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Tan C, Lu J, Wang J, An Y, Cao G, Zhao D, Qiu J. Chronotype characteristics of professional athletes in China: a comprehensive descriptive study. J Physiol Anthropol 2023; 42:26. [PMID: 37941071 PMCID: PMC10631192 DOI: 10.1186/s40101-023-00343-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 10/22/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND Chronotype has gained recognition as a significant factor in enhancing athletic performance. This study aimed to deepen our understanding of athletes' sleep chronotypes and provide a foundation for developing evidence-based training and competition programs. By comprehensively describing and analyzing the chronotype characteristics of Chinese professional athletes, considering individual and sports factors, sleep quality and habits, and mental energy, this research aimed to contribute valuable insights to the field. METHODS A sample of 1069 professional athletes from sports teams in Shanghai completed the Athlete Sleep Screening Questionnaire and the Athlete Mental Energy Scale to assess chronotype, sleep quality, sleep-influencing habits, and mental energy. RESULTS Among athletes, sleep typology fell within the intermediate range, slightly leaning toward morningness. Male athletes and those who engaged in static sports displayed a greater propensity for morningness. Age correlated with a preference for eveningness. High-level athletes exhibited a stronger inclination toward eveningness. Sleep quality issues were associated with an inclination toward eveningness. Daily caffeine intake and the habit of using electronic devices before bedtime are also linked to eveningness. Chronotype demonstrated the ability to predict various dimensions of athletes' mental energy. It was the strongest predictor of vigor, but the loadings were smaller than those of sleep quality. CONCLUSION Chinese athletes' chronotypes primarily exhibit distinct characteristics related to individual factors such as gender, sports discipline, and ranking, as well as habits like caffeine consumption and electronic device use. Moreover, these sleep patterns demonstrate predictive capabilities across all dimensions of athletes' mental energy. This study sheds light on Chinese athletes' unique sleep chronotype attributes, enriching our understanding of sleep patterns among professional athletes under various systems. These insights offer an initial basis for enhancing the effectiveness of athlete scheduling and training management.
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Affiliation(s)
- Chenhao Tan
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China
| | - Jiaojiao Lu
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China
| | - Jinhao Wang
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China
| | - Yan An
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China
| | - Guohuan Cao
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China
| | - Defeng Zhao
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China
| | - Jun Qiu
- Shanghai Research Institute of Sports Science (Shanghai Anti-Doping Agency), Shanghai, 200030, China.
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Digital media use and sleep in late adolescence and young adulthood: A systematic review. Sleep Med Rev 2022; 68:101742. [PMID: 36638702 DOI: 10.1016/j.smrv.2022.101742] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 12/08/2022] [Accepted: 12/22/2022] [Indexed: 01/01/2023]
Abstract
Despite much attention on digital media use and young peoples' sleep, the literature on digital media and its impact on sleep in older adolescents and young adults remains to be synthesized. We conducted a systematic review of studies including young people aged 16-25 years. We searched Medline, Web of Science, and CINAHL for observational studies, identifying 60 studies. These studies were assessed for methodological quality. Only studies rated as moderate or high-quality studies were included (n = 42). A narrative synthesis summarized the impact of digital media use on eight sleep outcomes: Bedtime; Sleep onset latency or problems falling asleep; Sleep duration; Early awakening; Sleep disturbance; Daytime tiredness and function; Sleep deficits; Sleep quality. In summary, digital media use was associated to shorter sleep duration and poorer sleep quality. These associations were found for general screen use and use of mobile phone, computer, internet, and social media, but not for television, game console, and tablet use. Most studies investigating bedtime or nighttime use found associations to poor sleep outcomes. Later bedtime and daytime tiredness were associated with mobile phone use at night. Additional research is warranted to draw solid conclusions about the causal direction and to understand the underlying mechanisms.
