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Ribeiro N, Martinho DV, Pereira JR, Rebelo A, Monasterio X, Gonzalo-Skok O, Valente-Dos-Santos J, Tavares F. Injury Risk in Elite Young Male Soccer Players: A Review on the Impact of Growth, Maturation, and Workload. J Strength Cond Res 2024:00124278-990000000-00530. [PMID: 39178105 DOI: 10.1519/jsc.0000000000004889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2024]
Abstract
ABSTRACT Ribeiro, N, Martinho, DV, Pereira, JR, Rebelo, A, Monasterio, X, Gonzalo-Skok, O, Valente-dos-Santos, J, and Tavares, F. Injury risk in elite young male soccer players: a review on the impact of growth, maturation, and workload. J Strength Cond Res XX(X): 000-000, 2024-The long-term development of young male soccer players involves a prolonged period of significant adjustments, highlighting the importance of studying the complex interaction between dynamic variables, including workload, and inherent elements like growth and maturity. This analysis examines the intricate connections involving the development, maturity, workload, and susceptibility to injuries among adolescent male soccer players. Significantly, these connections become prominent at the peak height velocity (PHV) period, a crucial moment in maturation. Growth rates vary among individuals, and higher rates have been associated with an increased risk of injury in young soccer players, particularly during periods of rapid growth. Identifying possible risk factors and understanding the complex connections between them is crucial to developing specific methods for reducing the risk of injury. Sharing this valuable information with essential stakeholders is crucial for guaranteeing young athletes' comprehensive growth and maturation process. Furthermore, this review emphasizes the immediate need for long-term studies and thorough injury analyses to comprehend better the dynamic interactions that influence injury patterns in young male soccer players. This review will allow practitioners to better understand the main modifiable and nonmodifiable risk factors for injury and provide essential information focusing on practical strategies, facilitating more informed decision making by all stakeholders. The review aims to clarify these complexities and offer crucial insights that can assist in designing and implementing efficient strategies to reduce the risk of injury, specifically for the challenges faced during PHV and within the broader framework of long-term athletic development in young soccer.
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Affiliation(s)
- Nuno Ribeiro
- Faculty of Physical Education and Sport, Lusófona University, Lisbon, Portugal
- Medical and Performance Department, Sporting Clube de Portugal, Lisbon, Portugal
| | - Diogo V Martinho
- CIDEFES, Center for Research in Sport, Physical Education, and Exercise and Health, Lusófona University, Lisbon, Portugal
| | - João R Pereira
- COD, Center of Sports Optimization, Sporting Clube de Portugal, Lisbon, Portugal
- Medical Services, Athletic Club, Lezama, Spain
| | - André Rebelo
- COD, Center of Sports Optimization, Sporting Clube de Portugal, Lisbon, Portugal
- Medical Services, Athletic Club, Lezama, Spain
| | - Xabier Monasterio
- Department of Communication and Education, Universidad Loyola Andalucía, Seville, Spain; and
| | - Oliver Gonzalo-Skok
- Research Unity in Sport and Physical Activity (CIDAF, UID/DTP/04213/2020), Faculty of Sport Sciences and Physical Education, University of Coimbra, Coimbra, Portugal
| | - João Valente-Dos-Santos
- COD, Center of Sports Optimization, Sporting Clube de Portugal, Lisbon, Portugal
- Medical Services, Athletic Club, Lezama, Spain
| | - Francisco Tavares
- Medical and Performance Department, Sporting Clube de Portugal, Lisbon, Portugal
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Mirto M, Filipas L, Altini M, Codella R, Meloni A. Heart Rate Variability in Professional and Semiprofessional Soccer: A Scoping Review. Scand J Med Sci Sports 2024; 34:e14673. [PMID: 38859758 DOI: 10.1111/sms.14673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 05/18/2024] [Accepted: 05/20/2024] [Indexed: 06/12/2024]
Abstract
In modern soccer, fitness and fatigue monitoring tools tend to be focused on noninvasive, time-efficient and player-friendly measures. Heart rate variability (HRV) has been suggested as an effective method for monitoring training response and readiness to perform. However, there is still a lack of consensus on HRV monitoring when it comes to soccer. Thus, this scoping review aims to map existing evidence on HRV in professional and semiprofessional soccer settings, and to identify knowledge gaps to inform future research directions. A search of databases (PubMed, Scopus, Web of Science, Google Scholar) according to the PRISMA-ScR statement was employed. Studies were screened for eligibility on inclusion criteria: (1) HRV was among the topics discussed in the article; (2) adult professional or semiprofessional soccer players were involved in the study; (3) both male and female participants; (4) no geographical area exclusion; (5) articles published in English; and (6) article full text available. The search of the selected databases revealed 8456 records. The titles and abstracts of all articles were retrieved for screening of eligibility, leaving 30 articles for further consideration. Following screening against set criteria, a total of 25 studies were included in this review, the sample size of which ranged from 6 to 124 participants. The participants in the included studies were professional and semiprofessional soccer players, interviewed clubs staff, and practitioners. Along with other monitoring strategies, morning vagally mediated HRV analysis via (ultra)short-term orthostatic measurements may be an efficient way to assess training adaptations and readiness to perform in professional and semiprofessional soccer players. Further research is required to make definitive recommendations.
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Affiliation(s)
- Mauro Mirto
- Department of Biomedical Sciences for Health, Università Degli Studi di Milano, Milan, Italy
| | - Luca Filipas
- Department of Biomedical Sciences for Health, Università Degli Studi di Milano, Milan, Italy
| | - Marco Altini
- Department of Human Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Roberto Codella
- Department of Biomedical Sciences for Health, Università Degli Studi di Milano, Milan, Italy
| | - Andrea Meloni
- Department of Biomedical Sciences for Health, Università Degli Studi di Milano, Milan, Italy
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Barragán R, González-Mohíno F, Veiga S, Juárez Santos-García D. Effects of 8-week of training on heart rate variability, overtraining state and performance in international young swimmers. Sci Sports 2022. [DOI: 10.1016/j.scispo.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Differences in External and Internal Load in Elite Youth Soccer Players within Different Match Timing Zones. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12147230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of this study was to determine and analyze the differences between the players’ internal (IL) and external load (EL) in different time zones (T1: 0–45 min, T2: 45–70 min, T3: 0–70 min, T4: 70–90 min, T5: 45–90 min, and T6: 0–90 min) in elite youth soccer matches (U17–19 age category). The monitored group comprised elite youth soccer players (n = 66; age = 17.5 ± 1.2 years; body height = 178.5 ± 8.7 cm; body mass = 70.4 ± 6.3 kg). Multivariate analysis of variances was used to compare the following variables: relative total distance covered (TDCrel), distance covered in different speed zones (Z1–Z6), high-metabolic load distance (HMLD), maximum running speed (Smax), number of acceleration (ACC) and deceleration (DCC) entries in different speed zones (Z1, Z2, Z3), and maximum heart rate (HRmax). Results revealed significant differences (p < 0.05) in the first 70 min (T3) compared to the last 20 min of the match (T4) in the following: TDCrel was higher, up to 6.6% (123.09 ± 9.48 vs. 115.03 ± 9.42 m.min−1); distance in Z5 (22.4%, 6.08 ± 1.82 vs. 4.72 ± 1.72 m.min−1); Z4 (18.6%, 20.15 ± 4.82 vs. 16.40 ± 3.48 m.min−1); Z3 (10.4%, 53.06 ± 47.52 m.min−1); and HMLD (16.1%, 34.86 ± 5.67 vs. 29.26 ± 5.11 m.min−1). We also found higher running performance in the first half (T1) than in the second half (T5) in the following parameters: TDCrel, Z5, Z4, ACCZ1, ACCZ2, and DCCZ1. With progressive time (in T4) we found a significant decrease in physical running performance, probably due to fatigue, which can lead to potential injury or losing in a match. The results of this study may provide helpful information in developing training strategies for coaches and in the set-up of plan for potential substitution of exhausted players mainly for the last 20 min of a match (T4). The present results are expressed as a relative value and should be compared with other study results with irregular timing zones.
