise in the heat and at altitude is well supported when dosages range from 3 to 6 mg/kg and 4-6 mg/kg, respectively. 10. Alternative sources of caffeine such as caffeinated chewing gum, mouth rinses, energy gels and chews have been shown to improve performance, primarily in aerobic exercise. 11. Energy drinks and pre-workout supplements containing caffeine have been demonstrated to enhance both anaerobic and aerobic performance.
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Affiliation(s)
- Nanci S Guest
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 1 King's College Circle, Room 5326A, Toronto, ON, M5S 1A8, Canada.
| | - Trisha A VanDusseldorp
- Department of Exercise Science and Sport Management, Kennesaw State University, Kennesaw, GA, 30144, USA
| | | | - Jozo Grgic
- Institute for Health and Sport (IHES), Victoria University, Melbourne, Australia
| | - Brad J Schoenfeld
- Department of Health Sciences, CUNY Lehman College, Bronx, NY, 10468, USA
| | - Nathaniel D M Jenkins
- Department of Health and Human Physiology, University of Iowa, Iowa City, IA, 52240, USA
| | - Shawn M Arent
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Colombia, SC, 29208, USA
- School of Social and Health Sciences, Leeds Trinity University, Leeds, UK
| | - Jose Antonio
- Exercise and Sport Science, Nova Southeastern University, Davie, FL, 33314, USA
| | - Jeffrey R Stout
- Institue of Exercise Physiology and Rehabilitation Science, University of Central Florida, Orlando, FL, 32816, USA
| | | | - Abbie E Smith-Ryan
- Department of Exercise and Sport Science, Applied Physiology Laboratory, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Erica R Goldstein
- Institue of Exercise Physiology and Rehabilitation Science, University of Central Florida, Orlando, FL, 32816, USA
| | - Douglas S Kalman
- Nutrion Department, College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL, 33314, USA
- Scientific Affairs. Nutrasource, Guelph, ON, Canada
| | - Bill I Campbell
- Performance & Physique Enhancement Laboratory, University of South Florida, Tampa, FL, 33612, USA
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15
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Simim MADM, Souza HDS, Cardoso Filho CA, Gianoni RLDS, Bezerra RR, Affonso HDO, Amadio AC, D’Almeida V, Serrão JC, Claudino JG. Sleep quality monitoring in individual sports athletes: parameters and definitions by systematic review. Sleep Sci 2020; 13:267-285. [PMID: 33564374 PMCID: PMC7856669 DOI: 10.5935/1984-0063.20200032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 06/22/2020] [Indexed: 12/26/2022] Open
Abstract
In the present review, we identify which instruments and parameters are used for sleep quality monitoring in individual sport athletes and which definitions were used for sleep quality parameters in this literature field. Systematic searches for articles reporting the qualitative markers related to sleep in team sport athletes were conducted in PubMed, Scopus and Web of Science online databases. The systematic review followed the Preferred Reporting Items for Systematic Reviews. The initial search returned 3316 articles. After the removal of duplicate articles, eligibility assessment, 75 studies were included in this systematic review. Our main findings were that the most widely used measurement instruments were Actigraphy (25%), Rating Likert Scales (16%) and Sleep Diary (13%). On sleep quality parameters (Sleep duration = 14%; Wake after sleep onset = 14%; Sleep Quality = 12%; Sleep Effciency = 11% and Sleep Latency = 9%), the main point is that there are different definitions for the same parameters in many cases reported in the literature. We conclude that the most widely used instruments for monitoring sleep quality were Actigraphy, Likert scales and Sleep diary. Moreover, the definitions of sleep parameters are inconsistent in the literature, hindering the understanding of the sleep-sport performance relationship.
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Affiliation(s)
- Mário Antônio de Moura Simim
- Federal University of Ceará, Institute of Physical Education and Sports - Fortaleza - Ceará - Brazil
- Federal University of Ceará, Master Program in Physioterapy and Functioning - Fortaleza - Ceará - Brazil
| | - Helton de Sá Souza
- Universidade Federal de São Paulo, Departamento de Psicobiologia - São Paulo -Brazil
- Centro Universitário de Volta Redonda - UniFOA, Curso de Educação Física - Volta Redonda - Rio de Janeiro - Brazil
| | | | - Rodrigo Luiz da Silva Gianoni
- Paulista University - UNIP
- LOAD CONTROL, Research and Development Department - Contagem - Minas Gerais - Brazil
- Peruíbe College - FPbe - UNISEPE
| | | | - Helvio de Oliveira Affonso
- Appto Physiology, Laboratory of Exercise, Nutrition and Sports Training, Espirito Santo - Vitoria - Espírito Santo - Brazil
- Vila Velha University, Pharmaceutical Sciences Graduate Program - Vila Velha - Espírito Santo - Brazil
| | - Alberto Carlos Amadio
- Universidade de São Paulo, School of Physical Education and Sport - Laboratory of Biomechanics- Brazil
| | - Vânia D’Almeida
- Universidade Federal de São Paulo, Departamento de Psicobiologia - São Paulo -Brazil
| | - Júlio Cerca Serrão
- Universidade de São Paulo, School of Physical Education and Sport - Laboratory of Biomechanics- Brazil
| | - João Gustavo Claudino
- Universidade de São Paulo, School of Physical Education and Sport - Laboratory of Biomechanics- Brazil
- LOAD CONTROL, Research and Development Department - Contagem - Minas Gerais - Brazil
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16
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Del Coso J, Salinero JJ, Lara B. Effects of Caffeine and Coffee on Human Functioning. Nutrients 2020; 12:nu12010125. [PMID: 31906419 PMCID: PMC7019838 DOI: 10.3390/nu12010125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 12/19/2019] [Accepted: 12/20/2019] [Indexed: 02/06/2023] Open
Affiliation(s)
- Juan Del Coso
- Centre for Sport Studies, Rey Juan Carlos University, Fuenlabrada, 28943 Madrid, Spain
- Correspondence: ; Tel.: +34-918444694
| | - Juan José Salinero
- Exercise Physiology Laboratory, Camilo José Cela University, 28692 Madrid, Spain; (J.J.S.); (B.L.)
| | - Beatriz Lara
- Exercise Physiology Laboratory, Camilo José Cela University, 28692 Madrid, Spain; (J.J.S.); (B.L.)
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