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Sleep Regularity and Predictors of Sleep Efficiency and Sleep Duration in Elite Team Sport Athletes. SPORTS MEDICINE - OPEN 2022; 8:79. [PMID: 35713743 PMCID: PMC9206056 DOI: 10.1186/s40798-022-00470-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 06/01/2022] [Indexed: 11/27/2022]
Abstract
Background Many elite athletes have suboptimal sleep duration and efficiency, potentially due to factors that may impact sleep onset and offset times. Variability in sleep onset and offset may negatively influence sleep. The sleep regularity index (SRI) is a novel metric for sleep regularity, however there are no published descriptions of SRI in elite athletes. Further, contributors to sleep efficiency and duration in elite athletes using objective measures have not been explored. Methods Sleep was monitored over a minimum of seven consecutive days (7 to 43)—in 203 elite team sport athletes (age range = 19–36 years; female, n = 79; male, n = 124, total sleep nights = 1975) using activity monitoring and sleep diaries. The sleep regularity index (SRI) was calculated to reflect the night-to-night shifts in sleep by accounting for changes in sleep onset and sleep offset. Sleep characteristics were compared between regular and irregular sleepers and important contributors to sleep efficiency and total sleep time were assessed using multiple linear regression models. Results The median sleep regularity index and interquartile range were 85.1 (81.4 to 88.8). When compared to irregular sleepers, regular sleepers demonstrated (1) significantly greater sleep efficiency (p = 0.006; 0.31 medium effect size [ES]), (2) significantly less variability in total sleep time (− p ≤ 0.001; − 0.69, large ES) and sleep efficiency (− 0.34, small ES), (3) similar total sleep time and (4) significantly less variation in sleep onset (p ≤ 0.001; − 0.73, large ES) and offset (p ≤ 0.001; − 0.74, large ES) times. Sleep characteristics explained 73% and 22% of the variance in total sleep time and sleep efficiency, respectively. The most important contributor to total sleep time was a later sleep offset time, while the most important contributors to sleep efficiency were an earlier bedtime and less variable sleep onset times. Conclusions Bedtime and a consistent sleep onset time are important factors associated with sleep efficiency in athletes, while sleep offset is an important factor for total sleep time. Coaches and staff can assist their athletes by providing training schedules that allow for both regularity and sufficiency of time in bed where possible.
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Davis JK, Oikawa SY, Halson S, Stephens J, O'Riordan S, Luhrs K, Sopena B, Baker LB. In-Season Nutrition Strategies and Recovery Modalities to Enhance Recovery for Basketball Players: A Narrative Review. Sports Med 2021; 52:971-993. [PMID: 34905181 PMCID: PMC9023401 DOI: 10.1007/s40279-021-01606-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2021] [Indexed: 01/15/2023]
Abstract
Basketball players face multiple challenges to in-season recovery. The purpose of this article is to review the literature on recovery modalities and nutritional strategies for basketball players and practical applications that can be incorporated throughout the season at various levels of competition. Sleep, protein, carbohydrate, and fluids should be the foundational components emphasized throughout the season for home and away games to promote recovery. Travel, whether by air or bus, poses nutritional and sleep challenges, therefore teams should be strategic about packing snacks and fluid options while on the road. Practitioners should also plan for meals at hotels and during air travel for their players. Basketball players should aim for a minimum of 8 h of sleep per night and be encouraged to get extra sleep during congested schedules since back-to back games, high workloads, and travel may negatively influence night-time sleep. Regular sleep monitoring, education, and feedback may aid in optimizing sleep in basketball players. In addition, incorporating consistent training times may be beneficial to reduce bed and wake time variability. Hydrotherapy, compression garments, and massage may also provide an effective recovery modality to incorporate post-competition. Future research, however, is warranted to understand the influence these modalities have on enhancing recovery in basketball players. Overall, a strategic well-rounded approach, encompassing both nutrition and recovery modality strategies, should be carefully considered and implemented with teams to support basketball players' recovery for training and competition throughout the season.
