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Romagnoli R, Filipas L, Piacentini MF. Can mental fatigue affect perception of barbell velocity in resistance training? Eur J Sport Sci 2024; 24:732-739. [PMID: 38874957 DOI: 10.1002/ejsc.12105] [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: 02/24/2023] [Revised: 01/26/2024] [Accepted: 03/17/2024] [Indexed: 06/15/2024]
Abstract
Perception of Velocity (PV) is the ability to estimate single repetition velocity during resistance training (RT) exercises. The main purpose of the study was to evaluate the effects of Mental Fatigue (MF) on the accuracy of barbell PV. The secondary aims were to evaluate whether MF affected RT performance and ratings of perceived exertion (RPE; OMNI-RES) in the back squat. Twenty-four (14 Females, 10 Males) resistance-trained participants underwent 2 familiarization sessions and 1RM test for the back squat. In two separate sessions, PV was tested for light, medium, and heavy loads in 2 conditions in random order: at rest (REST) and in MF condition (POST-MF) induced by previous incongruent Stroop color-word task. MF and Motivation were assessed through visual analog scales (VAS; 0-100) before and after the Stroop task. For each load subjects performed 2 repetitions and reported the RPE value. Mean propulsive velocity (Vr) of the barbell was recorded with a linear encoder, while the perceived velocity (Vp) of the subjects was self-reported using the Squat-PV scale. The PV accuracy was calculated through the delta score (ds: Vp-Vr). Following the Stroop task MF increased significantly (p < 0.001; F (1, 23) = 52.572), while motivation decreased (p < 0.05; F (1, 23) = 7.401). Ds, Vr, and RPE did not show significant differences between conditions (p > 0.05) for the three loads analyzed. MF induced by previous demanding cognitive task did not affect PV accuracy. Furthermore, subjects maintained unchanged both RT performance and RPE values associated with each load, even when mentally fatigued.
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Affiliation(s)
- Ruggero Romagnoli
- Department of Human Movement and Health Sciences, University of Rome "Foro Italico", Rome, Italy
- Italian Weightlifting Federation 'FIPE', Rome, Italy
| | - Luca Filipas
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan, Italy
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Hafezi S, Doustan M, Saemi E. The Effect of Brain Anodal and Cathodal Transcranial Direct Current Stimulation on Psychological Refractory Period at Different Stimulus-Onset Asynchrony in Non-Fatigue and Mental Fatigue Conditions. Brain Sci 2024; 14:477. [PMID: 38790455 PMCID: PMC11118837 DOI: 10.3390/brainsci14050477] [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: 04/08/2024] [Revised: 05/04/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
The psychological refractory period (PRP) effect occurs when two stimuli that require separate responses are presented sequentially, particularly with a short and variable time interval between them. Fatigue is a suboptimal psycho-physiological state that leads to changes in strategies. In recent years, numerous studies have investigated the effects of transcranial direct current stimulation (tDCS) on motor control. The present study aimed to investigate the effects of two tDCS methods, anodal and cathodal, on PRP in ten different conditions of stimulus-onset asynchronies (SOAs) under non-fatigue and mental fatigue conditions. The participants involved 39 male university students aged 19 to 25 years. In the pre-test, they were assessed using the PRP measurement tool under both non-fatigue and mental fatigue conditions. The mental fatigue was induced by a 30-min Stroop task. The test consisted of two stimuli with different SOAs (50, 75, 100, 150, 300, 400, 600, 900, 1200, and 1500 ms). The first was a visual stimulus with three choices (letters A, B, and C). After a random SOA, the second stimulus, a visual stimulus with three choices (colors red, yellow, and blue), was presented. Subsequently, participants were randomly assigned to the anodal, cathodal, and sham stimulation groups and underwent four consecutive sessions of tDCS stimulation. In the anodal and cathodal stimulation groups, 20 min of tDCS stimulation were applied to the PLPFC area in each session, while in the sham group, the stimulation was artificially applied. All participants were assessed using the same measurement tools as in the pre-test phase, in a post-test phase one day after the last stimulation session, and in a follow-up phase four days after that. Inferential statistics include mixed ANOVA, one-way ANOVA, independent, and dependent t-tests. The findings indicated that the response time to the second stimulus was longer at lower SOAs. However, there was no significant difference between the groups in this regard. Additionally, there was no significant difference in response time to the second stimulus between the fatigue and non-fatigue conditions, or between the groups. Therefore, tDCS had no significant effect. There was a significant difference between mental fatigue and non-fatigue conditions in the psychological refractory period. Moreover, at lower SOAs, the PRP was longer than at higher SOAs. In conditions of fatigue, the active stimulation groups (anodal and cathodal) performed better than the sham stimulation group at higher SOAs. Considering the difference in response to both stimuli at different SOAs, some central aspects of the response can be simultaneously parallel. Fatigue also affects parallel processing. This study supports the response integration phenomenon in PRP, which predicts that there will be an increase in response time to the first stimulus as the interval between the presentation of the two stimuli increases. This finding contradicts the bottleneck model. In this study, the effectiveness of cathodal and anodal tDCS on response time to the second stimulus and PRP was found to be very small.
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Affiliation(s)
| | - Mohammadreza Doustan
- Department of Motor Behavior and Sport Psychology, Faculty of Sport Sciences, Shahid Chamran University of Ahvaz, Ahvaz 6135783151, Iran; (S.H.); (E.S.)
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Pompeo A, Afonso J, Cirillo ELR, Costa JA, Vilaça-Alves J, Garrido N, González-Víllora S, Williams AM, Casanova F. Impact of temperature on physical and cognitive performance in elite female football players during intermittent exercise. Scand J Med Sci Sports 2024; 34:e14646. [PMID: 38700046 DOI: 10.1111/sms.14646] [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: 01/22/2024] [Revised: 03/22/2024] [Accepted: 04/22/2024] [Indexed: 05/05/2024]
Abstract
There is limited research on female football players, especially related to their physical and cognitive performance under different climactic conditions. We analyzed the impact of a hot environmental temperature on physical performance and anticipation in elite female football players during a fatigue-inducing intermittent protocol. Elite female players (n = 21) performed the countermovement jump (CMJ) and responded to filmed sequences of offensive play under two distinct environmental temperatures (i.e., mild environment temperature- 20°C and 30% rh versus hot environment temperature- 38°C and 80% rh), interspersed by 1-week interval. Linear mixed models were used. CMJ performance declined following the intermittent protocol on both temperature conditions (p < 0.05). Moreover, there were significant main effects for protocol on CMJ speed (m/s) (p = 0.001; ηp 2 = 0.12), CMJ power (p = 0.002; ηp 2 = 0.11), and CMJ Heightmax (p = 0.002; ηp 2 = 0.12). After performing the intermittent protocol, exposure to a hot temperature caused a greater decline in anticipation accuracy (mild temperature = 64.41% vs. hot temperature = 53.44%; p < 0.001). Our study shows impaired performance in elite female football players following an intermittent protocol under hot compared with mild environmental conditions. We report decreased performance in both CMJ and anticipation performance under hotter conditions. The results reveal that exposure to hot temperatures had a negative effect on the accuracy of their anticipatory behaviors. We consider the implication of the work for research and training interventions.