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Analysis of Short-Term Heart Rate Asymmetry in High-Performance Athletes and Non-Athletes. Symmetry (Basel) 2022. [DOI: 10.3390/sym14061229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Heart rate asymmetry (HRA) refers to how asymmetrically the acceleration and deceleration patterns in heartbeat fluctuations are distributed. There is limited evidence regarding HRA changes in athletes and their association with autonomic regulation. This study aimed to compare the short-term HRA of high-performance athletes and non-athletes during an autonomic function test by calculating relevant HRA measures. This exploratory study obtained beat-to-beat RR interval time series from 15 high-performance athletes and 12 non-athletes during a standardized autonomic function test. This test includes rest, postural change, controlled respiration, prolonged orthostatism, exercise, and recovery phases. The following HRA parameters were computed from the RR time series for both groups: asymmetric spread index (ASI), slope index (SI), Porta’s index (PI), Guzik’s index (GI), and Ehlers’ index (EI). We found significant differences (p < 0.01) in the mean value of several HRA parameters between athletes and non-athletes and across the autonomic function test phases, mainly in postural change and recovery phases. Our results indicate that high-performance athletes manifest a higher number and magnitude of cardiac decelerations than non-athletes after an orthostatic challenge, as indicated by GI and EI. In addition, lower HRA was found in athletes in the recovery phase than in non-athletes, as indicated by ASI.
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Nakamura FY, Torres VBC, da Silva LS, Gantois P, Andrade AD, Ribeiro ALB, Brasileiro-Santos MDS, Batista GR. Monitoring Heart Rate Variability and Perceived Well-Being in Brazilian Elite Beach Volleyball Players: A Single-Tournament Pilot Study. J Strength Cond Res 2022; 36:1708-1714. [PMID: 35622114 DOI: 10.1519/jsc.0000000000003654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
ABSTRACT Nakamura, FY, Torres, VBC, da Silva, LS, Gantois, P, Andrade, AD, Ribeiro, ALB, Brasileiro-Santos, MdS, and Batista, GR. Monitoring heart rate variability and perceived well-being in Brazilian elite beach volleyball players: A single-tournament pilot study. J Strength Cond Res 36(6): 1708-1714, 2022-The aim of this study was to monitor the changes in heart rate variability (HRV) and perceptual well-being status after a beach volleyball (BV) tournament day in high-level U17 and senior players. Seventeen BV players (U17 [15-16 years]: n = 08; and senior [19-41 years]: n = 09) competing at national and/or international BV level participated in this study. Resting HRV and perceptual well-being measures were recorded across 4 moments: night 1 (prematches night), morning 1 (prematches morning), night 2 (postmatches night), and morning 2 (postmatches morning). Session rating of perceived exertion was assessed 10 minutes after each match, and accumulated match loads were used for analysis. Senior players presented higher values of natural logarithm of square root of the mean squared differences of successive RR intervals (lnRMSSD) at the 4 observation moments than U17 players (p = 0.006). Within-subjects analysis showed a larger mean difference regarding both lnRMSSD and natural logarithm SD of normal R-R intervals (lnSDNN) between night 1 vs. night 2 in U17 players (effect size = 1.11 and, 0.96, respectively) compared with senior (effect size = 0.40 and 0.32, respectively). Accumulated match loads were negatively correlated with percentage change in lnRMSSD (r = -0.54; p = 0.037). U17 players showed higher well-being variation than senior (group × time; p = 0.02). In conclusion, the lnRMSSD index was able to discriminate the U17 and senior BV players, and maintaining high vagally related HRV indices is an important response to BV training and competition.
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Affiliation(s)
- Fábio Y Nakamura
- Department of Physical Education., Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
| | - Vitor Bruno Cavalcanti Torres
- Department of Physical Education., Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil.,University Center UNIFACISA, Campina Grande, Paraíba, Brazil; and
| | - Leopoldo Sindice da Silva
- Department of Physical Education., Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
| | - Petrus Gantois
- Department of Physical Education., Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
| | - Ana Denise Andrade
- Department of Physical Education., Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
| | | | | | - Gilmário Ricarte Batista
- Department of Physical Education., Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
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Fuster J, Caparrós T, Capdevila L. Evaluation of cognitive load in team sports: literature review. PeerJ 2021; 9:e12045. [PMID: 34707923 PMCID: PMC8504464 DOI: 10.7717/peerj.12045] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/03/2021] [Indexed: 11/20/2022] Open
Abstract
In team sports, load management has become one of the most common areas of investigation, given that effective control over load is the key to being able to optimize performance and avoid injuries. Despite the constant evolution and innovation in the latest theories, we can see a clear tendency in load management that focuses on physiological and mechanical aspects and neglects its cognitive character, which generates the variability inherent in the performance of athletes in a changing environment. Indicators of response that inform methods of control over cognitive load can include cognitive, physiological and behavioral indicators. However, limited investigations exist to support the reliability of each indicator regarding cognitive load. For this reason, the objective of this literature review is to present strategies used to manage cognitive load in team sports, as well as the indicators utilized for such a proposition and their relationships in specific contexts.
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Affiliation(s)
- Joan Fuster
- National Institute of Physical Education of Catalonia (INEFC), Universitat de Barcelona, Barcelona, Spain
| | - Toni Caparrós
- National Institute of Physical Education of Catalonia (INEFC), Universitat de Barcelona, Barcelona, Spain.,GRCE Research Group, National Institut of Physical Education of Catalonia (INEFC), Barcelona, Spain
| | - Lluis Capdevila
- Sport Research Institute, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
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Bahenský P, Grosicki GJ. Superior Adaptations in Adolescent Runners Using Heart Rate Variability (HRV)-Guided Training at Altitude. BIOSENSORS 2021; 11:77. [PMID: 33799558 PMCID: PMC8001752 DOI: 10.3390/bios11030077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/03/2021] [Accepted: 03/08/2021] [Indexed: 12/14/2022]
Abstract
We evaluated the efficacy of heart rate variability (HRV)-guided training in adolescent athletes during a 2-week, high altitude (≈1900 m) training camp. Sixteen middle- and long-distance runners (4 female/12 male, 16.9 ± 1.0 years, 65.44 ± 4.03 mL·kg-1·min-1) were divided into 2 matched groups, both of which received the same training plan, but one of which acquired postwaking HRV values that were used to tailor the training prescription. During the camp, seven athletes in the HRV-guided group combined for a total of 32 training adjustments, whereas there were only 3 runners combined for 14 total training adjustments in the control group. A significant group by time interaction (p < 0.001) for VO2max was driven by VO2max improvements in the HRV group (+2.8 mL·kg-1·min-1, +4.27%; pBonf = 0.002) that were not observed in the control condition (+0.8 mL·kg-1·min-1, +1.26%; pBonf = 0.643). After returning from the camp, all athletes in the HRV group set a personal best, and six out of eight achieved their best positions in the National Championship, whereas only 75% of athletes in the control group set a personal best and five out of eight achieved their best positions in the National Championship. These data provide evidence in support of HRV-guided training as a way to optimize training prescriptions in adolescent athletes.
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Affiliation(s)
- Petr Bahenský
- Department of Sports Studies, Faculty of Education, University of South Bohemia, 371 15 České Budějovice, Czech Republic
| | - Gregory J. Grosicki
- Biodynamics and Human Performance Center, Georgia Southern University, Savannah, GA 31419, USA;
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Heart Rate Variability and Physical Demands of In-Season Youth Elite Soccer Players. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18041391. [PMID: 33546227 PMCID: PMC7913319 DOI: 10.3390/ijerph18041391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 11/16/2022]
Abstract
Monitoring fatigue and performance is important for adjusting training loads in soccer. Therefore, knowing the status of the player when applying a training stimulus is key to optimizing the players' development. This study aims to evaluate the interaction between internal and external load, during training and matches, in an elite youth soccer team. METHODS seventeen youth players of the highest Spanish category were monitored with GPS devices during training and matches, as well as recording their nocturnal heart rate variability (HRV). We employed a linear mixed model to assess the physical demands between training and matches, and to compare the HRV variables. RESULTS a higher total distance (+2993.35-5746.56 m; ES = 1.4), distance at high intensity (+641.24-1907 m; ES = 1.5), sprint distance (+350.46-795.05 m; ES = 2.1), number of sprints (+18.38-41.58; ES = 1.9), and number of repeated sprints (+5.91-15.30; ES = 1.7) (all p < 0.001), but not in the number of accelerations, were reported during the matches when compared to the training sessions during the 11 weeks. The analysis of the HRV variables showed no significant differences between the accumulated values during a training week, providing similar results pre-match or post-match (p > 0.05). The LF/HFRATIO showed a negative influence on the total distance ran, distance at high intensity, distance in sprint, number of sprints, and repeated sprint. RRMEAN was positively related to the sprint number. CONCLUSION the results of the present study suggest that nocturnal HRV variables are not different between pre-match and post-match. Furthermore, it suggests that LF/HFRATIO and RRMEAN during pre-match can determine the external load that the player will be able to complete during the match.