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Affiliation(s)
- Jon K Davis
- Gatorade Sports Science Institute, PepsiCo, Inc., 3800 Gaylord Parkway, Suite 210, Frisco, TX, 75034, USA.
| | - Sara Y Oikawa
- Gatorade Sports Science Institute, PepsiCo, Inc., Bradenton, FL, 34210, USA
| | - Shona Halson
- Institute for Health and Sport (iHeS), Victoria University, Melbourne, Australia.,Department of Physiology, Australian Institute of Sport, Canberra, Australia
| | | | - Shane O'Riordan
- Institute for Health and Sport (iHeS), Victoria University, Melbourne, Australia.,Department of Physiology, Australian Institute of Sport, Canberra, Australia
| | - Kevin Luhrs
- Gatorade Sports Science Institute, PepsiCo, Inc., Bradenton, FL, 34210, USA
| | - Bridget Sopena
- Gatorade Sports Science Institute, PepsiCo, Inc., Barrington, IL, 60010, USA
| | - Lindsay B Baker
- Gatorade Sports Science Institute, PepsiCo, Inc., Barrington, IL, 60010, USA
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5
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Stressed and Not Sleeping: Poor Sleep and Psychological Stress in Elite Athletes Prior to the Rio 2016 Olympic Games. Int J Sports Physiol Perform 2021; 17:195-202. [PMID: 34548422 DOI: 10.1123/ijspp.2021-0117] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/04/2021] [Accepted: 05/27/2021] [Indexed: 11/18/2022]
Abstract
PURPOSE Psychological stress is reported to be an important contributor to reduced sleep quality and quantity observed in elite athletes. The purpose of this study was to explore the association between psychological stress and sleep and to identify if specific aspects of sleep are disturbed. METHODS One hundred thirty-one elite athletes (mean [SD], male: n = 46, age 25.8 [4.1] y; female: n = 85, age 24.3 [3.9] y) from a range of sports completed a series of questionnaires in a 1-month period approximately 4 months before the 2016 Rio Olympic Games. Questionnaires included the Pittsburgh Sleep Quality Index; Recovery-Stress Questionnaire; Depression, Anxiety, and Stress Scale (DASS 21); and Perceived Stress Scale (PSS). RESULTS Regression analysis identified the PSS and DASS stress as the main variables associated with sleep. A PSS score of 6.5 or higher was associated with poor sleep. In addition, a PSS score lower than 6.5 combined with a DASS stress score higher than 4.5 was also associated with poor sleep. Univariate analyses on subcomponents of the Pittsburgh Sleep Quality Index confirmed that PSS is associated with lower sleep quality (t99 = 2.40, P = .018), increased sleep disturbances (t99 = 3.37, P = .001), and increased daytime dysfunction (t99 = 2.93, P = .004). DASS stress was associated with increased sleep latency (t94 = 2.73, P = .008), increased sleep disturbances (t94 = 2.25, P = .027), and increased daytime dysfunction (t94 = 3.58, P = .001). CONCLUSIONS A higher stress state and higher perceived stress were associated with poorer sleep, in particular increased sleep disturbances and increased daytime dysfunction. Data suggest that relatively low levels of psychological stress are associated with poor sleep in elite athletes.
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Fox JL, Scanlan AT, Stanton R, Sargent C. Insufficient Sleep in Young Athletes? Causes, Consequences, and Potential Treatments. Sports Med 2021; 50:461-470. [PMID: 31679145 DOI: 10.1007/s40279-019-01220-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Sleep is essential in the preparation for, and the recovery from, training and competition. Despite being important for all individuals, young athletes are considered an at-risk group for reduced sleep duration and quality. The purpose of this review is to synthesise current literature relating to sleep duration and quality in young (14-25 years) athletes. Specifically, typical sleep and wake patterns, factors affecting sleep and wake patterns, and the consequences of altered sleep and wake patterns in young athletes are discussed. Scheduling training and competition in the afternoon or evening appears to result in reduced sleep duration due to less time in bed. Evidence suggests that young athletes who obtain less than 8 h of sleep per night are at a higher risk of musculoskeletal injury. An increase in sleep duration above habitual nightly sleep may be associated with favourable performance in young athletes; however, the associations between sleep quality and performance- and health-related outcomes remain unclear.