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Affiliation(s)
- Alberto Pompeo
- Centro de Investigação em Desporto, Educação Física, Exercício e Saúde (CIDEFES), Lusófona University, Lisbon, Portugal
| | - José Afonso
- Centre for Research, Education, Innovation and Intervention in Sport (CIFI2D), Faculty of Sport of the University of Porto, Porto, Portugal
| | - Everton Luis Rodrigues Cirillo
- Centro de Investigação em Desporto, Educação Física, Exercício e Saúde (CIDEFES), Lusófona University, Lisbon, Portugal
- State University of Londrina (UEL)/Sports Science Department, Londrina, Brazil
| | - Júlio A Costa
- Portugal Football School, Portuguese Football Federation, Oeiras, Portugal
| | - José Vilaça-Alves
- Department of Sport-Sciences, Exercise and Health, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Research Center in Sports, Health, and Human Development (CIDESD), Vila Real, Portugal
| | - Nuno Garrido
- Department of Sport-Sciences, Exercise and Health, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Research Center in Sports, Health, and Human Development (CIDESD), Vila Real, Portugal
| | - Sixto González-Víllora
- Sport and Physical Activity Education Research Group, Faculty of Education, University of Castilla-La Mancha, Albacete, Spain
| | - Andrew Mark Williams
- Department of Healthspan, Resilience, and Performance Group, Institute for Human and Machine Cognition, Pensacola, Florida, USA
| | - Filipe Casanova
- Centro de Investigação em Desporto, Educação Física, Exercício e Saúde (CIDEFES), Lusófona University, Lisbon, Portugal
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Hassan EK, Jones AM, Buckingham G. A novel protocol to induce mental fatigue. Behav Res Methods 2024; 56:3995-4008. [PMID: 37537491 PMCID: PMC11133042 DOI: 10.3758/s13428-023-02191-5] [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] [Accepted: 07/03/2023] [Indexed: 08/05/2023]
Abstract
Mental fatigue is a commonplace human experience which is the focus of a growing body of research. Whilst researchers in numerous disciplines have attempted to uncover the origins, nature, and effects of mental fatigue, the literature is marked by many contradictory findings. We identified two major methodological problems for mental fatigue research. First, researchers rarely use objective measures of mental fatigue. Instead, they rely heavily on subjective reports as evidence that mental fatigue has been induced in participants. We aimed to develop a task which led to not only a subjective increase in mental fatigue, but a corresponding performance decrement in the mentally fatiguing task as an objective measure. Secondly, current mental fatigue paradigms have low ecological validity - in most prior studies participants have been fatigued with a single repetitive task such as the n-back or Stroop. To move towards a more ecologically valid paradigm, our participants undertook a battery of diverse cognitive tasks designed to challenge different aspects of executive function. The AX-CPT, n-back, mental rotation, and visual search tasks were chosen to challenge response inhibition, working memory, spatial reasoning, and attention. We report results from 45 participants aged 19 to 63 years who completed a two-hour battery comprising four different cognitive tasks. Subjective fatigue ratings and task performance were measured at the beginning and end of the battery. Our novel method resulted in an increase in subjective ratings of fatigue (p < 0.001) and a reduction in task performance (p = 0.008). Future research into mental fatigue may benefit from using this task battery.
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Affiliation(s)
- E K Hassan
- Public Health and Sport Sciences, University of Exeter, St Luke's Campus, Heavitree Road, Exeter, EX1 2LT, UK.
| | - A M Jones
- Public Health and Sport Sciences, University of Exeter, St Luke's Campus, Heavitree Road, Exeter, EX1 2LT, UK
| | - G Buckingham
- Public Health and Sport Sciences, University of Exeter, St Luke's Campus, Heavitree Road, Exeter, EX1 2LT, UK
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Peters KJ, Maslovat D, Carlsen AN. Visual perceptual processing is unaffected by cognitive fatigue. Conscious Cogn 2024; 119:103666. [PMID: 38387139 DOI: 10.1016/j.concog.2024.103666] [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: 08/22/2023] [Revised: 12/20/2023] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
Cognitive fatigue (CF) can lead to an increase in the latency of simple reaction time, although the processes involved in this delay are unknown. One potential explanation is that a longer time may be required for sensory processing of relevant stimuli. To investigate this possibility, the current study used a visual inspection time task to measure perceptual processing speed before and after a CF (math and memory) or non-fatiguing (documentary film) intervention. Subjective fatigue and simple reaction time significantly increased following the CF, but not the non-fatiguing intervention, confirming that CF was induced. Conversely, there was no effect of CF on inspection time task performance. It was therefore concluded that the speed of perceptual processing is not significantly impacted by CF, and thus is unlikely to underlie CF-related reaction time increases. Instead, increases in simple reaction time latency in CF may be due to delays in response preparation or initiation.
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Affiliation(s)
- Kathleen J Peters
- School of Human Kinetics, University of Ottawa, 125 University Private, Ottawa, ON, Canada.
| | - Dana Maslovat
- School of Human Kinetics, University of Ottawa, 125 University Private, Ottawa, ON, Canada.
| | - Anthony N Carlsen
- School of Human Kinetics, University of Ottawa, 125 University Private, Ottawa, ON, Canada.
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Filipas L, Rossi C, Codella R, Bonato M. Mental Fatigue Impairs Second Serve Accuracy in Tennis Players. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2024; 95:190-196. [PMID: 37036414 DOI: 10.1080/02701367.2023.2174488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 01/25/2023] [Indexed: 06/19/2023]
Abstract
Purpose: The aim of this 2-week randomized, counterbalance and crossover study was to investigate the effect of acute mental fatigue (MF) on tennis serve performance and accuracy in tennis players. Methods: Ten male tennis players (18 ± 4 years, 1.80 ± 0.08 m; 71 ± 13 kg) were randomized to either the MF group (N = 5) that underwent an acute MF protocol or to a control (CON) group (N = 5). The MF condition consisted in a 30-min modified Stroop color word task performed before on-court serve speed test. A visual analogue scale (VAS) was used to assess the perceptions of MF and motivation toward the upcoming technical tests. Results: Reduction over baseline score of Stroop test was noted in accuracy (N < .001), but not in reaction time (N = .968) in the MF group. Increments in perceived workload were detected (N < .001) in MF group compared to CON. No differences for first and second serve speed from deuce and advantage side were observed. Increment of percentage of failed second serves from the deuce side (N = .043) in MF were detected. Conclusions: An acute MF protocol reduced tennis serve accuracy from deuce side in male tennis players. Players should avoid cognitive efforts before training sessions and matches to prevent negative effects of their technical performance.
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Affiliation(s)
- Luca Filipas
- Università degli Studi di Milano
- IRCCS MultiMedica
| | | | | | - Matteo Bonato
- Università degli Studi di Milano
- IRCCS Istituto Ortopedico Galeazzi
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Sun H, Geok Soh K, Mohammadi A, Toumi Z. The counteractive effects of interventions addressing mental fatigue on sport-specific performance among athletes: A systematic review with a meta-analysis. J Sports Sci 2024:1-13. [PMID: 38368626 DOI: 10.1080/02640414.2024.2317633] [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: 03/14/2023] [Accepted: 02/02/2024] [Indexed: 02/20/2024]
Abstract
The deleterious consequences of mental fatigue (MF) on athletes in diverse sporting domains have been subject to extensive inquiry. However, the efficacy of interventions to counteract the effects of MF remains largely elusive. This review aims to evaluate the effects of counteractive interventions on the sport-specific performance of mentally fatigued athletes. Moreover, synthesizes the current evidence on which sports effectively counter the detrimental effects of MF with interventions, highlighting potential avenues for upcoming research. A systematic search was executed via Web of Science, Scopus, PubMed, and EBSCOhost, in addition to Google Scholar and references for grey literature. A meta-analysis was executed to compute effect sizes for different interventions with 13 qualified papers. Interventions include transcranial direct current stimulation, person-fit, mindfulness, glucose supplementation, caffeine mouth rinsing, and nature exposure showed potential to mitigate the detrimental effects on sport-specific performance, particularly in shooting accuracy (ES = 0.591; p = 0.001), decision-making accuracy (ES = 0.553; p = 0.006), and reaction time (ES = -0.871; p < 0.001), however, not in completion time (ES = -0.302; p = 0.182). This review underscores the unique roles of self-regulatory resources and directed attention. Nonetheless, a cautious interpretation of the findings is warranted given the paucity of investigations involving potential interventions in numerous other sports, such as volleyball, Australian football, cricket, and boxing.
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Affiliation(s)
- He Sun
- School of Physical Education, Henan University, Kaifeng, Henan Province, China
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Seri Kembangan, Selangor, Malaysia
| | - Alireza Mohammadi
- Faculty of Business Management, City University Malaysia, Petaling Jaya, Selangor, Malaysia
| | - Zakaria Toumi
- School of Psychology, Northeast Normal University, Changchun, China
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Sun H, Soh KG, Mohammadi A, Toumi Z, Zhang L, Ding C, Gao X, Tian J. Counteracting mental fatigue for athletes: a systematic review of the interventions. BMC Psychol 2024; 12:67. [PMID: 38336843 PMCID: PMC10854164 DOI: 10.1186/s40359-023-01476-w] [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: 05/05/2023] [Accepted: 11/30/2023] [Indexed: 02/12/2024] Open
Abstract
The deleterious effects of mental fatigue (MF) on athletes have been carefully studied in various sports, such as soccer, badminton, and swimming. Even though many researchers have sought ways to ameliorate the negative impact of MF, there is still a lack of studies that review the interventions used to counteract MF among athletes. This review aims to report the current evidence exploring the effects of interventions on MF and sport-specific performance, including sport-specific motor performance and perceptual-cognitive skills. Web of Science, Scopus, PubMed, and SPORTDicus (EBSCOhost) were combed through to find relevant publications. Additionally, the references and Google Scholar were searched for any grey literature. For the current review, we included only randomized controlled trials that involved athletes, a primary task to induce MF, interventions to counter MF with comparable protocols, and the outcomes of sport-specific motor performance and perceptual-cognitive skill. The selection criteria resulted in the inclusion of 10 articles. The manipulations of autonomous self-control exertion, person-fit, nature exposure, mindfulness, and transactional direct current stimulation showed that positive interventions counteract MF and improve sport-specific performance in different domains, including strength, speed, skill, stamina, and perceptual-cognitive skills. The selected interventions could significantly counteract MF and improve subsequent sport-specific performance. Moreover, self-regulation and attention resources showed the importance of the potential mechanisms behind the relevant interventions.