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Abstract
The aim of this study was to compare heart rate variability indices before and after a table tennis match. Sixteen males (21.86 ± 8.34 yr, 1.73 ± 0.08 m, 64.09 ± 13.39 kg and 21.46 ± 4.38 kg·m-2) were evaluated in 21 matches, before and after the match. We observed that in time domain analysis, Mean RR, SDNN, LnRMSSD and pNN50 after match values were significantly lower than before match values (p < 0.01 or p < 0.05), while Mean HR, Min HR and Max HR values were higher (p < 0.01) after than before the match, with no significant differences (p > 0.05) in STD HR. Meanwhile, frequency domain analysis showed LF Power (log), HF Power (log) and HF Power (in normalized units) after match values significantly lower than before match values (p < 0.01 or p < 0.05), while LF/HF value was higher after the match (p < 0.01), with no significant differences (p > 0.05) in LF Power (ms2), LF Power (in normalized units) and HF Power (ms2) values. Non-linear analysis showed SD1 and SD2 POST values significantly lower than PRE values (p < 0.05), while no significant differences were observed in SD2/SD1 value between POST and PRE analysis. As conclusion, due to the physiological strain of the table tennis match, changes were observed in heart rate variability values, suggesting an increase of sympathetic influence and a reduction of the parasympathetic influence.
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Carnevali L, Cerritelli F, Guolo F, Sgoifo A. Osteopathic Manipulative Treatment and Cardiovascular Autonomic Parameters in Rugby Players: A Randomized, Sham-Controlled Trial. J Manipulative Physiol Ther 2021; 44:319-329. [PMID: 33436300 DOI: 10.1016/j.jmpt.2020.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 07/23/2020] [Accepted: 09/03/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVE The purpose of this study was to investigate the effects of osteopathic manipulative treatment (OMT) on cardiovascular autonomic parameters after a rugby match. METHODS Resting and reactivity (ie, response to orthostasis) measures of mean arterial pressure, heart rate, and heart rate variability were assessed in 23 male players after a single session of OMT, both 18 to 20 hours after a rugby match and in a corresponding no-match condition, in a randomized, sham-controlled, crossover design. RESULTS Signs of reduced heart rate variability and elevated mean arterial pressure and heart rate were found 18 to 20 hours after a rugby match compared with the no-match condition. A significant increase in heart rate variability and a significant reduction in mean arterial pressure were observed after OMT in both the after-match and no-match conditions. Heart rate and heart rate variability responses to orthostasis were not affected by previous match competition, but were significantly larger after OMT compared with sham treatment. CONCLUSION This study suggests the presence of cardiovascular autonomic alterations in rugby players after a competitive match, which may be indicative of prolonged fatigue and incomplete recovery. In these players, favorable changes in cardiovascular autonomic parameters were observed following a single session of OMT.
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Affiliation(s)
- Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy; Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy.
| | - Francesco Cerritelli
- Clinical Human-based Research Department, Foundation COME Collaboration, Pescara, Italy
| | - Franco Guolo
- Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy; Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy
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Carnevali L, Lombardi L, Fornari M, Sgoifo A. Exploring the Effects of Osteopathic Manipulative Treatment on Autonomic Function Through the Lens of Heart Rate Variability. Front Neurosci 2020; 14:579365. [PMID: 33117124 PMCID: PMC7575744 DOI: 10.3389/fnins.2020.579365] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 09/17/2020] [Indexed: 11/13/2022] Open
Abstract
The osteopathic community has long hypothesized that the autonomic nervous system (ANS) represents one of the putative substrates through which osteopathic manipulative treatment (OMT) can improve body functions that have been altered by musculoskeletal alterations. Heart rate variability (HRV) is an important physiological measure of cardiac ANS activity. Emerging evidence suggests that OMT is associated with HRV changes that (i) are indicative of a larger cardiac vagal modulation, (ii) are independent from the part of the body needing treatment, (iii) occur even in the absence of musculoskeletal alterations. Yet, many questions remain unanswered, the duration of these effects and the specificity of HRV responses to different OMT techniques being perhaps the most critical. Therefore, this paper discusses prospects for future applications of HRV for the study of the influence of OMT on ANS function. Moreover, based on existing studies and preliminary data on the effects of OMT on HRV in specific pathological (hypertension) and physiological (stress exposure and recovery from sport competition) conditions that are commonly associated with increased sympathetic and/or decreased vagal activity, we propose that HRV analysis could be exploited to evaluate the effectiveness of OMT as a preventive or complementary strategy in clinical and non-clinical conditions characterized by ANS imbalance.
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Affiliation(s)
- Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
- Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy
| | - Luca Lombardi
- Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy
| | - Mauro Fornari
- Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
- Stress Control Lab, Collegio Italiano di Osteopatia, Parma, Italy
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Does Night Training Load Affect Sleep Patterns and Nocturnal Cardiac Autonomic Activity in High-Level Female Soccer Players? Int J Sports Physiol Perform 2019; 14:779–787. [PMID: 30569771 DOI: 10.1123/ijspp.2018-0652] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Purpose: To analyze whether exercise training conducted at night disturbs sleep and affects nocturnal cardiac autonomic control in high-level female athletes. Methods: A total of 18 high-level female soccer players (mean [SD] age 20.4 [2.1] y) wore actigraphs and heart-rate (HR) monitors during night sleep throughout night training days (n = 8) and resting days (n = 8), for 3 consecutive weeks. This was a longitudinal study that measured internal training load, sleep, nocturnal cardiac autonomic activity, and well-being ratings prior to training sessions. Results: Training load varied across training days (eg, training impulse range, mean [SD]; effect size, ES [95% confidence interval]: 72.9 [18.8] to 138.4 [29.6] a.u.; F4,62 = 32.331; ηp2=.673 [.001-.16], large effect; P < .001). However, no differences in subjective well-being ratings were observed, although ES was large. Total sleep time (training days vs resting days: 07:17 [00:47] h vs 07:51 [00:42] h; ES = 0.742 [0.59-0.92], P = .005; moderate effect) and sleep-onset time (00:58 [00:19] h vs 00:44 [00:16] h; ES = 0.802 [0.68-0.94], P = .001; moderate effect) were negatively affected after night training. In addition, small effects were detected for wake-up time, time in bed, and sleep latency (P > .05). No differences were detected in HR variability during sleep (range of lnRMSSD: 4.3 [0.4] to 4.5 [0.4] ln[ms] vs 4.6 [0.3] to 4.5 [0.4] ln[ms]; F3,52 = 2.148; P > .05; ηp2=.112 [.01-.25], medium effect), but HR during sleep was significantly higher after training days (range of HR: 56 [4] to 63 [7] beats/min vs 54 [4] to 57 [6] beats/min; F2,32 = 15.956; P < .001; ηp2=.484 [.20-.63], large effect). Conclusion: Overall, the results indicate that exercise training conducted at night may disturb sleep and affect HR, whereas limited effects can be expected in HR variability assessed during sleep in high-level female soccer players.
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Smith MR, Chai R, Nguyen HT, Marcora SM, Coutts AJ. Comparing the Effects of Three Cognitive Tasks on Indicators of Mental Fatigue. THE JOURNAL OF PSYCHOLOGY 2019; 153:759-783. [PMID: 31188721 DOI: 10.1080/00223980.2019.1611530] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
This investigation assessed the impact of three cognitively demanding tasks on cognitive performance, subjective, and physiological indicators of mental fatigue. Following familiarization, participants completed four testing sessions, separated by 48 h. During each session, participants watched a 45-min emotionally neutral documentary (control) or completed one of the following computer tasks: Psychomotor Vigilance Task (PVT); AX-Continuous Performance Test (AX-CPT); or Stroop Task. Mental fatigue was assessed before and at regular periods for 60 min following the 45-min treatments. Cognitive performance was assessed using 3-min PVT, and task performance. Subjective assessments were conducted using the Brunel Mood Scale, and visual analog scales (VAS). Physiological indicators of mental fatigue included electroencephalography (EEG), and heart rate variability (HRV). Subjective ratings of mental fatigue increased from pre to 0-min post in all-treatments, but not the documentary (p < 0.05). Subjective fatigue (VAS) remained higher (p < 0.05) than pretreatment values for 20-, 50-, and 60-min following the PVT, Stroop, and AX-CPT respectively. The cognitively demanding tasks had unclear effects on 3-min PVT, EEG, and HRV assessments. Tasks requiring response inhibition appear to induce fatigue for longer durations than a simple vigilance task. Simple VAS appear to be the most practical method for assessing mental fatigue.