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Affiliation(s)
- Jordan L Fox
- School of Health, Medical and Applied Sciences, Building 81/1.16, Central Queensland University, Bruce Highway, Rockhampton, QLD, 4702, Australia. .,Human Exercise and Training Laboratory, Central Queensland University, Rockhampton, QLD, Australia.
| | - Aaron T Scanlan
- School of Health, Medical and Applied Sciences, Building 81/1.16, Central Queensland University, Bruce Highway, Rockhampton, QLD, 4702, Australia.,Human Exercise and Training Laboratory, Central Queensland University, Rockhampton, QLD, Australia
| | - Robert Stanton
- School of Health, Medical and Applied Sciences, Building 81/1.16, Central Queensland University, Bruce Highway, Rockhampton, QLD, 4702, Australia.,Appleton Institute for Behavioural Science, Central Queensland University, Wayville, SA, Australia
| | - Charli Sargent
- Appleton Institute for Behavioural Science, Central Queensland University, Wayville, SA, Australia
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Izzicupo P, Di Blasio A, Di Credico A, Ghinassi B, Capranica L, Napolitano G, Di Baldassarre A, Modestini E, Di Pietro M. Objectively Measured Physical Activity Increases Only in Males During a Summer Camp for Obese Children. Front Sports Act Living 2021; 3:624449. [PMID: 33842880 PMCID: PMC8027230 DOI: 10.3389/fspor.2021.624449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 02/04/2021] [Indexed: 01/05/2023] Open
Abstract
Childhood obesity is a major public health challenge. Summer camps for children with obesity represent an alternative setting to improve eating and physical activity habits. Here we evaluated if the participation in the camp improves objectively measured physical activity and sedentary behavior and whether there are differences between male and female participants. Twenty-eight children, 13 males and 15 females (body mass index >97° centile, weight excess >30%, Tanner stage I), agreed to participate in an 8-day camp. During the summer camp, children participated in sports-like games and outdoor activities for at least 3 h a day, and the school-camp staff also provided a theoretical nutritional learning plan. Accelerometry-derived physical activity was measured through the SenseWear Mini Armband during a week at home and during the camp experience. Before camping, the participants were far above the minimum daily values of moderate- to vigorous-intensity physical activity (MVPA) to be considered sufficiently active (≥60 min/day), but male participants were more active than females (MVPA: 186.2 ± 94.2, 111.0 ± 64.7; P = 0.020). Male participants increased their MVPA (234.3 ± 114.8, P = 0.020), whereas females not (111.9 ± 52.9, P = 0.020). No difference emerged for the sedentary behavior either before or during the camp. This study suggests that participation in a summer camp for obese children can determine different responses in physical activity levels, depending on the sex of young participants. Thus, summer camps for obese children should put particular attention on female participants, besides reducing sedentary behavior in both males and females.
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Affiliation(s)
- Pascal Izzicupo
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Andrea Di Blasio
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Andrea Di Credico
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Barbara Ghinassi
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Laura Capranica
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Giorgio Napolitano
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Angela Di Baldassarre
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti, Italy
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A Sleep Analysis of Elite Female Soccer Players During a Competition Week. Int J Sports Physiol Perform 2021; 16:1288-1294. [PMID: 33662927 DOI: 10.1123/ijspp.2020-0706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/01/2020] [Accepted: 10/01/2020] [Indexed: 11/18/2022]
Abstract
PURPOSE (1) To compare the sleep of female players from a professional soccer team to nonathlete controls across an in-season week and (2) to compare the sleep of core and fringe players from the same team on the night after a match to training nights. METHODS Using an observational design, 18 professional female soccer players and 18 female nonathlete controls were monitored for their sleep via wristwatch actigraphy across 1 week. Independent-sample t tests and Mann-Whitney U tests were performed to compare sleep between groups, while an analysis of variance compared sleep on training nights to the night after a match. RESULTS Soccer players had significantly greater sleep duration than nonathlete controls (+38 min; P = .009; d: 0.92), which may have resulted from an earlier bedtime (-00:31 h:min; P = .047; d: 0.70). The soccer players also had less intraindividual variation in bedtime than nonathletes (-00:08 h:min; P = .023; r: .38). Despite this, sleep-onset latency was significantly longer among soccer players (+8 min; P = .032; d: 0.78). On the night after a match, sleep duration of core players was significantly lower than on training nights (-49 min; P = .010; d: 0.77). In fringe players, there was no significant difference between nights for any sleep characteristic. CONCLUSIONS During the in-season period, sleep duration of professional female soccer players is greater than nonathlete controls. However, the night after a match challenges the sleep of players with more match involvement and warrants priority of sleep hygiene strategies.