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Affiliation(s)
- He Sun
- School of Physical Education, Henan University, Kaifeng, China
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Alireza Mohammadi
- Faculty of Business Management, City University Malaysia, Selangor, Malaysia
| | - Zakaria Toumi
- School of Psychology, Northeast Normal University, Changchun, China
| | - Lingling Zhang
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- The National Football Academy, Shandong Sport University, Jinan, China
| | - Cong Ding
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Xiaojuan Gao
- School of Physical Education, Henan University, Kaifeng, China
| | - Jian Tian
- School of Physical Education, Henan University, Kaifeng, China.
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Guimarães RDS, García-Calvo T, Raya-González J, Ponce-Bordón JC, Fatela P, Lobo-Triviño D. Effects of Contextual Variables on Match Load in a Professional Soccer Team Attending to the Different Season Periods. SENSORS (BASEL, SWITZERLAND) 2024; 24:679. [PMID: 38276372 PMCID: PMC10820192 DOI: 10.3390/s24020679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/11/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024]
Abstract
This study aimed to analyze the effects of contextual variables (i.e., match location and match outcome) and season periods on match load (i.e., internal and external load) in professional Brazilian soccer players. Thirty-six professional players from the same soccer team participated in this study. The season was split into four phases: matches 1-16 (i.e., Phase 1 = P1); matches 17-32 (i.e., Phase 2 = P2); matches 33-48, (i.e., Phase 3 = P3); matches 49-65 (i.e., Phase 4 = P4). Considering match outcome, when the team wins, Cognitive load, Emotional load, and Affective load were significantly higher in away vs. home matches (p < 0.05). Considering season phases, in P3, Mental Fatigue was significantly higher in drawing than in losing matches (p < 0.05). Additionally, considering the match outcome, when the team lost, Total Distance (TD)/min and TD > 19 km·h-1/min were significantly lower in P1 than P2 (p < 0.001), P3 (p < 0.001), and P4 (p < 0.001). These results suggest to strength and conditioning coaches the need to consider the outcome and location of the previous game when planning the week, as well as the phase of the season they are in to reduce fatigue and injury risk.
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Affiliation(s)
- Rodrigo dos Santos Guimarães
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad S/N, 10003 Caceres, Spain; (R.d.S.G.); (J.R.-G.); (J.C.P.-B.); (D.L.-T.)
| | - Tomás García-Calvo
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad S/N, 10003 Caceres, Spain; (R.d.S.G.); (J.R.-G.); (J.C.P.-B.); (D.L.-T.)
| | - Javier Raya-González
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad S/N, 10003 Caceres, Spain; (R.d.S.G.); (J.R.-G.); (J.C.P.-B.); (D.L.-T.)
| | - José C. Ponce-Bordón
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad S/N, 10003 Caceres, Spain; (R.d.S.G.); (J.R.-G.); (J.C.P.-B.); (D.L.-T.)
| | - Pedro Fatela
- Faculty of Human Kinetics, University of Lisbon, Estr. da Costa, 1495-751 Cruz Quebrada, Portugal;
| | - David Lobo-Triviño
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad S/N, 10003 Caceres, Spain; (R.d.S.G.); (J.R.-G.); (J.C.P.-B.); (D.L.-T.)
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Carron MA, Scanlan AT, Power CJ, Doering TM. What Tests are Used to Assess the Physical Qualities of Male, Adolescent Rugby League Players? A Systematic Review of Testing Protocols and Reported Data Across Adolescent Age Groups. SPORTS MEDICINE - OPEN 2023; 9:106. [PMID: 37947891 PMCID: PMC10638136 DOI: 10.1186/s40798-023-00650-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 10/15/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Understanding the physical qualities of male, adolescent rugby league players across age groups is essential for practitioners to manage long-term player development. However, there are many testing options available to assess these qualities, and differences in tests and testing protocols can profoundly influence the data obtained. OBJECTIVES The aims of this systematic review were to: (1) identify the most frequently used tests to assess key physical qualities in male, adolescent rugby league players (12-19 years of age); (2) examine the testing protocols adopted in studies using these tests; and (3) synthesise the available data from studies using the most frequently used tests according to age group. METHODS A systematic search of five databases was conducted. For inclusion, studies were required to: (1) be original research that contained original data published in a peer-reviewed journal; (2) report data specifically for male, adolescent rugby league players; (3) report the age for the recruited participants to be between 12 and 19 years; (4) report data for any anthropometric quality and one other physical quality and identify the test(s) used to assess these qualities; and (5) be published in English with full-text availability. Weighted means and standard deviations were calculated for each physical quality for each age group arranged in 1-year intervals (i.e., 12, 13, 14, 15, 16, 17 and 18 years) across studies. RESULTS 37 studies were included in this systematic review. The most frequently used tests to assess anthropometric qualities were body mass, standing height, and sum of four skinfold sites. The most frequently used tests to assess other physical qualities were the 10-m sprint (linear speed), 505 Agility Test (change-of-direction speed), Multistage Fitness Test (aerobic capacity), bench press and back squat one-repetition maximum tests (muscular strength), and medicine ball throw (muscular power). Weighted means calculated across studies generally demonstrated improvements in player qualities across subsequent age groups, except for skinfold thickness and aerobic capacity. However, weighted means could not be calculated for the countermovement jump. CONCLUSION Our review identifies the most frequently used tests, but highlights variability in the testing protocols adopted. If these tests are used in future practice, we provide recommended protocols in accordance with industry standards for most tests. Finally, we provide age-specific references for frequently used tests that were implemented with consistent protocols. Clinical Trial Registration This study was conducted in accordance with the Preferred Reporting Items of Systematic Review and Meta-analysis guidelines and was registered with PROSPERO (ID: CRD42021267795).
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Affiliation(s)
- Michael A Carron
- School of Health, Medical and Applied Sciences, Central Queensland University, Building 81, Bruce Highway, Rockhampton, QLD, 4702, Australia.
| | - Aaron T Scanlan
- School of Health, Medical and Applied Sciences, Central Queensland University, Building 81, Bruce Highway, Rockhampton, QLD, 4702, Australia
- Human Exercise and Training Laboratory, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Australia
| | - Cody J Power
- School of Health, Medical and Applied Sciences, Central Queensland University, Building 81, Bruce Highway, Rockhampton, QLD, 4702, Australia
- Human Exercise and Training Laboratory, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Australia
| | - Thomas M Doering
- School of Health, Medical and Applied Sciences, Central Queensland University, Building 81, Bruce Highway, Rockhampton, QLD, 4702, Australia
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Lam HKN, Sproule J, Turner AP, Phillips SM. The impact of sprint, middle-distance, and long-distance orienteering races on perceived mental fatigue in national level orienteers. J Sports Sci 2023; 41:1423-1436. [PMID: 37885048 DOI: 10.1080/02640414.2023.2273097] [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: 03/27/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023]
Abstract
Experiencing mental fatigue (MF) before an orienteering race can lead to a slower completion time. This study aimed to explore the changes in perceived MF, mood and other psychological responses during an orienteering competition. Sixteen national level orienteering athletes (20.8 ± 4.9 years) provided informed consent and completed the online surveys, before and immediately after each race, and 24- and 48-hours post competition (48POST). This study measured MF, physical fatigue, stress, tiredness and motivation using 0-100 Visual Analogue Scale, and the mood was assessed using The Brunel Mood Scale (BRUMS). A moderate to large increase in MF (ES = 0.93 [0.54 to 1.31]), BRUMS fatigue (ES = 0.61 [0.3 to 0.92]), and PF (ES = 1.21 [0.81 to 1.61]) was reported following orienteering races. A small increase in tiredness and BRUMS confusion, and a small decrease in motivation, stress and BRUMS vigour was also reported. There was a delay in recovering from the MF elicited by competition, with a small increase in MF (ES = 0.54 [0.08 to 1.15]) at 48POST compared to the pre-competition value. This study found that orienteers experience MF during competition and have a delayed recovery that can last up to two days after the competition.