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Flatt AA, Esco MR, Allen JR, Robinson JB, Earley RL, Fedewa MV, Bragg A, Keith CM, Wingo JE. Heart Rate Variability and Training Load Among National Collegiate Athletic Association Division 1 College Football Players Throughout Spring Camp. J Strength Cond Res 2019; 32:3127-3134. [PMID: 29023330 DOI: 10.1519/jsc.0000000000002241] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Flatt, AA, Esco, MR, Allen, JR, Robinson, JB, Earley, RL, Fedewa, MV, Bragg, A, Keith, CM, and Wingo, JE. Heart rate variability and training load among National Collegiate Athletic Association Division 1 college football players throughout spring camp. J Strength Cond Res 32(11): 3127-3134, 2018-The purpose of this study was to determine whether recovery of cardiac-autonomic activity to baseline occurs between consecutive-day training sessions among positional groups of a collegiate football team during Spring camp. A secondary aim was to evaluate relationships between chronic (i.e., 4-week) heart rate variability (HRV) and training load parameters. Baseline HRV (lnRMSSD_BL) was compared with HRV after ∼20 hours of recovery before next-day training (lnRMSSDpost20) among positional groups composed of SKILL (n = 11), MID-SKILL (n = 9), and LINEMEN (n = 5) with a linear mixed model and effect sizes (ES). Pearson and partial correlations were used to quantify relationships between chronic mean and coefficient of variation (CV) of lnRMSSD (lnRMSSD_chronic and lnRMSSDcv, respectively) with the mean and CV of PlayerLoad (PL_chronic and PL_cv, respectively). A position × time interaction was observed for lnRMSSD (p = 0.01). lnRMSSD_BL was higher than lnRMSSDpost20 for LINEMEN (p < 0.01; ES = large), whereas differences for SKILL and MID-SKILL were not statistically different (p > 0.05). Players with greater body mass experienced larger reductions in lnRMSSD (r = -0.62, p < 0.01). Longitudinally, lnRMSSDcv was significantly related to body mass (r = 0.48) and PL_chronic (r = -0.60). After adjusting for body mass, lnRMSSDcv and PL_chronic remained significantly related (r = -0.43). The ∼20-hour recovery time between training sessions on consecutive days may not be adequate for restoration of cardiac-parasympathetic activity to baseline among LINEMEN. Players with a lower chronic training load throughout camp experienced greater fluctuation in lnRMSSD (i.e., lnRMSSDcv) and vice versa. Thus, a capacity for greater chronic workloads may be protective against perturbations in cardiac-autonomic homeostasis among American college football players.
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Affiliation(s)
- Andrew A Flatt
- Exercise Physiology Laboratory, Department of Kinesiology, University of Alabama, Tuscaloosa, Alabama.,Department of Health Sciences, Armstrong State University, Savannah, Georgia
| | - Michael R Esco
- Exercise Physiology Laboratory, Department of Kinesiology, University of Alabama, Tuscaloosa, Alabama
| | - Jeff R Allen
- Department of Athletics, Sports Medicine, University of Alabama, Tuscaloosa, Alabama
| | - James B Robinson
- Department of Athletics, Sports Medicine, University of Alabama, Tuscaloosa, Alabama
| | - Ryan L Earley
- Department of Biological Sciences, University of Alabama, Tuscaloosa, Alabama
| | - Michael V Fedewa
- Exercise Physiology Laboratory, Department of Kinesiology, University of Alabama, Tuscaloosa, Alabama
| | - Amy Bragg
- Department of Athletics, Sports Nutrition, University of Alabama, Tuscaloosa, Alabama
| | - Clay M Keith
- Department of Athletics, Sports Medicine, University of Alabama, Tuscaloosa, Alabama
| | - Jonathan E Wingo
- Exercise Physiology Laboratory, Department of Kinesiology, University of Alabama, Tuscaloosa, Alabama
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Fusion of heart rate variability and salivary cortisol for stress response identification based on adverse childhood experience. Med Biol Eng Comput 2019; 57:1229-1245. [DOI: 10.1007/s11517-019-01958-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 01/28/2019] [Indexed: 01/01/2023]
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17
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CHOI JINSEUNG, SEO JEONGWOO, TACK GYERAE. DIFFERENCES IN PUTTER TRAJECTORY AND PSYCHOPHYSIOLOGICAL VARIABLES BETWEEN PROFESSIONAL AND AMATEUR GOLFERS UNDER STRESS CONDITION. J MECH MED BIOL 2018. [DOI: 10.1142/s0219519418400080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This study compared the differences in the putter trajectory and psychophysiological variables of winners and losers in a competitive putting game that targeted professional and amateur golfers under stress. Eight professional golfers (handicap: [Formula: see text]) and eight amateur golfers (handicap: [Formula: see text]) participated. To maximize the tension of the competition, the putting game was held in a single-elimination one-on-one knockout tournament with a single 2.1[Formula: see text]m putting competition for each group. In the case of a hole-in or a failure by both golfers, the game resumed until the winner was determined. To compare the golfers during the game, the maximum speed, moving length, and amplitude of the putter head during the back-swing and the follow-through were set as the motion variables; and psychological variables (heart rate, heart rate variability (HRV), and Competitive State Anxiety Inventory-2 (CSAI-2)) were analyzed. The results showed significant differences between the putter trajectory variables (maximum velocity and amplitude of the putter head during follow-through) of the groups, but no differences in the psychophysiological variables. In comparing winners and losers within each group, however, the professional group showed a difference in only the psychophysiological variables (HRV and self-confidence of CSAI-2), whereas the amateur group showed a difference in only one putter trajectory variable (follow-through length). It was quantitatively confirmed that factors that determine the outcome of the game differed at a technical level.
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Affiliation(s)
- JIN SEUNG CHOI
- Department of Biomedical Engineering, Konkuk University, Korea, 268 Chungwon-Daero, Chungju 27478, Korea
- BK21 Plus Research Institute of Biomedical Engineering, Konkuk University, Korea, 268 Chungwon-Daero, Chungju 27478, Korea
| | - JEONG WOO SEO
- Department of Biomedical Engineering, Konkuk University, Korea, 268 Chungwon-Daero, Chungju 27478, Korea
- BK21 Plus Research Institute of Biomedical Engineering, Konkuk University, Korea, 268 Chungwon-Daero, Chungju 27478, Korea
| | - GYE RAE TACK
- Department of Biomedical Engineering, Konkuk University, Korea, 268 Chungwon-Daero, Chungju 27478, Korea
- BK21 Plus Research Institute of Biomedical Engineering, Konkuk University, Korea, 268 Chungwon-Daero, Chungju 27478, Korea
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Mascarin RB, De Andrade VL, Barbieri RA, Loures JP, Kalva-Filho CA, Papoti M. Dynamics of Recovery of Physiological Parameters After a Small-Sided Game in Women Soccer Players. Front Physiol 2018; 9:887. [PMID: 30050459 PMCID: PMC6050376 DOI: 10.3389/fphys.2018.00887] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 06/19/2018] [Indexed: 01/20/2023] Open
Abstract
Purpose: Training methods based on small-sided game (SSG) seem to promote physiological and tactical benefits for soccer players as they present characteristics more specific to the game. Thus, the main objective of the present study was to analyze the hormonal, biochemical, and autonomic parameters in an acute manner and the recovery dynamics (up to 72 h after) in a SSG. Methods: Thirteen professional female soccer players participated in the study (18.8 ± 0.8 years, body mass 59.4 ± 6.2 kg, and height 1.68 ± 0.05 m). During and after the SSG session (4 min × 4 min separated by 3 min of passive interval and 120 m2 coverage per player), autonomic modulation was analyzed in the time and frequency domains using heart rate variability, and blood samples (5 ml) were collected before (0 h) and after (10 min and 24, 48, 72 h) the SSG for biochemical and hormonal analysis. Results: The SSG induced an increase effect for LF (low frequency) (92,52%; Very likely increase) and a decrease effect for HF (high frequency) values (-65,72%; Very likely decrease), after 10 min of recovery. The LF/HF increase after 10 min of recovery (386,21%; Very likely increase). The RMSSD (square root of the mean squared differences of the successive N-N intervals) and pNN50 (measure of the number of adjacent NN intervals which differ by more than 50 ms) values presented a decrease effect 10 min after SSG (61,38%; Very likely decrease and-90%; Very likely decrease). The CK (creatine kinase) values presented no changes 10 min after SSG. The LDH (lactate dehydrogenase) values presented an increase effect 10 min after the SSG (19,22%; Likely increase). Both testosterone and cortisol concentrations presented the same behavior after SSG, where no alterations were observed with after 10 min (<0,37%; Most likely trivial). Conclusion: The SSG promoted significant cardiovascular stress that was restored within the first 24 h of recovery. Parasympathetic parameters continued to increase while sympathetic parameters declined significantly during the 72 h of recovery. In addition, the reduced game did not alter biochemical or hormonal responses during the 72 h.