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Singh M, Bird S, Charest J, Huyghe T, Calleja-Gonzalez J. Urgent wake up call for the National Basketball Association. J Clin Sleep Med 2021; 17:243-248. [PMID: 33112229 DOI: 10.5664/jcsm.8938] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
NONE Frequent air travel and the condensed game schedule typical of a National Basketball Association (NBA) team during the season, often results in accompanying sleep disturbances related to sleep length, sleep quality, and sleep timing (with highly harmful impacts on health, both physical and mental). These issues are not only problematic for NBA players, but also the coaches, training staff, and management support. In this narrative review, we summarize the detrimental effects that this travel and game schedule could have on NBA team members' sleep, as well as their physical and mental health. Multiple peer-reviewed articles address the role of sleep in athletic performance and health; however, to date, the literature focused on sleep-related issues that are unique to the NBA schedule is scarce. Firstly, this review addresses the impact of the NBA schedule, outlining the number of games and the travel involved (number of flights, the timing of flights, timings of arrival at destination and hotel); we also outline a typical daily NBA travel schedule, providing the reader a glimpse of what this encompasses. Secondly, we provide a brief overview of sleep science and discuss specific applications related to the NBA. Finally, we provide comment on the unique current situation of the NBA "bubble". Based on this review, there appears to be considerable scope for further investigation of the acute and chronic effects of sleep disturbances concerning the NBA travel and game schedule. Sleep science recommendations need to inform practice, target sleep interventions, and personalized protocols designed to enhance sleep health that can be incorporated at the organizational level.
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Affiliation(s)
- Meeta Singh
- Henry Ford Sleep Disorders Center, Detroit, Michigan
| | - Stephen Bird
- School of Health and Wellbeing, University of Southern Queensland, Ipswich, Queensland, Australia
| | - Jonathan Charest
- Centre for Sleep & Human Performance, Calgary, Alberta, Canada.,Department of Psychology, University Laval, Quebec City, Quebec, Canada
| | | | - Julio Calleja-Gonzalez
- Department of Physical Education and Sport, University of the Basque Country, Vitoria, Spain
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Lastella M, Halson SL, Vitale JA, Memon AR, Vincent GE. To Nap or Not to Nap? A Systematic Review Evaluating Napping Behavior in Athletes and the Impact on Various Measures of Athletic Performance. Nat Sci Sleep 2021; 13:841-862. [PMID: 34194254 PMCID: PMC8238550 DOI: 10.2147/nss.s315556] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 05/22/2021] [Indexed: 12/13/2022] Open
Abstract
PURPOSE The objective of this systematic review was to 1) determine how studies evaluated napping behavior in athletes (frequency, duration, timing and measurement); 2) explore how napping impacted physical performance, cognitive performance, perceptual measures (eg, fatigue, muscle soreness, sleepiness and alertness), psychological state and night-time sleep in athletes. METHODS Five bibliographic databases were searched from database inception to 11 August 2020. Observational and experimental studies comprising able-bodied athletes (mean age ≥12 years), published in English, in peer-reviewed journal papers were included. The Downs and Black Quality Assessment Checklist was used for quality appraisal. RESULTS Thirty-seven studies were identified of moderate quality. Most studies did not include consistent information regarding nap frequency, duration, and timing. Napping may be beneficial for a range of outcomes that benefit athletes (eg, physical and cognitive performance, perceptual measures, psychological state and night-time sleep). In addition, napping presents athletes with the opportunity to supplement their night-time sleep without compromising sleep quality. CONCLUSION Athletes may consider napping between 20 to 90 min in duration and between 13:00 and 16:00 hours. Finally, athletes should allow 30 min to reduce sleep inertia prior to training or competition to obtain better performance outcomes. Future studies should include comprehensive recordings of nap duration and quality, and consider using sleep over a 24 hour period (daytime naps and night-time sleep period), specifically using objective methods of sleep assessment (eg, polysomnography/actigraphy).