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Affiliation(s)
- Hui Kwan Nicholas Lam
- Human Performance Science Research Group, The University of Edinburgh, Edinburgh, UK
| | - John Sproule
- Human Performance Science Research Group, The University of Edinburgh, Edinburgh, UK
| | - Anthony P Turner
- Human Performance Science Research Group, The University of Edinburgh, Edinburgh, UK
| | - Shaun M Phillips
- Human Performance Science Research Group, The University of Edinburgh, Edinburgh, UK
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12
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Daub BD, McLean BD, Heishman AD, Peak KM, Coutts AJ. Impacts of mental fatigue and sport specific film sessions on basketball shooting tasks. Eur J Sport Sci 2023; 23:1500-1508. [PMID: 36584309 DOI: 10.1080/17461391.2022.2161421] [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] [Indexed: 12/31/2022]
Abstract
PURPOSE The aim of this investigation was to examine the impact of mental fatigue on basketball specific shooting performance, utilising the newly developed basketball Standardized Shooting Task (SST). METHODS Fifteen male elite NCAA Division 1 collegiate basketball players (Age 20.2 ± 1.2 y, height 199.3 ± 7.1 cm, body mass 93.1 ± 8.6 kg) volunteered to participate in a randomised, counterbalanced crossover design undergoing three conditions (Control, Stroop, and Film). The task, performed on three consecutive days, was comprised of 60 free throw attempts followed by a 4-minute spot-to-spot shooting. RESULTS Visual Analog Scales revealed significantly higher levels of mental fatigue following the Stroop (54.2 ± 24.5) condition compared to the Control (24.5 ± 16.2) and higher levels of mental effort in the Stroop (61.0 ± 31.3) and Film (49.9 ± 27.7) compared to the Control (14.0 ± 18.5). No significant differences were observed for Motivation among groups (p > 0.05). There was a significant decrease (p = 0.006) in number of shots made in 4-minutes (MAKE4MIN; control = 49.5 ± 10.2, Stroop = 44.0 ± 10.6, and Film = 45.1 ± 11.7) and shots missed in 4-minutes (MISS4MIN; control = 27.3 ± 7.0, Stroop = 30.9 ± 7.1, and Film = 30.9 ± 7.6). No significant differences were detected for any other performance variables. CONCLUSION These data demonstrate that mental fatigue negatively impacts basketball shooting performance in elite collegiate basketball players. We suggest that practitioners and coaches encourage athletes to abstain from cognitively demanding tasks prior to basketball competition.
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Affiliation(s)
- Bryce D Daub
- University of Technology Sydney, School of Sport, Exercise and Rehabilitation, Sydney, Australia
- Department of Athletics, Basketball Strength and Performance, University of Oklahoma, Norman, OK, USA
| | - Blake D McLean
- University of Technology Sydney, School of Sport, Exercise and Rehabilitation, Sydney, Australia
- Oklahoma City Thunder Professional Basketball Club, Human and Player Performance, Oklahoma City, OK, USA
| | - Aaron D Heishman
- Department of Athletics, Basketball Strength and Performance, University of Oklahoma, Norman, OK, USA
- Vegas Golden Knights Professional Hockey Club, Las Vegas, USA
| | - Keldon M Peak
- Department of Athletics, Basketball Strength and Performance, University of Oklahoma, Norman, OK, USA
| | - Aaron J Coutts
- University of Technology Sydney, School of Sport, Exercise and Rehabilitation, Sydney, Australia
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13
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Mariano Y, Martin K, Mara J. Mental fatigue and technical performance in elite rugby league. J Sports Sci 2023:1-12. [PMID: 37384834 DOI: 10.1080/02640414.2023.2228138] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 06/14/2023] [Indexed: 07/01/2023]
Abstract
The aims of this study were to determine the impact of elite rugby league competition on mental fatigue; and to investigate how mental fatigue influenced in-match technical performance. Twenty elite male rugby league players recorded their pre- and post-game subjective mental fatigue and had their technical performance analysed during matches across one competition season. Metrics were created to assess in-match technical performance and described the percentage of positive, neutral, and negative involvements for each player, while accounting for the context and difficulty of each involvement. Self-reported mental fatigue increased from pre-game to post-game (maximum a posteriori estimation [MAP] = 33.1, 95% high-density interval [HDI] = 26.9-39.8), with backs reporting higher changes in mental fatigue than forwards (MAP = 18.0, 95% HDI = 9.7-26.9). Larger increases in mental fatigue from pre-game to post-game were negatively associated with the adjusted percentage of positive involvements metric (MAP = -2.1, 95% HDI = -5.6 to 1.1). Elite rugby league players reported increased mental fatigue following competitive games, with backs reporting a greater increase than forwards. Mental fatigue impacted technical performance, whereby participants had a lower percentage of positive involvements when they reported being more mentally fatigued.
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Affiliation(s)
- Yleia Mariano
- Discipline of Sport and Exercise Science, University of Canberra, Bruce, Australia
| | - Kristy Martin
- Discipline of Sport and Exercise Science, University of Canberra, Bruce, Australia
- Research Institute for Sport and Exercise (UC-RISE), University of Canberra, Bruce, Australia
| | - Jocelyn Mara
- Discipline of Sport and Exercise Science, University of Canberra, Bruce, Australia
- Research Institute for Sport and Exercise (UC-RISE), University of Canberra, Bruce, Australia
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14
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Quagliarotti C, Coloretti V, Dello Stritto E, Cuccurullo S, Acalai J, Lepers R, Fantozzi S, Cortesi M, Piacentini MF. Does Smartphone Use Affect a Subsequent Swimming Training Session? Preliminary Results in Amateur Triathletes. SENSORS (BASEL, SWITZERLAND) 2023; 23:5837. [PMID: 37447687 PMCID: PMC10347285 DOI: 10.3390/s23135837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023]
Abstract
To date, the literature has failed to individuate a clear motivation for the performance decrement after a mental fatigue-inducing task. This study aimed to evaluate biomechanical and perceptual variables during a swimming training session in different mental fatigue states. Seven amateur triathletes watched a documentary, utilized a smartphone, or performed an AX-CPT for 45 min randomly on three different days. After, they performed a 15-min warm-up followed by 6 × 200 m at constant pre-set speed plus one 200 m at maximal effort. The mental fatigue status was assessed by the visual analog scale (VAS) and short-Stroop task results before, post-mental task, and post-swimming session. The biomechanical and motor coordination variables during swimming were assessed using five IMU sensors and video analysis. The heart rate and rate of perceived exertion were monitored during the task. No differences in biomechanical and perceptual variables were found between and within conditions. Higher mental fatigue was found only in the AX-CPT condition at post task by VAS. In this preliminary study, no changes in swimming biomechanics were highlighted by mental fatigue, but the warm-up performed may have counteracted its negative effects. Further studies are recommended.
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Affiliation(s)
- Claudio Quagliarotti
- Department of Movement, Human and Health Sciences, University of Rome ‘Foro Italico’, 00135 Rome, Italy; (C.Q.); (E.D.S.)
| | - Vittorio Coloretti
- Department for Life Quality Studies, University of Bologna, 40126 Bologna, Italy; (V.C.); (M.C.)
| | - Emanuele Dello Stritto
- Department of Movement, Human and Health Sciences, University of Rome ‘Foro Italico’, 00135 Rome, Italy; (C.Q.); (E.D.S.)
| | - Sarah Cuccurullo
- Department of Movement, Human and Health Sciences, University of Rome ‘Foro Italico’, 00135 Rome, Italy; (C.Q.); (E.D.S.)
| | - Jessica Acalai
- Department of Movement, Human and Health Sciences, University of Rome ‘Foro Italico’, 00135 Rome, Italy; (C.Q.); (E.D.S.)
| | - Romuald Lepers
- INSERM UMR 1093-CAPS, UFR des Sciences du Sport, Université de Bourgogne, F-21000 Dijon, France;
| | - Silvia Fantozzi
- Department of Electrical, Electronic and Information Engineering, University of Bologna, 40136 Bologna, Italy;
| | - Matteo Cortesi
- Department for Life Quality Studies, University of Bologna, 40126 Bologna, Italy; (V.C.); (M.C.)
| | - Maria Francesca Piacentini
- Department of Movement, Human and Health Sciences, University of Rome ‘Foro Italico’, 00135 Rome, Italy; (C.Q.); (E.D.S.)