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Affiliation(s)
- Rafaela B Mascarin
- Post Graduate in Rehabilitation and Functional Performance, Physiotherapy Department, Faculdade de Medicina de Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Vitor L De Andrade
- Post Graduate Program in Movement Sciences, Bioscience Institute, Physical Education Department, São Paulo State University "Júlio de Mesquita Filho", Rio Claro, Brazil
| | - Ricardo A Barbieri
- Post Graduate Program in Physical Education and Sport, School of Physical Education and Sport of Ribeirão Preto, Ribeirão Preto, Brazil
| | - João P Loures
- Post Graduate in Rehabilitation and Functional Performance, Physiotherapy Department, Faculdade de Medicina de Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Carlos A Kalva-Filho
- Post Graduate in Rehabilitation and Functional Performance, Physiotherapy Department, Faculdade de Medicina de Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Marcelo Papoti
- Post Graduate in Rehabilitation and Functional Performance, Physiotherapy Department, Faculdade de Medicina de Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.,Post Graduate Program in Movement Sciences, Bioscience Institute, Physical Education Department, São Paulo State University "Júlio de Mesquita Filho", Rio Claro, Brazil.,Post Graduate Program in Physical Education and Sport, School of Physical Education and Sport of Ribeirão Preto, Ribeirão Preto, Brazil
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19
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Cardiac Autonomic Profile of Soccer, Field Hockey and Basketball Players: A Comparative Study. Asian J Sports Med 2018. [DOI: 10.5812/asjsm.62492] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Effects of Late-Night Training on "Slow-Wave Sleep Episode" and Hour-by-Hour-Derived Nocturnal Cardiac Autonomic Activity in Female Soccer Players. Int J Sports Physiol Perform 2018; 13:638-644. [PMID: 29345542 DOI: 10.1123/ijspp.2017-0681] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE To assess the sensitivity of nocturnal heart-rate-variability-monitoring methods to the effects of late-night soccer training sessions in female athletes. METHODS Eleven female soccer players competing in the first division of the Portuguese soccer league wore heart-rate monitors during sleep at night throughout a 1-wk competitive in-season microcycle, after late-night training sessions (n = 3) and rest days (n = 3). Heart rate variability was analyzed through "slow-wave sleep episode" (10-min duration) and "hour by hour" (all the RR intervals recorded throughout the hours of sleep). Training load was quantified by session rating of perceived exertion (281.8 [117.9] to 369.0 [111.7] arbitrary units [a.u.]) and training impulse (77.5 [36.5] to 110.8 [31.6] a.u.), added to subjective well-being ratings (Hopper index = 11.6 [4.4] to 12.8 [3.2] a.u.). These variables were compared between training and rest days using repeated-measures analysis of variance. RESULTS The log-transformed slow-wave sleep-episode cardiac autonomic activity (lnRMSSD [natural logarithm of the square root of the mean of the sum of the squares of differences between adjacent normal RR intervals] varying between 3.92 [0.57] and 4.20 [0.60] ms; [Formula: see text]; 95% confidence interval, .01-.26), lnHF (natural logarithm of high frequency), lnLF (natural logarithm of low frequency), lnSD1 (natural logarithm of short-term beat-to-beat variability), and lnSD2 (natural logarithm of long-term beat-to-beat variability), and the nontransformed LF/HF were not different among night-training session days and rest days (P > .05). Considering the hour-by-hour method (lnRMSSD varying between 4.05 [0.35] and 4.33 [0.32] ms; [Formula: see text]; 95% confidence interval, .26-.52), lnHF, lnLF, lnSD1, and lnSD2 and the nontransformed LF/HF were not different among night-training session days and rest days (P > .05). CONCLUSION Late-night soccer training does not seem to affect nocturnal slow-wave sleep-episode and hour-by-hour heart-rate-variability indices in highly trained athletes.
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21
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Bisschoff CA, Coetzee B, Esco MR. Heart rate variability and recovery as predictors of elite, African, male badminton players’ performance levels. INT J PERF ANAL SPOR 2018. [DOI: 10.1080/24748668.2018.1437868] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Christo A. Bisschoff
- Physical Activity, Sport and Recreation Research Focus Area, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Ben Coetzee
- Physical Activity, Sport and Recreation Research Focus Area, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Michael R. Esco
- Department of Kinesiology, Exercise Physiology Laboratory, University of Alabama, Tuscaloosa, AL, USA
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22
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Rundfeldt LC, Maggioni MA, Coker RH, Gunga HC, Riveros-Rivera A, Schalt A, Steinach M. Cardiac Autonomic Modulations and Psychological Correlates in the Yukon Arctic Ultra: The Longest and the Coldest Ultramarathon. Front Physiol 2018; 9:35. [PMID: 29483874 PMCID: PMC5816048 DOI: 10.3389/fphys.2018.00035] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 01/10/2018] [Indexed: 11/13/2022] Open
Abstract
Studies on human physical performance in extreme environments have effectively approached the investigation of adaptation mechanisms and their physiological limits. As scientific interest in the interplay between physiological and psychological aspects of performance is growing, we aimed to investigate cardiac autonomic control, by means of heart rate variability, and psychological correlates, in competitors of a subarctic ultramarathon, taking place over a 690 km course (temperatures between +5 and -47°C). At baseline (PRE), after 277 km (D1), 383 km (D2), and post-race (POST, 690 km), heart rate (HR) recordings (supine, 15 min), psychometric measurements (Profile of Mood States/POMS, Borg fatigue, and Karolinska Sleepiness Scale scores both upon arrival and departure) were obtained in 16 competitors (12 men, 4 women, 38.6 ± 9.5 years). As not all participants reached the finish line, comparison of finishers (FIN, n = 10) and non-finishers (NON, n = 6), allowed differential assessment of performance. Resting HR increased overall significantly at D1 (FIN +15.9; NON +14.0 bpm), due to a significant decrease in parasympathetic drive. This decrease was in FIN only partially recovered toward POST. In FIN only, baseline HR was negatively correlated with mean velocity [r -0.63 (P.04)] and parasympathetic drive [pNN50+: r -0.67 (P.03)], a lower HR and a higher vagal tone predicting a better performance. Moreover, in FIN, a persistent increase of the long-term self-similarity coefficient, assessed by detrended fluctuation analysis (DFAα2), was retrieved, possibly due to higher alertness. As for psychometrics, at D1, POMS Vigor decreased (FIN: -7.0; NON: -3.8), while Fatigue augmented (FIN: +6.9; NON: +5.0). Sleepiness increased only in NON, while Borg scales did not exhibit changes. Baseline comparison of mood states with normative data for athletes displayed significantly higher positive mood in our athletes. Results show that: the race conditions induced early decreases in parasympathetic drive; the extent of vagal withdrawal, associated to the timing of its recovery, is crucial for success; pre-competition lower resting HR predicts a better performance; psychological profile is reliably depicted by POMS, but not by Borg fatigue scales. Therefore, assessment of heart rate variability and psychological profile may monitor and partly predict performance in long-duration ultramarathon in extreme cold environment.