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Affiliation(s)
- Michele Lastella
- Appleton Institute for Behavioural Science, Central Queensland University, Adelaide, Australia
| | - Shona L Halson
- School of Behavioural and Health Sciences, Australian Catholic University, Brisbane, Australia
| | - Jacopo A Vitale
- Laboratory of Movement and Sport Science, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Aamir R Memon
- Institute of Physiotherapy & Rehabilitation Sciences, Peoples University of Medical & Health Sciences for Women, Nawabshah, Shaheed Benazirabad, Pakistan
| | - Grace E Vincent
- Appleton Institute for Behavioural Science, Central Queensland University, Adelaide, Australia
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Izzicupo P, Di Baldassarre A, Ghinassi B, Reichert FF, Kokubun E, Nakamura FY. Can Off-Training Physical Behaviors Influence Recovery in Athletes? A Scoping Review. Front Physiol 2019; 10:448. [PMID: 31114502 PMCID: PMC6503646 DOI: 10.3389/fphys.2019.00448] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 04/01/2019] [Indexed: 11/30/2022] Open
Abstract
Recently, the attention on recovery in sport increased enormously although there is lack of scientific evidence on the role of lifestyle in terms of movement [i.e., physical behaviors (PBs)], apart from sleep. Few studies assessed physical activity (PA) and sedentary behavior (SB) in athletes. The aims of this scoping review were to answer to the following scientific questions: (1) How active/inactive are competitive athletes out of training? (2) Do off-training PBs affect recovery, performance, and health? (3) What strategies can be implemented to improve recovery using off-training PBs, apart from sleep? From 1,116 potentially relevant articles, nine were eligible for inclusion in this review. The main issues identified were related to the heterogeneity concerning the types of sports, age category, gender, competitive level, sample size, and instruments/devices adopted, the paucity of studies investigating the effects of PBs while awake on recovery, and the lack of experimental designs manipulating PBs while awake to accelerate recovery. Furthermore, PA and SB domains were rarely investigated, while no research articles focused on the combined effect of 24-h PBs. Eight out of nine studies measured PA, seven SB, and two included sleep. Three studies included training practice into PA measurement by the means of accelerometry. Overall, almost the totality of the athletes achieved recommended PA levels although they sustained prolonged SB. In conclusion, more descriptive researches are needed in different athletic populations and settings. Furthermore, experimental designs aimed at investigating the effects of PBs manipulation on recovery and the putative mechanisms are encouraged.
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Affiliation(s)
- Pascal Izzicupo
- Department of Medicine and Aging Sciences, G. d'Annunzio University of Chieti and Pescara, Chieti, Italy
| | - Angela Di Baldassarre
- Department of Medicine and Aging Sciences, G. d'Annunzio University of Chieti and Pescara, Chieti, Italy
| | - Barbara Ghinassi
- Department of Medicine and Aging Sciences, G. d'Annunzio University of Chieti and Pescara, Chieti, Italy
| | | | - Eduardo Kokubun
- Department of Physical Education, São Paulo State University (UNESP), Rio Claro, Brazil
| | - Fábio Yuzo Nakamura
- Department of Medicine and Aging Sciences, G. d'Annunzio University of Chieti and Pescara, Chieti, Italy.,College of Healthcare Sciences, James Cook University, Townsville, QLD, Australia.,Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
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