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15
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Zhu J, Zhu Y, Song G. Effect of Probiotic Yogurt Supplementation( Bifidobacterium animalis ssp. lactis BB-12) on Gut Microbiota of Female Taekwondo Athletes and Its Relationship with Exercise-Related Psychological Fatigue. Microorganisms 2023; 11:1403. [PMID: 37374905 DOI: 10.3390/microorganisms11061403] [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: 02/23/2023] [Revised: 03/15/2023] [Accepted: 05/16/2023] [Indexed: 06/29/2023] Open
Abstract
OBJECTIVE The gut microbiota plays a critical role in regulating human health and athletic performance. Probiotic supplementation has been shown to modulate gut microbiota composition and improve exercise performance. This study aimed to investigate the effect of probiotic yogurt supplementation on gut microbiota and its relationship with exercise-related psychological fatigue in female taekwondo athletes. METHODS Twenty female taekwondo athletes were randomly assigned to either a dietary intervention group (DK) or a control group (CK). The athletes' exercise-related psychological fatigue was measured using the Athlete Burnout Questionnaire (ABQ) before and after an 8-week intervention. High-throughput sequencing was used to profile the gut microbiota, and functional prediction of the microbial community was performed. The effect of the dietary intervention on the athletes' exercise-related psychological fatigue clearance rate and its relationship with the gut microbiota were explored. RESULTS (1) The probiotic supplementation of Bifidobacterium animalis ssp. lactis BB-12 for 8 weeks significantly increased the ABQ scores of the DK group compared to the CK group (p < 0.05). (2) The abundances of Bifidobacterium, Bacteroides, Lachnospiraceae, family _Lactobacillaceae, and genus _Lactobacillus were significantly higher in the DK group than in the CK group after probiotic supplementation, while Escherichia coli was significantly lower in the DK group than in the CK group. (3) The ABQa scores were positively correlated with Proteus; ABQb scores were positively correlated with Streptococcus and Enterococcus; and ABQc scores were positively correlated with Klebsiella, Bacteroides, and Streptomyces. (4) The DK group had significantly higher levels of L-arginine biosynthesis I (via L-ornithine), fatty acid biosynthesis and oxidation, and L-isoleucine biosynthesis III pathways compared to the CK group. Tyrosine degradation I (via 2,3-dihydroxyphenylpropionate) was significantly lower in the DK group than in the CK group. CONCLUSIONS Probiotic yogurt supplementation of Bifidobacterium animalis ssp. lactis can promote the clearance of exercise-related psychological fatigue in female taekwondo athletes by upregulating beneficial gut microbiota, inhibiting harmful gut microbiota, and regulating relevant metabolic pathways.
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Affiliation(s)
- Jiang Zhu
- Southwest University Hospital, Chongqing, 400715, China
| | - Yuping Zhu
- College of Physical Education, Southwest University, Chongqing 200715, China
| | - Gang Song
- College of Physical Education, Southwest University, Chongqing 200715, China
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Habay J, Uylenbroeck R, Van Droogenbroeck R, De Wachter J, Proost M, Tassignon B, De Pauw K, Meeusen R, Pattyn N, Van Cutsem J, Roelands B. Interindividual Variability in Mental Fatigue-Related Impairments in Endurance Performance: A Systematic Review and Multiple Meta-regression. SPORTS MEDICINE - OPEN 2023; 9:14. [PMID: 36808018 PMCID: PMC9941412 DOI: 10.1186/s40798-023-00559-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 02/06/2023] [Indexed: 02/22/2023]
Abstract
BACKGROUND The negative effect of mental fatigue (MF) on physical performance has recently been questioned. One reason behind this could lie in the interindividual differences in MF-susceptibility and the individual features influencing them. However, the range of individual differences in mental fatigue-susceptibility is not known, and there is no clear consensus on which individual features could be responsible for these differences. OBJECTIVE To give an overview of interindividual differences in the effects of MF on whole-body endurance performance, and individual features influencing this effect. METHODS The review was registered on the PROSPERO database (CRD42022293242). PubMed, Web of Science, SPORTDiscus and PsycINFO were searched until the 16th of June 2022 for studies detailing the effect of MF on dynamic maximal whole-body endurance performance. Studies needed to include healthy participants, describe at least one individual feature in participant characteristics, and apply at least one manipulation check. The Cochrane crossover risk of bias tool was used to assess risk of bias. The meta-analysis and regression were conducted in R. RESULTS Twenty-eight studies were included, with 23 added to the meta-analysis. Overall risk of bias of the included studies was high, with only three presenting an unclear or low rating. The meta-analysis shows the effect of MF on endurance performance was on average slightly negative (g = - 0.32, [95% CI - 0.46; - 0.18], p < 0.001). The multiple meta-regression showed no significant influences of the included features (i.e. age, sex, body mass index and physical fitness level) on MF-susceptibility. CONCLUSIONS The present review confirmed the negative impact of MF on endurance performance. However, no individual features influencing MF-susceptibility were identified. This can partially be explained by the multiple methodological limitations such as underreporting of participant characteristics, lack of standardization across studies, and the restricted inclusion of potentially relevant variables. Future research should include a rigorous description of multiple different individual features (e.g., performance level, diet, etc.) to further elucidate MF mechanisms.
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Affiliation(s)
- Jelle Habay
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium ,grid.16499.330000 0004 0645 1099Vital Signs and Performance Monitoring Research Unit, LIFE Department, Royal Military Academy, Brussels, Belgium ,grid.434261.60000 0000 8597 7208Research Foundation Flanders (FWO), Brussels, Belgium
| | - Robin Uylenbroeck
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Ruben Van Droogenbroeck
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Jonas De Wachter
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Matthias Proost
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Bruno Tassignon
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium ,grid.8767.e0000 0001 2290 8069BruBotics, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kevin De Pauw
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium ,grid.8767.e0000 0001 2290 8069BruBotics, Vrije Universiteit Brussel, Brussels, Belgium
| | - Romain Meeusen
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium ,grid.8767.e0000 0001 2290 8069BruBotics, Vrije Universiteit Brussel, Brussels, Belgium
| | - Nathalie Pattyn
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium ,grid.16499.330000 0004 0645 1099Vital Signs and Performance Monitoring Research Unit, LIFE Department, Royal Military Academy, Brussels, Belgium
| | - Jeroen Van Cutsem
- grid.8767.e0000 0001 2290 8069Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium ,grid.16499.330000 0004 0645 1099Vital Signs and Performance Monitoring Research Unit, LIFE Department, Royal Military Academy, Brussels, Belgium
| | - Bart Roelands
- Human Physiology and Sports Physiotherapy Research Group, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussels, Belgium. .,BruBotics, Vrije Universiteit Brussel, Brussels, Belgium.
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17
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Dinius CJ, Pocknell CE, Caffrey MP, Roche RAP. Cognitive interventions for memory and psychological well-being in aging and dementias. Front Psychol 2023; 14:1070012. [PMID: 36818134 PMCID: PMC9932670 DOI: 10.3389/fpsyg.2023.1070012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
The human lifespan has expanded drastically in the last few centuries, due to improvements in sanitation, medicine, and nutrition, but with this increase in longevity comes higher rates of cognitive pathology such as mild cognitive impairment (MCI) and dementia; the latter is estimated to reach more than 75 million people by 2030. Pathology risk is related to measures of executive function, lifestyle factors (e.g., education, occupation, and leisure activities), and cognitive reserve. One way of building cognitive reserve may be to structure the environment to encourage lifelong engagement and learning, and since a pharmacological "cure" for dementia remains elusive, non-pharmacological approaches such as physical activity, social engagement, and cognitive stimulation are becoming increasingly essential to preserving and protecting brain health. Here, we describe our recent research into Reminiscence Therapy (RT) to promote cognitive and psychological function in old age and early dementia. We review the Recall Initiative, which involved brain imaging and behavioral indices of memory pre- and post-RT. We also report results from a pilot study-AIM WARM-in which RT was combined with physical activity, specifically walking, for early-stage dementia. Finally, we outline our future directions for tailored reminiscence interventions in combination with other activities (e.g., yoga and meditation) for different groups, namely early Alzheimer's disease, Semantic Dementia, and older individuals in the prison system.