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Affiliation(s)
- Lea C Rundfeldt
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany
| | - Martina A Maggioni
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany.,Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - Robert H Coker
- Institute of Arctic Biology, University of Alaska-Fairbanks, Fairbanks, AK, United States
| | - Hanns-Christian Gunga
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany
| | - Alain Riveros-Rivera
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany.,Department of Physiological Sciences, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Adriane Schalt
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany
| | - Mathias Steinach
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany
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Kraama L, Yague P, Kyröläinen H, Pulkkinen S, Matinsalo T, Linnamo V. Effects of eight weeks of physical training on physical performance and heart rate variability in children. BIOMEDICAL HUMAN KINETICS 2017. [DOI: 10.1515/bhk-2017-0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Summary
Study aim: Physically active adults have been shown to have higher heart rate variability (HRV) than less active adults, but less is known about children in this regard. In adults, training-induced changes in physical performance have been shown to be related to increase in HRV, especially in its high frequency component (HF), which is a marker of parasympathetic activity. The purpose of this study was to examine whether 8 weeks of instructed physical training would improve physical performance and cardiac autonomic function (HRV) in secondary school pupils and to examine the relationship between changes in physical performance and the function of the autonomic nervous system. Material and methods: The test group included 12 girls and 12 boys and the control group 7 girls and 7 boys. All the subjects were 13-15 years old. Physical training included warm up, circuit training, endurance training, stretching and relaxation 3 times a week for eight weeks. Endurance training intensity was 70-75% of maximal heart rate. Endurance, flexibility, speed and power were measured before and after training. The low frequency (LF) and high frequency (HF) components of HRV were recorded in supine rest and in standing conditions before and after the eight-week period. Results: Time to exhaustion in the endurance test increased in the test group (p < 0.001), flexibility and ball throwing improved in the test group (p < 0.05), while no changes were observed in the control group. No significant changes were observed in HRV in either group. Conclusions: In conclusion, eight weeks of physical training improves physical performance in children, but it might not affect autonomic cardiac function.
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Affiliation(s)
- Liisa Kraama
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä , Finland
| | - Pablo Yague
- School of Sport Medicine, Department of Morphology and Cellular Biology, University of Oviedo, Oviedo , Spain
| | - Heikki Kyröläinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä , Finland
| | | | | | - Vesa Linnamo
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä , Finland
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Botsva N, Naishtetik I, Khimion L, Chernetchenko D. Predictors of aging based on the analysis of heart rate variability. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2017; 40:1269-1278. [PMID: 28983984 DOI: 10.1111/pace.13180] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 07/31/2017] [Accepted: 08/14/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND The current significant progress in the use of heart rate variability in the solution of many diagnostic and therapeutic problems is determined by the availability of standardized methods of measurement and physiological interpretation of heart rate variability indices on the one hand and the high technological level of state-of-the-art electronic measuring equipment that is used for automatic registration and computer processing of cardio-signals. METHODS A retrospective analysis of anonymized cardio screening results of 22,433 adult residents of 565 settlements (cities and villages) across all 20 administrative districts of the Khmelnytskyi Region (Ukraine) was conducted to find a statistically significant connection between individual heart rate variability parameters and the age of people. RESULTS Primary statistical analysis and visualization showed a correlation between the selected heart rate variability parameters and the age and sex of the examined persons. The study found values of the predicted age slightly over estimation versus the actual age for very young test subjects and below estimation for elderly subjects. CONCLUSION The use of neural network computations and the modification of the algorithm through the construction of individual training samples for different age intervals, and the creation of individual ensembles of classification neural networks, therefore achieved a prediction of the age of examined persons based on the values of their time and frequency domain heart rate variability indices, with 87% accuracy for women and 85% accuracy for men in the 66-85 years age interval and at least 85% for age groups across the entire sample.
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Affiliation(s)
- Nataliia Botsva
- Oles Honchar Dnipropetrovsk National University, 20 Kazakova Str., Dnipro, 49010, Ukraine
| | - Iryna Naishtetik
- Academy of the Postgraduate Education named after P.L. Schupik, Dorogozhytska Str., Kyiv, 04112, Ukraine
| | - Ludmyla Khimion
- Academy of the Postgraduate Education named after P.L. Schupik, Dorogozhytska Str., Kyiv, 04112, Ukraine
| | - Dmitriy Chernetchenko
- Oles Honchar Dnipropetrovsk National University, 20 Kazakova Str., Dnipro, 49010, Ukraine
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Djaoui L, Haddad M, Chamari K, Dellal A. Monitoring training load and fatigue in soccer players with physiological markers. Physiol Behav 2017; 181:86-94. [PMID: 28886966 DOI: 10.1016/j.physbeh.2017.09.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 09/03/2017] [Accepted: 09/04/2017] [Indexed: 01/27/2023]
Abstract
The quantification and monitoring of training load (TL) has been the topic of many scientific works in the last fifteen years. TL monitoring helps coaches to individually prescribe, follow-up, analyse, adjust and programme training sessions. In particular, the aim of the present review was to provide a critical literature report regarding different physiological markers of TL monitoring, particularly in soccer, as the load is specific to individual sports. Therefore, the interests and limitations of heart rate (HR), HR variability (HRV) and biochemical variables (blood, urinary and hormonal variations) were analysed, with a special focus on daily measures (before, during and after training) and monitoring throughout a whole season. It appears that the most relevant markers were the resting HR before training, HR reserve during training, HRV during rest days, blood lactate, and blood and salivary immunological status in follow-ups throughout the season. Urinary markers indicative of the players' hydration status also deserve attention. However, these objective markers should be considered with a subjective marker of TL such as the rating of perceived exertion to give a more precise quantification of TL and its perception. Future research could be directed towards urinary marker analysis and the analysis of specific markers of TL, which could be related to injury occurrence and to performance during competition.
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Affiliation(s)
- Léo Djaoui
- Inter-university Laboratory of Human Movement and Biology (LIBM), University Claude Bernard Lyon1, University of Lyon, Villeurbanne, France.
| | - Monoem Haddad
- Sport Science Program, College of Arts & Sciences, Qatar University, Doha, Qatar.
| | - Karim Chamari
- Athletic Health and Performance Research Centre, Aspetar, Qatar Orthopaedic and Sports Medicine Hospital, Doha, Qatar.
| | - Alexandre Dellal
- Inter-university Laboratory of Human Movement and Biology (LIBM), University Claude Bernard Lyon1, University of Lyon, Villeurbanne, France; FIFA Medical Centre of Excellence, Centre Orthopédique Santy, Sport Science and Research Department, Lyon, France
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Lee NA, Fell JW, Pitchford NW, Hall AH, Leveritt MD, Kitic CM. Combined Carbohydrate and Protein Ingestion During Australian Rules Football Matches and Training Sessions Does Not Reduce Fatigue or Accelerate Recovery Throughout a Weeklong Junior Tournament. J Strength Cond Res 2017; 32:344-355. [PMID: 28368955 DOI: 10.1519/jsc.0000000000001827] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Lee, NA, Fell, JW, Pitchford, NW, Hall, AH, Leveritt, MD, and Kitic, CM. Combined carbohydrate and protein ingestion during Australian rules football matches and training sessions does not reduce fatigue or accelerate recovery throughout a weeklong junior tournament. J Strength Cond Res 32(2): 344-355, 2018-Australian rules football (ARF) is a physically demanding sport that can induce high levels of fatigue. Fatigue may be intensified during periods where multiple matches are played with limited recovery time. Combined carbohydrate and protein (CHO + PRO) intake during physical activity may provide performance and recovery benefits. The aim of this study was to investigate whether CHO + PRO ingestion during ARF matches and training sessions throughout a tournament would enhance performance or recovery in comparison with CHO-only ingestion. Australian rules football players (n = 21) competing in a 7-day national tournament participated in this randomized and double-blinded study. Beverages containing either CHO (n = 10) or CHO + PRO (n = 11) were provided during matches (day 1, day 4, and day 7) and training sessions (day 2 and day 3). Countermovement jumps (CMJs), ratings of muscle soreness, and autonomic function were assessed throughout the tournament. Gastrointestinal tract (GI) discomfort was measured after matches. Countermovement jump peak velocity increased in the CHO + PRO group (p = 0.01) but not in the CHO group. There were no differences in the other CMJ variables. In both groups, muscle soreness increased from days 0 and 1 to day 2 (p ≤ 0.05) but did not remain elevated. R-R intervals (time elapsed between successive peaks in QRS complexes) increased in both groups from day 1 to day 7 (mean difference = 59.85 ms, p < 0.01). Postmatch GI discomfort was not different (p > 0.05) between groups. When daily dietary protein is adequate (>1.8 g·kg·d), the ingestion of CHO + PRO during matches and training sessions throughout a tournament does not reduce muscle soreness nor have clear benefits for neuromuscular recovery or modulate autonomic function in junior ARF athletes, compared with that of CHO alone.
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Affiliation(s)
- Nathan A Lee
- Sport Performance Optimisation Research Team, School of Health Sciences, University of Tasmania, Launceston, Australia.,Sports Performance Unit, Tasmanian Institute of Sport, Launceston, Australia
| | - James W Fell
- Sport Performance Optimisation Research Team, School of Health Sciences, University of Tasmania, Launceston, Australia
| | - Nathan W Pitchford
- Sport Performance Optimisation Research Team, School of Health Sciences, University of Tasmania, Launceston, Australia.,AFL Tasmania, Hobart, Australia
| | - Andrew H Hall
- Apple to Zucchini Sports Nutrition, Brisbane, Australia
| | - Michael D Leveritt
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Australia
| | - Cecilia M Kitic
- Sport Performance Optimisation Research Team, School of Health Sciences, University of Tasmania, Launceston, Australia
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Nakamura FY, Pereira LA, Cal Abad CC, Cruz IF, Flatt AA, Esco MR, Loturco I. Adequacy of the Ultra-Short-Term HRV to Assess Adaptive Processes in Youth Female Basketball Players. J Hum Kinet 2017; 56:73-80. [PMID: 28469745 PMCID: PMC5384054 DOI: 10.1515/hukin-2017-0024] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Heart rate variability has been widely used to monitor athletes’ cardiac autonomic control changes induced by training and competition, and recently shorter recording times have been sought to improve its practicality. The aim of this study was to test the agreement between the (ultra-short-term) natural log of the root-mean-square difference of successive normal RR intervals (lnRMSSD - measured in only 1 min post-1 min stabilization) and the criterion lnRMSSD (measured in the last 5 min out of 10 min of recording) in young female basketball players. Furthermore, the correlation between training induced delta change in the ultra-short-term lnRMSSD and the criterion lnRMSSD was calculated. Seventeen players were assessed at rest pre- and post-eight weeks of training. Trivial effect sizes (-0.03 in the pre- and 0.10 in the post- treatment) were found in the comparison between the ultra-short-term lnRMSSD (3.29 ± 0.45 and 3.49 ± 0.35 ms, in the pre- and post-, respectively) and the criterion lnRMSSD (3.30 ± 0.40 and 3.45 ± 0.41 ms, in the pre- and post-, respectively) (intraclass correlation coefficient = 0.95 and 0.93). In both cases, the response to training was significant, with Pearson’s correlation of 0.82 between the delta changes of the ultra-short-term lnRMSSD and the criterion lnRMSSD. In conclusion, the lnRMSSD can be calculated within only 2 min of data acquisition (the 1st min discarded) in young female basketball players, with the ultra-short-term measure presenting similar sensitivity to training effects as the standard criterion measure.
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Affiliation(s)
- Fabio Y Nakamura
- Nucleus of High Performance in Sport - NAR, São Paulo, SP, Brazil.,State University of Londrina, Londrina, PR, Brazil
| | - Lucas A Pereira
- Nucleus of High Performance in Sport - NAR, São Paulo, SP, Brazil
| | - Cesar C Cal Abad
- Nucleus of High Performance in Sport - NAR, São Paulo, SP, Brazil
| | - Igor F Cruz
- Associação Desportiva Classista Bradesco/Osasco, Osasco, SP, Brazil
| | - Andrew A Flatt
- University of Alabama, Department of Kinesiology, Exercise Physiology Laboratory, Tuscaloosa, AL, USA
| | - Michael R Esco
- University of Alabama, Department of Kinesiology, Exercise Physiology Laboratory, Tuscaloosa, AL, USA
| | - Irineu Loturco
- Nucleus of High Performance in Sport - NAR, São Paulo, SP, Brazil
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Pace M, Dumortier L, Favre-Juvin A, Guinot M, Bricout VA. Heart rate variability during sleep in children with autism spectrum disorders. Physiol Behav 2016; 167:309-312. [DOI: 10.1016/j.physbeh.2016.09.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/30/2016] [Accepted: 09/28/2016] [Indexed: 11/28/2022]
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Cruz GH, Orellana JN, Taraco AR, Colmenero BR. Leukocyte Populations are Associated with Heart Rate Variability After a Triathlon. J Hum Kinet 2016; 54:55-63. [PMID: 28031757 PMCID: PMC5187961 DOI: 10.1515/hukin-2016-0036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The purpose of this study was to analyze cellular immune components and their association with heart rate variability in triathlon athletes. Twelve athletes were included (age 36.41 ± 5.57 years, body mass 81.84 ± 10.97 kg) and blood samples were taken one week before, immediately, at 2 and 48 hours, and one week after competition. Total lymphocytes and their subpopulations, neutrophils, basophils, eosinophils and monocytes were analyzed. At the same time, heart rate variability was recorded for 30 minutes using Polar Team2®. A significant difference between lymphocyte subpopulations and heart rate variability was found in the different study periods. A positive correlation was found between total lymphocytes and rMSSD (r = .736, p <0.05), CD3+ and rMSSD (r = .785, p <0.05), and CD4+ and rMSSD (r = .795, p < 0.05) at the end of the competition. After one week of competition, a negative correlation was found between eosinophils and MRR, SDNN, pNN50, and rMSSD (p <0.01); and basophils and MRR, SDNN, pNN50, and rMSSD (p <0.01); while a positive correlation was found between CD19+ (B cells) and pNN50 (r = .678, p <0.05). Our results suggest that it is possible to predict the effect of training with regard to the athlete's performance.
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Djaoui L, Diaz-Cidoncha Garcia J, Hautier C, Dellal A. Kinetic Post-match Fatigue in Professional and Youth Soccer Players During the Competitive Period. Asian J Sports Med 2016; 7:e28267. [PMID: 27217927 PMCID: PMC4870820 DOI: 10.5812/asjsm.28267] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Revised: 04/30/2015] [Accepted: 06/06/2015] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND No previous research has analysed kinetic fatigue of elite adult players and elite youth players during the competitive period. OBJECTIVES The aim of the present study was to analyse kinetic post-match fatigue in professional and youth soccer players during the competitive period. MATERIALS AND METHODS resting heart rate (HRrest), post-effort recovery heart rate (HRrecovery), rate of perceived exertion fatigue (RPEf), muscle soreness and blood samples with creatine kinase (CK) and resting lactate (La) from nine professional soccer players were measured immediately before, 24 hour and 48 hour after two official French first league matches (Ligue 1) whereas RPEf, HRrest, and 20m speed performance (speed-20 m) were measured in ten U-17 elite players immediately before, 24 hour and 48h after a friendly match. RESULTS for professionals, a soccer match elevated all physiological markers during the next 24 hours (P < 0.05); only HRrecovery remained significantly different 48 hours after the match (P < 0.05) whereas there was no variation of HRrest, RPEf, and speed-20m, which were elevated until 24h and got back to reference values 48 hours after the match (P < 0.05) for the U17 players. Comparing the two groups, HRrest results remained lower all the time for professionals, and RPEf was lower for U-17, 24 hours after the match (P < 0.05). CONCLUSIONS Independent of their level, professional soccer players, need 48 hours to recover after an official match. Professionals gain more fatigue than young players after a match, but recover as fast. Thus, they recover more efficiently especially due to a better physical condition and fitness training. It is expected that the results showed in the study help elite soccer and fitness coaches to manage the training load of the team according to the match.
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Affiliation(s)
- Leo Djaoui
- Inter-University Laboratory of Human Movement Biology (LIBM), University of Lyon, University Claude Bernard Lyon 1, Lyon, France
- Corresponding author: Leo Djaoui, Inter-University Laboratory of Human Movement Biology (LIBM), University of Lyon, University Claude Bernard Lyon 1, Lyon, France. Tel: +33-472432848, Fax: +33-472432846, E-mail:
| | - Jorge Diaz-Cidoncha Garcia
- Federation International of Football Association (FIFA), Education and Technical Development Department, Zurich, Switzerland
- National Institute of Physical Education (INEF), Polytechnic University of Madrid, Sports Department, Madrid, Spain
| | - Christophe Hautier
- Inter-University Laboratory of Human Movement Biology (LIBM), University of Lyon, University Claude Bernard Lyon 1, Lyon, France
| | - Alexandre Dellal
- Inter-University Laboratory of Human Movement Biology (LIBM), University of Lyon, University Claude Bernard Lyon 1, Lyon, France
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Abstract
In the sport context, recovery has been characterized as a multifactor process (physiological, psychological, behavioral, social, etc.). This study takes a multidisciplinary approach to find psychophysiological markers of the stress-recovery process. It aims to determine how athletes' specific recovery actions relate to their perceptions of recovery, and Heart Rate Variability (HRV). A total of 196 assessments were analyzed from 6 players on a men's professional basketball team within the Liga LEB Oro basketball federation (2012/2013 season). Perceptions of recovery, recovery strategies, and HRV were recorded. The results show a pattern of individual differences in behavior related to athletes' recovery actions and HRV profiles throughout the season (p < .05). Moreover, we observed that each player had different recovery needs. In light of these results, we suggest an individualistic approach to evaluating and monitoring recovery to attend more accurately to each player's recovery needs.