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18
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Zhang D, Lyu B, Wu J, Li W, Zhang K. Effect of boxers' social support on mental fatigue: Chain mediating effects of coach leadership behaviors and psychological resilience. Work 2023; 76:1465-1479. [PMID: 37807793 DOI: 10.3233/wor-220478] [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] [Indexed: 10/10/2023] Open
Abstract
BACKGROUND Athletic fatigue is an inescapable issue in competitive sports. It belongs to a physiological response that is triggered when competitive athletes are trained to a critical point. OBJECTIVE The study aims to explore the relationships involving boxers' social support, mental fatigue, coach leadership behaviors and psychological resilience. METHODS 1050 boxers were selected in several provinces across China and investigated on the basis of the Social Support Questionnaire for Athletes, Mental Fatigue Scale, Psychological Resilience Scale, and Leadership Scale for Sport. RESULTS Boxers' social support was negatively correlated with mental fatigue and psychological resilience, while it was positively correlated with coach leadership behaviors. Apart from direct effects on mental fatigue, other impacts are imposed by boxers' social support via mediating effects such as coach leadership behaviors and psychological resilience. The total effect value was -0.18, the direct effect value was -0.08, and the indirect effect value was -0.12; furthermore, coach leadership behaviors and psychological resilience play a mediating role, accounting for 65.57% of the total. CONCLUSION In order to alleviate the stress from intense competitive training and abate mental fatigue, competitive athletes may be encouraged in subsequent training to seek all-sided social support for social interpersonal relationships. While clarifying the mechanism how the external environment affects individuals, this paper explains the principle of social support on athletes' psychological fatigue and identifies mutual influences between coaches and athletes.
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Affiliation(s)
- Defa Zhang
- Department of Physical Education, Suzhou University, Suzhou, China
| | - Bei Lyu
- School of Economics and Management, Huaibei Normal University, Huaibei, China
- Chinese Graduate School, Panyapiwat Institute of Management, Nonthaburi, Thailand
| | - Jingtao Wu
- Tibetan-Qiang-Yi Corridor Physical Health Promotion Research Center, Leshan Normal University, Leshan, China
| | - Wangze Li
- School of Materials, North China University of Science and Technology, Tangshan, China
| | - Kaiyuan Zhang
- Department of Physical Education, Suzhou University, Suzhou, China
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Yuan R, Sun H, Soh KG, Mohammadi A, Toumi Z, Zhang Z. The effects of mental fatigue on sport-specific motor performance among team sport athletes: A systematic scoping review. Front Psychol 2023; 14:1143618. [PMID: 37113120 PMCID: PMC10128192 DOI: 10.3389/fpsyg.2023.1143618] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/01/2023] [Indexed: 04/29/2023] Open
Abstract
Background The psychobiological state known as mental fatigue (MF) is by engaging in mentally taxing activities for an extended period, which is typically found in team sports, of the high cognitive demand and unpredictable environment. It increases the perception of effort and influences executive functions, impairing sport-specific performance in athletes. However, the consequences of MF on sport-specific motor performance (SSMP) among athletes in team sports remain unclear. Objective This scoping review seeks to find and map research publications that investigate the effect of MF on SSMP in team sports. Methods Web of Science, Scopus, and PubMed were searched as the main databases, and CENTRAL, Psychology, and Behavioral Sciences Collection, SPORTDicus obtained from EBSCOhost, as well as gray literature was searched for relevant literature and Google Scholar. Cognitive tasks before the SSMP exam are the focus of the selected literature on mental exhaustion. Only experiments testing mental and non-mental exhaustion were chosen. Results Twelve studies fulfill the requirement of selection criteria. SSMP in team sports, including soccer, basketball, cricket, and Australian football mainly is examined as physical and technical performance. More specifically, MF significantly influenced physical performance measured as intermittent endurance and total distance (P < 0.05), while data was inclusive when assess in an ecological setting (e.g., small-sided game) (P > 0.05). Technical performance was mainly measured as ball loss, errors in passing and shooting, interception, and successful tackle and showed a dramatic impairment (P < 0.05). The decline of physical activity is relevant with higher level PRE, while decreased technical performance is related to impaired attention resources shown as visual perceptual. Conclusion MF adversely influences SSMP in team sports. The most relevant theory for future study to examine the impacts of MF on team-sport athletes could be the psychological model of exercise and its potential extension on attention resources, rather than the traditional "catastrophe" theory.
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Affiliation(s)
- Rui Yuan
- Physical Education Department, University of Shanghai for Science and Technology, Shanghai, China
| | - He Sun
- School of Physical Education, Zhengzhou University, Zhengzhou, China
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Alireza Mohammadi
- Faculty of Business Management, City University Malaysia, Selangor, Malaysia
| | - Zakaria Toumi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Zhendong Zhang
- School of Physical Education, Zhengzhou University, Zhengzhou, China
- *Correspondence: Zhendong Zhang
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20
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Pitts J, Bhatt T. Effects of mentally induced fatigue on balance control: a systematic review. Exp Brain Res 2023; 241:13-30. [PMID: 36329316 DOI: 10.1007/s00221-022-06464-x] [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: 05/03/2022] [Accepted: 09/07/2022] [Indexed: 11/06/2022]
Abstract
The relationship between cognitive demands and postural control is controversial. Mental fatigue paradigms investigate the attentional requirements of postural control by assessing balance after a prolonged cognitive task. However, a majority of mental fatigue research has focused on cognition and sports performance, leaving balance relatively underexamined. The purpose of this paper was to systematically review the existing literature on mental fatigue and balance control. We conducted a comprehensive search on PubMed and Web of Science databases for studies comparing balance performance pre- to post-mental fatigue or between a mental fatigue and control group. The literature search resulted in ten relevant studies including both volitional (n = 7) and reactive (n = 3) balance measures. Mental fatigue was induced by various cognitive tasks which were completed for 20-90 min prior to balance assessment. Mental fatigue affected both volitional and reactive balance, resulting in increased postural sway, decreased accuracy on volitional tasks, delayed responses to perturbations, and less effective balance recovery responses. These effects could have been mediated by the depletion of attentional resources or impaired sensorimotor perception which delayed appropriate balance-correcting responses. However, the current literature is limited by the number of studies and heterogeneous mental fatigue induction methods. Future studies are needed to confirm these postulations and examine the effects of mental fatigue on different populations and postural tasks. This line of research could be clinically relevant to improve safety in occupational settings where individuals complete extremely long durations of cognitive tasks and for the development of effective fall-assessment and fall-prevention paradigms.
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Affiliation(s)
- Jessica Pitts
- Department of Physical Therapy, University of Illinois at Chicago, 1919 W Taylor Street, Chicago, IL, 60612, USA
| | - Tanvi Bhatt
- Department of Physical Therapy, University of Illinois at Chicago, 1919 W Taylor Street, Chicago, IL, 60612, USA.
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Preventive Medicine via Lifestyle Medicine Implementation Practices Should Consider Individuals' Complex Psychosocial Profile. Healthcare (Basel) 2022; 10:healthcare10122560. [PMID: 36554083 PMCID: PMC9777994 DOI: 10.3390/healthcare10122560] [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: 11/08/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Noncommunicable chronic diseases are associated with lifestyle behaviors. Psychological and social factors may influence the adoption of such behaviors. Being mentally and physically energized or fatigued may influence the intention-behavior gap of healthy lifestyle adoption accordingly. We investigated the associations of age, sex, lifestyle behaviors, mood, and mental and physical energy and fatigue at both the trait and state levels. The participants (N = 670) completed questionnaires assessing their sleep, mood, mental and physical state energy and fatigue, physical activity, mental workload, and diet. The ordinary least squares regression models revealed an overlap between the mental state and trait energy levels for males who consume polyphenols, have a high mental workload, and sleep well. Being younger, having a high stress level, bad sleep habits, and being confused and depressed were associated with high mental fatigue. Physical energy and fatigue shared the same commonalities with the previous results, with greater discrepancies observed between the state and trait indicators compared to that between mental energy and fatigue. Diet and stress management seem to be predictors of high physical energy, and females report higher physical fatigue levels. Health care professionals should consider this psychosocial complex profiling in their differential diagnosis and when one is implementing lifestyle behavioral changes to address the facets of preventive medicine, wellness, and health promotion.