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McConnell PA, Froeliger B, Garland EL, Ives JC, Sforzo GA. Auditory driving of the autonomic nervous system: Listening to theta-frequency binaural beats post-exercise increases parasympathetic activation and sympathetic withdrawal. Front Psychol 2014; 5:1248. [PMID: 25452734 PMCID: PMC4231835 DOI: 10.3389/fpsyg.2014.01248] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 10/14/2014] [Indexed: 11/13/2022] Open
Abstract
Binaural beats are an auditory illusion perceived when two or more pure tones of similar frequencies are presented dichotically through stereo headphones. Although this phenomenon is thought to facilitate state changes (e.g., relaxation), few empirical studies have reported on whether binaural beats produce changes in autonomic arousal. Therefore, the present study investigated the effects of binaural beating on autonomic dynamics [heart rate variability (HRV)] during post-exercise relaxation. Subjects (n = 21; 18-29 years old) participated in a double-blind, placebo-controlled study during which binaural beats and placebo were administered over two randomized and counterbalanced sessions (within-subjects repeated-measures design). At the onset of each visit, subjects exercised for 20-min; post-exercise, subjects listened to either binaural beats ('wide-band' theta-frequency binaural beats) or placebo (carrier tones) for 20-min while relaxing alone in a quiet, low-light environment. Dependent variables consisted of high-frequency (HF, reflecting parasympathetic activity), low-frequency (LF, reflecting sympathetic and parasympathetic activity), and LF/HF normalized powers, as well as self-reported relaxation. As compared to the placebo visit, the binaural-beat visit resulted in greater self-reported relaxation, increased parasympathetic activation and increased sympathetic withdrawal. By the end of the 20-min relaxation period there were no observable differences in HRV between binaural-beat and placebo visits, although binaural-beat associated HRV significantly predicted subsequent reported relaxation. Findings suggest that listening to binaural beats may exert an acute influence on both LF and HF components of HRV and may increase subjective feelings of relaxation.
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Affiliation(s)
- Patrick A. McConnell
- Department of Exercise and Sport Sciences, Ithaca CollegeIthaca, NY, USA
- Department of Neurosciences, Medical University of South CarolinaCharleston, SC, USA
| | - Brett Froeliger
- Department of Neurosciences, Medical University of South CarolinaCharleston, SC, USA
| | - Eric L. Garland
- College of Social Work and Huntsman Cancer Institute, University of UtahSalt Lake City, UT, USA
| | - Jeffrey C. Ives
- Department of Exercise and Sport Sciences, Ithaca CollegeIthaca, NY, USA
| | - Gary A. Sforzo
- Department of Exercise and Sport Sciences, Ithaca CollegeIthaca, NY, USA
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de Rezende Barbosa MPDC, Silva NTD, de Azevedo FM, Pastre CM, Vanderlei LCM. Comparison of Polar®RS800G3™heart rate monitor with Polar®S810i™and electrocardiogram to obtain the series of RR intervals and analysis of heart rate variability at rest. Clin Physiol Funct Imaging 2014; 36:112-7. [DOI: 10.1111/cpf.12203] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2014] [Accepted: 09/24/2014] [Indexed: 11/29/2022]
Affiliation(s)
| | - Natália Turri da Silva
- Physiotherapy Department; Universidade Estadual Paulista - FCT/UNESP; Presidente Prudente SP Brazil
| | - Fábio Mícolis de Azevedo
- Physiotherapy Department; Universidade Estadual Paulista - FCT/UNESP; Presidente Prudente SP Brazil
| | - Carlos Marcelo Pastre
- Physiotherapy Department; Universidade Estadual Paulista - FCT/UNESP; Presidente Prudente SP Brazil
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Botek M, Krejčí J, Weisser R. Autonomic cardiac regulation and morpho-physiological responses to eight week training preparation in junior soccer players. ACTA GYMNICA 2014. [DOI: 10.5507/ag.2014.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Williamon A, Aufegger L, Wasley D, Looney D, Mandic DP. Complexity of physiological responses decreases in high-stress musical performance. J R Soc Interface 2013; 10:20130719. [PMID: 24068177 DOI: 10.1098/rsif.2013.0719] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
For musicians, performing in front of an audience can cause considerable apprehension; indeed, performance anxiety is felt throughout the profession, with wide ranging symptoms arising irrespective of age, skill level and amount of practice. A key indicator of stress is frequency-specific fluctuations in the dynamics of heart rate known as heart rate variability (HRV). Recent developments in sensor technology have made possible the measurement of physiological parameters reflecting HRV non-invasively and outside of the laboratory, opening research avenues for real-time performer feedback to help improve stress management. However, the study of stress using standard algorithms has led to conflicting and inconsistent results. Here, we present an innovative and rigorous approach which combines: (i) a controlled and repeatable experiment in which the physiological response of an expert musician was evaluated in a low-stress performance and a high-stress recital for an audience of 400 people, (ii) a piece of music with varying physical and cognitive demands, and (iii) dynamic stress level assessment with standard and state-of-the-art HRV analysis algorithms such as those within the domain of complexity science which account for higher order stress signatures. We show that this offers new scope for interpreting the autonomic nervous system response to stress in real-world scenarios, with the evolution of stress levels being consistent with the difficulty of the music being played, superimposed on the stress caused by performing in front of an audience. For an emerging class of algorithms that can analyse HRV independent of absolute data scaling, it is shown that complexity science performs a more accurate assessment of average stress levels, thus providing greater insight into the degree of physiological change experienced by musicians when performing in public.
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Affiliation(s)
- Aaron Williamon
- Centre for Performance Science, Royal College of Music, , Prince Consort Road, London SW7 2BS, UK
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Leti T, Bricout VA. Interest of analyses of heart rate variability in the prevention of fatigue states in senior runners. Auton Neurosci 2013; 173:14-21. [DOI: 10.1016/j.autneu.2012.10.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 10/18/2012] [Accepted: 10/22/2012] [Indexed: 11/24/2022]
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[Geometric index of heart rate variability in chronic obstructive pulmonary disease]. REVISTA PORTUGUESA DE PNEUMOLOGIA 2011; 17:260-5. [PMID: 21920699 DOI: 10.1016/j.rppneu.2011.06.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2010] [Accepted: 05/30/2011] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND It was already evidenced decreased heart rate variability (HRV) in chronic obstructive pulmonary disease (COPD) patients at rest. OBJECTIVE In order to insert new elements in the literature regarding this issue, we evaluated geometric index of HRV in COPD subjects. METHOD We analyzed data from 34 volunteers, divided into two groups according to spirometric values: COPD (17 volunteers, FEV1/FVC=47.3±10.2; FEV1=50.8±15.7) and control (17 volunteers, FEV1/FVC=78.8±10.8; FEV1=100.1±14.7). For analysis of HRV indexes the volunteers remained in the supine position for 30 minutes. We analyzed the following indexes: triangular index (RRtri), triangular interpolation of RR intervals (TINN) and Poincaré plot (SD1, SD2 and SD1/SD2). Student t test for unpaired samples and Mann-Whitney test were used for data analysis. RESULTS We observed statistically significant reductions in geometric indexes in the COPD group: RRtri (0.043±0.01 vs. 0.059±0.02; p=0.018), TINN (105.88±51.82 vs. 151.47±49.9; p=0.014), SD1 (9.76±4.66 vs. 14.55±6.04; p=0.014) and SD2 (34.86±17.02 vs. 51.51±18.38; p=0.010). SD1/SD2 (0.30±0.11 vs. 0.28±0.07; p=0.605) were not significantly different between groups. Patients with COPD presented a visual analysis of Poincaré plot of lower dispersion of RR intervals both beat to beat and the long term. CONCLUSION Subjects with COPD present reduction of geometric indexes of HRV, indicating reduced heart rate variability.
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