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22
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Finkenzeller T, Burberg T, Kranzinger S, Harbour E, Snyder C, Würth S, Amesberger G. Effects of physical stress in alpine skiing on psychological, physiological, and biomechanical parameters: An individual approach. Front Sports Act Living 2022; 4:971137. [PMID: 36299402 PMCID: PMC9589513 DOI: 10.3389/fspor.2022.971137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/22/2022] [Indexed: 11/05/2022] Open
Abstract
Alpine skiing is an attractive winter sport that often includes mental and physical demands. Since skiing is often done for several hours, fatigue processes occur that might lead to action errors associated with a higher risk of accidents and injuries. The aim of this study was to investigate the timing of changes in subjective, physiological, and biomechanical parameters during a physically demanding, standardized, non-competitive alpine skiing session. A group of 22 experienced male skiers carried out 10 runs, each lasting between 150 and 180 s, at a turn rate of 80 turns per minute with their best skiing technique. Immediately after the run, skiers reported ratings of fatigue, and other affective states. During skiing, breathing pattern and biomechanical data of the ski turns as radial force, turn duration, edge angle symmetry, and a composed motion quality score were recorded. Analyses of variances on skiers showing signs of fatigue (n =16) revealed that only the subjective data changed significantly over time: fatigue and worry increased, vitality and calm decreased. Subsequently, individual change points analyses were computed to localize abrupt distribution or statistical changes in time series data. For some skiers, abrupt changes at certain runs in physiological and/or biomechanical parameters were observed in addition to subjective data. The results show general effects in subjective data, and individual fatigue-related patterns concerning the onset of changes in subjective, physiological, and biomechanical parameters. Individuality of response to fatigue should be considered when studying indicators of fatigue data. Based on the general effects in subjective data, it is concluded that focusing on self-regulation and self-awareness may play a key role, as subjective variables have been shown generally sensitive to the physical stress in alpine skiing. In the future, customized algorithms that indicate the onset of fatigue could be developed to improve alpine skiers' self-awareness and self-regulation, potentially leading to fewer action errors.
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Affiliation(s)
- Thomas Finkenzeller
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria,*Correspondence: Thomas Finkenzeller
| | - Tim Burberg
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria
| | | | - Eric Harbour
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria
| | - Cory Snyder
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria,Red Bull Athlete Performance Center, Thalgau, Austria
| | - Sabine Würth
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria
| | - Günter Amesberger
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria
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Voigt L, Friedrich J, Grove P, Heinrich N, Ittlinger S, Iskra M, Koop L, Michirev A, Sparascio S, Raab M. Advancing judgment and decision-making research in sport psychology by using the body as an informant in embodied choices. ASIAN JOURNAL OF SPORT AND EXERCISE PSYCHOLOGY 2022. [DOI: 10.1016/j.ajsep.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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Hakim H, Khemiri A, Chortane OG, Boukari S, Chortane SG, Bianco A, Marsigliante S, Patti A, Muscella A. Mental Fatigue Effects on the Produced Perception of Effort and Its Impact on Subsequent Physical Performances. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:10973. [PMID: 36078686 PMCID: PMC9517922 DOI: 10.3390/ijerph191710973] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
The purpose of this study was to investigate the relationship between mental fatigue induced by a demanding cognitive task and impaired physical performance in endurance due to a higher perception of effort. A total of 12 healthy adults and volunteers, who had previously practiced endurance activities for 4 to 8 h per week, performed a one-hour cognitive task involving either the process of response inhibition (Stroop task) or not (visualization of a documentary as control task), then 20 min of pedaling on a cycle ergometer at a constant perception of effort while cardio-respiratory and neuromuscular functions were measured. The Stroop task induces subjective feelings of mental fatigue (vigor: 3.92 ± 2.61; subjective workload: 58.61 ± 14.57) compared to the control task (vigor: 5.67 ± 3.26; p = 0.04; subjective workload: 32.5 ± 10.1; p = 0.005). This fatigue did not act on the produced perceived effort, self-imposed, and did not affect the cardio-respiratory or neuromuscular functions during the subsequent physical task whose type was medium-term endurance. Regardless of the mental condition, the intensity of physical effort is better controlled when the participants in physical activity control their perception of effort. Mental fatigue does not affect subsequent physical performance but estimated perceived exertion, which increases with the intensity and duration of the exercise.
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Affiliation(s)
- Hassen Hakim
- Biomechanics and Bioengineering Laboratory (BMBI-UMR CNRS 7338), University of Technology of Compiègne, Centre de Recherches de Royallieu Rue Personne de Roberval, 60200 Compiègne, France;
- Laboratory of Exercise Physiology and Physiopathology: From Integrated to Molecular «Biology, Medicine and Health» (UR12ES06), Faculty of Medicine, University of Sousse Ibn Jazzar Sousse, Sousse 4002, Tunisia;
| | - Aymen Khemiri
- Research Unit (UR17JS01) “Sport Performance, Health & Society”, Higher Institute of Sport and Physical Education of Ksar-Saïd, University of La Manouba, Tunis 2010, Tunisia; (A.K.); (O.G.C.); (S.B.)
| | - Oussema Gaied Chortane
- Research Unit (UR17JS01) “Sport Performance, Health & Society”, Higher Institute of Sport and Physical Education of Ksar-Saïd, University of La Manouba, Tunis 2010, Tunisia; (A.K.); (O.G.C.); (S.B.)
| | - Samia Boukari
- Research Unit (UR17JS01) “Sport Performance, Health & Society”, Higher Institute of Sport and Physical Education of Ksar-Saïd, University of La Manouba, Tunis 2010, Tunisia; (A.K.); (O.G.C.); (S.B.)
| | - Sabri Gaied Chortane
- Laboratory of Exercise Physiology and Physiopathology: From Integrated to Molecular «Biology, Medicine and Health» (UR12ES06), Faculty of Medicine, University of Sousse Ibn Jazzar Sousse, Sousse 4002, Tunisia;
- Research Unit (UR17JS01) “Sport Performance, Health & Society”, Higher Institute of Sport and Physical Education of Ksar-Saïd, University of La Manouba, Tunis 2010, Tunisia; (A.K.); (O.G.C.); (S.B.)
| | - Antonino Bianco
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, 90133 Palermo, Italy; (A.B.); (A.P.)
| | - Santo Marsigliante
- Department of Biological and Environmental Science and Technologies (DiSTeBA), University of Salento, 73100 Lecce, Italy;
| | - Antonino Patti
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, 90133 Palermo, Italy; (A.B.); (A.P.)
| | - Antonella Muscella
- Department of Biological and Environmental Science and Technologies (DiSTeBA), University of Salento, 73100 Lecce, Italy;
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Sun H, Soh KG, Roslan S, Wazir MRWN, Mohammadi A, Ding C, Zhao Z. Nature exposure might be the intervention to improve the self-regulation and skilled performance in mentally fatigue athletes: A narrative review and conceptual framework. Front Psychol 2022; 13:941299. [PMID: 35983203 PMCID: PMC9378859 DOI: 10.3389/fpsyg.2022.941299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background Due to causing inability of self-regulation (ego depletion) and executive functions such as directed attention and visual searching for relevant information (e.g., the ball location and the position of teammates), mental fatigue impairs skilled performance in various sports. On the other hand, natural scenes could improve directed attention, which may considerably benefit visual searching ability and self-regulation. However, nature exposure as a potential intervention to improve skilled performance among mentally fatigued athletes has not been discussed thoroughly. Purpose To propose the potential intervention for the impairment of skilled performance among mentally fatigued athletes and generate a framework for future studies. Methods A narrative review was applied to search broadly across disciplines, retrieving literature from several databases (PubMed, Web of Science, Scopus, and EBSCOhost). Results Thirty-three works of literature including 39 experiments (mental fatigue 15; ego depletion 5; and nature exposure 19) were obtained. Finally, a conceptual framework was built regarding the effect of nature exposure intervention on skilled performance in athletes for future studies. Conclusion Three theories (the psychobiological model of exercise performance, the strength model of self-regulation, and attention restoration theory) could be potentially integrated to be a conceptual framework and explain the mechanism of preventing prior mental exertion (e.g., mental fatigue and ego depletion). Future studies could examine more on the duration of the intervention.
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Affiliation(s)
- He Sun
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou, China
| | - Kim G. Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Samsilah Roslan
- Department of Foundation of Education, Faculty of Education Studies, Universiti Putra Malaysia, Seri Kembangan, Selangor, Malaysia
| | | | - Alireza Mohammadi
- Faculty of Business Management, City University Malaysia, Seri Kembangan, Selangor, Malaysia
| | - Cong Ding
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Zijian Zhao
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou, China
- *Correspondence: Zijian Zhao,
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Sun H, Soh KG, Mohammadi A, Wang X, Bin Z, Zhao Z. Effects of mental fatigue on technical performance in soccer players: A systematic review with a meta-analysis. Front Public Health 2022; 10:922630. [PMID: 35937235 PMCID: PMC9354787 DOI: 10.3389/fpubh.2022.922630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 06/27/2022] [Indexed: 01/09/2023] Open
Abstract
BackgroundMental fatigue largely influences technical performance in soccer, including offensive and defensive skills. However, these effects on technical performance among the soccer players have not yet been aggregated to be assessed systematically.ObjectiveThe purpose of the review was to evaluate the impact of mental fatigue on soccer players' overall technical skills.MethodsDrawing on Web of Science, PubMed, Scopus, and EBSCOhost (CENTRAL and SPORTDicus), an in-depth search was conducted. PICOS established the eligibility criteria to select the studies as follows: (i) population—healthy soccer players; (ii) intervention—involving any mental-fatigue-prompted protocol; (iii) comparison—control conditions (active or passive without inducing mental fatigue); (iv) outcomes—technical performance (offensive and defensive skill); and (v) study design—randomized controlled trials.ResultsA total of eight studies were qualified for inclusion in the systematic literature review. Overall, the results indicate that mental fatigue had significant effects on technical skills, including offensive and defensive skills. Specifically, there were significant effects on errors (ES = 0.977; p < 0.001), number of tackles (ES = −0.739; p = 0.005), and the percentage of successful tackles (ES = −0.628; p = 0.022), while there were no significant effects on the number of passes (ES = 0.240; p = 0.328), the percentage of accurate passing (ES = −0.008; p = 0.985), and the number of successful passes (ES = −0.322; p = 0.217).ConclusionOverall, a significant effect of mental fatigue on the technical performance (e.g., tackles and errors) of soccer players was detected, while no significant effects on passing skills were detected. Future studies may consider investigating technical performance together with other important results (e.g., decision-making skills or internal load).Systematic Review Registrationhttps://inplasy.com/inplasy-2022-2-0008/, Inplasy protocol 202220008.
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Affiliation(s)
- He Sun
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou, China
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Alireza Mohammadi
- Faculty of Business Management, City University Malaysia, Selangor, Malaysia
| | - Xuanji Wang
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Zuchang Bin
- Faculty of Education, Beibu Gulf University, Qinzhou, China
| | - Zijian Zhao
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou, China
- *Correspondence: Zijian Zhao
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Sun H, Soh KG, Roslan S, Norjali Wazir MRW, Liu F, Zhao Z. The Counteractive Effect of Self-Regulation-Based Interventions on Prior Mental Exertion: A Systematic Review of Randomised Controlled Trials. Brain Sci 2022; 12:brainsci12070896. [PMID: 35884703 PMCID: PMC9313235 DOI: 10.3390/brainsci12070896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/29/2022] [Accepted: 07/06/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Many investigations have been performed on the effects of mental exertion that consumes self-regulatory resources and then affects physical and/or cognitive performance later on. However, the effect of manipulating self-regulation and interventions to attenuate this negative effect remains unclear. Moreover, there is continuous controversy regarding the resource model of self-regulation. Objective: We conducted a systematic review to assess the literature on manipulating self-regulation based on four ingredients (standard, monitoring, strength, and motivation) in order to counter mental exertion and improve physical and/or cognitive performance. The results provide more insight into the resource model. Method: A thorough search was conducted to extract the relevant literature from several databases, as well as Google Scholar, and the sources from the references were included as grey literature. A self-regulation intervention compared to a control condition, a physical and/or cognitive task, and a randomised controlled trial were selected. Result: A total of 39 publications were included. Regarding the four components of self-regulation, the interventions could mainly be divided into the following: (i) standard: implementation intervention; (ii) monitoring: biofeedback and time monitoring; (iii) strength: repeated exercise, mindfulness, nature exposure, and recovery strategies; (iv) motivation: autonomy-supportive and monetary incentives. The majority of the interventions led to significant improvement in subsequent self-regulatory performance. In addition, the resource model of self-regulation and attention-restoration theory were the most frequently used theories and supported relevant interventions. Conclusion: In line with the resource model, manipulating the four components of self-regulation can effectively attenuate the negative influence of mental exertion. The conservation proposed in the strength model of self-regulation was supported in the current findings to explain the role of motivation in the self-regulation process. Future studies can focus on attention as the centre of the metaphorical resource in the model.
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Affiliation(s)
- He Sun
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou 450001, China;
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor 43400, Malaysia; (K.G.S.); (M.R.W.N.W.)
| | - Samsilah Roslan
- Department of Foundation of Education, Faculty of Education Studies, Universiti Putra Malaysia, Selangor 43400, Malaysia;
| | - Mohd Rozilee Wazir Norjali Wazir
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor 43400, Malaysia; (K.G.S.); (M.R.W.N.W.)
| | - Fang Liu
- Department of Social Work, Zhongyuan University of Technology, Zhengzhou 451191, China;
| | - Zijian Zhao
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou 450001, China;
- Correspondence:
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28
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Sun H, Soh KG, Norjali Wazir MRW, Ding C, Xu T, Zhang D. Can Self-Regulatory Strength Training Counter Prior Mental Exertion? A Systematic Review of Randomized Controlled Trials. Front Public Health 2022; 10:904374. [PMID: 35757630 PMCID: PMC9226420 DOI: 10.3389/fpubh.2022.904374] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022] Open
Abstract
Background Prior mental exertion consumes self-regulation and influences any subsequent physical or cognitive performance according to the strength model of self-regulation. However, the counteractive effect of self-regulatory strength training remains unclear. Objective This study aims to report a comprehensive systematic review investigating self-regulatory strength training programmes on physical or cognitive performance. Methods To select relevant studies from the available literature, a thorough search was conducted on PubMed, Web of Science, EBSCOhost (CENTRAL, Psychology and Behavioral Sciences Collection, SPORTDicus), Scopus, and Google Scholar, as well as the sources of reference for gray literature. Only randomized controlled trials involving healthy humans, strength-based self-regulation training programmes with comparable protocols, and a physical or cognitive task associated with the study were selected for the current review. The Grading of Recommendations Assessment Development and Evaluation (GRADE) framework was used to develop the summary of findings. Results Twelve articles were included based on the selection criteria. Evidence certainty for outcomes was graded as either low or very low level. The majority of the studies reported that self-regulatory strength training programmes can significantly counter prior mental exertion and decrement of performance, while only one study did not find such improvement. According to the strength model, a period of training increased the ‘self-regulatory muscle.' Conclusion Strength is an important ingredient in the resource model of self-regulation and can be trained to counter prior mental exertion and improve subsequent physical and cognitive performance. The training effects are cross-domain (e.g., emotional and cognitive domains; higher and lower levels of executive functions). However, motivation plays a key role to mobilize this resource. Future studies should examine the mechanism that underlies the strength. Systematic Review Registration https://inplasy.com/inplasy-2022-1-0060/, identifier: INPLASY202210060.
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Affiliation(s)
- He Sun
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | | | - Cong Ding
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Tingting Xu
- School of Journalism and Communication, Zhengzhou University, Zhengzhou, China
| | - Dong Zhang
- School of Physical Education and Sports, SooChow University, Suzhou, China
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Sun H, Soh KG, Xu X. Nature Scenes Counter Mental Fatigue-Induced Performance Decrements in Soccer Decision-Making. Front Psychol 2022; 13:877844. [PMID: 35572319 PMCID: PMC9105021 DOI: 10.3389/fpsyg.2022.877844] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/28/2022] [Indexed: 01/01/2023] Open
Abstract
BackgroundIt has been well investigated that nature exposure intervention can restore directed attention and improve subsequent cognitive performance. The impairment of decision-making skills in mentally fatigued soccer players was attributed to the inability of attention allocation. However, nature exposure as the potential intervention to counter mental fatigue and improve the subsequent decision-making skill in soccer players has never been investigated.ObjectsThis study aimed to evaluate the effects of nature exposure intervention on decision-making skills among mentally fatigued university soccer players. Moreover, different durations of nature exposure were also evaluated.MethodsA random control between-subject design was adopted. Players were randomly assigned into six groups with three different durations of the experimental group compared with the corresponding control group (4.17 min: Exp 1 vs. Con 1; 8.33 min: Exp 2 vs. Con 2; and 12.50 min: Exp 3 vs. Con 3). All players were first mentally fatigued by performing a 45-min Stroop task; then, they viewed virtual photos of natural or urban scenes; and finally, they performed a soccer decision-making task.ResultsThe subjective ratings of mental fatigue were significantly higher following the Stroop task. Only Exp 3 (12.50 min viewing natural scenes) significantly improved decision-making reaction time compared with Con 3 (p = 0.09). Moreover, the accuracy slightly increased in Exp 3 after the intervention.ConclusionIn line with attention restoration theory, nature exposure significantly improved decision-making skills in mentally fatigue university players. However, the duration must be 12.50 min for each stimulus to stay longer to attract involuntary attention.
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Affiliation(s)
- He Sun
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
- *Correspondence: He Sun
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Selangor, Malaysia
- Kim Geok Soh
| | - Xiaowei Xu
- Sports Education Centre, Zhejiang Shuren University, Hangzhou, China
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