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Afonso J, Andrade R, Rocha-Rodrigues S, Nakamura FY, Sarmento H, Freitas SR, Silva AF, Laporta L, Abarghoueinejad M, Akyildiz Z, Chen R, Pizarro A, Ramirez-Campillo R, Clemente FM. What We Do Not Know About Stretching in Healthy Athletes: A Scoping Review with Evidence Gap Map from 300 Trials. Sports Med 2024; 54:1517-1551. [PMID: 38457105 PMCID: PMC11239752 DOI: 10.1007/s40279-024-02002-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Stretching has garnered significant attention in sports sciences, resulting in numerous studies. However, there is no comprehensive overview on investigation of stretching in healthy athletes. OBJECTIVES To perform a systematic scoping review with an evidence gap map of stretching studies in healthy athletes, identify current gaps in the literature, and provide stakeholders with priorities for future research. METHODS Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 and PRISMA-ScR guidelines were followed. We included studies comprising healthy athletes exposed to acute and/or chronic stretching interventions. Six databases were searched (CINAHL, EMBASE, PubMed, Scopus, SPORTDiscus, and Web of Science) until 1 January 2023. The relevant data were narratively synthesized; quantitative data summaries were provided for key data items. An evidence gap map was developed to offer an overview of the existing research and relevant gaps. RESULTS Of ~ 220,000 screened records, we included 300 trials involving 7080 athletes [mostly males (~ 65% versus ~ 20% female, and ~ 15% unreported) under 36 years of age; tiers 2 and 3 of the Participant Classification Framework] across 43 sports. Sports requiring extreme range of motion (e.g., gymnastics) were underrepresented. Most trials assessed the acute effects of stretching, with chronic effects being scrutinized in less than 20% of trials. Chronic interventions averaged 7.4 ± 5.1 weeks and never exceeded 6 months. Most trials (~ 85%) implemented stretching within the warm-up, with other application timings (e.g., post-exercise) being under-researched. Most trials examined static active stretching (62.3%), followed by dynamic stretching (38.3%) and proprioceptive neuromuscular facilitation (PNF) stretching (12.0%), with scarce research on alternative methods (e.g., ballistic stretching). Comparators were mostly limited to passive controls, with ~ 25% of trials including active controls (e.g., strength training). The lower limbs were primarily targeted by interventions (~ 75%). Reporting of dose was heterogeneous in style (e.g., 10 repetitions versus 10 s for dynamic stretching) and completeness of information (i.e., with disparities in the comprehensiveness of the provided information). Most trials (~ 90%) reported performance-related outcomes (mainly strength/power and range of motion); sport-specific outcomes were collected in less than 15% of trials. Biomechanical, physiological, and neural/psychological outcomes were assessed sparsely and heterogeneously; only five trials investigated injury-related outcomes. CONCLUSIONS There is room for improvement, with many areas of research on stretching being underexplored and others currently too heterogeneous for reliable comparisons between studies. There is limited representation of elite-level athletes (~ 5% tier 4 and no tier 5) and underpowered sample sizes (≤ 20 participants). Research was biased toward adult male athletes of sports not requiring extreme ranges of motion, and mostly assessed the acute effects of static active stretching and dynamic stretching during the warm-up. Dose-response relationships remain largely underexplored. Outcomes were mostly limited to general performance testing. Injury prevention and other effects of stretching remain poorly investigated. These relevant research gaps should be prioritized by funding policies. REGISTRATION OSF project ( https://osf.io/6auyj/ ) and registration ( https://osf.io/gu8ya ).
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Affiliation(s)
- José Afonso
- Faculty of Sport, Centre of Research, Education, Innovation, and Intervention in Sport (CIFI2D), University of Porto, Porto, Portugal.
| | - Renato Andrade
- Clínica Espregueira-FIFA Medical Centre of Excellence, Porto, Portugal
- Dom Henrique Research Centre, Porto, Portugal
- Porto Biomechanics Laboratory (LABIOMEP), University of Porto, Porto, Portugal
| | - Sílvia Rocha-Rodrigues
- Escola Superior de Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Alvares, 4900-347, Viana do Castelo, Portugal
- Tumour and Microenvironment Interactions Group, INEB-Institute of Biomedical Engineering, i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 4200-153, Porto, Portugal
- Sport Physical Activity and Health Research & Innovation Center, 4900-347, Viana do Castelo, Portugal
| | - Fábio Yuzo Nakamura
- Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD), University of Maia, Maia, Portugal
| | - Hugo Sarmento
- University of Coimbra, Research Unit for Sport and Physical Activity (CIDAF), Faculty of Sport Sciences and Physical Education, Coimbra, Portugal
| | - Sandro R Freitas
- Laboratório de Função Neuromuscular, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal
| | - Ana Filipa Silva
- Escola Superior de Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Alvares, 4900-347, Viana do Castelo, Portugal
- Sport Physical Activity and Health Research & Innovation Center, 4900-347, Viana do Castelo, Portugal
| | - Lorenzo Laporta
- Núcleo de Estudos em Performance Analysis Esportiva (NEPAE/UFSM), Universidade Federal de Santa Maria, Avenida Roraima, nº 1000, Cidade Universitária, Bairro Camobi, Santa Maria, RS, CEP: 97105-900, Brazil
| | | | - Zeki Akyildiz
- Sports Science Faculty, Department of Coaching Education, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Rongzhi Chen
- Faculty of Sport, Centre of Research, Education, Innovation, and Intervention in Sport (CIFI2D), University of Porto, Porto, Portugal
| | - Andreia Pizarro
- Faculty of Sport, Research Center in Physical Activity, Health and Leisure (CIAFEL), University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Rua das Taipas, 135, 4050-600, Porto, Portugal
| | - Rodrigo Ramirez-Campillo
- Exercise and Rehabilitation Sciences Institute, School of Physical Therapy. Faculty of Rehabilitation Sciences, Universidad Andres Bello, 7591538, Santiago, Chile
| | - Filipe Manuel Clemente
- Escola Superior de Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Alvares, 4900-347, Viana do Castelo, Portugal
- Sport Physical Activity and Health Research & Innovation Center, 4900-347, Viana do Castelo, Portugal
- Gdańsk University of Physical Education and Sport, 80-336, Gdańsk, Poland
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Chiu HY, Su IW, Yu YW, Chen YC, Chen CC, Lin JH. Soreness or sng: a common symptom with differential clinical impact from pain in degenerative lumbar spine diseases. BMJ Open Qual 2023; 12:e001982. [PMID: 36690383 PMCID: PMC9872478 DOI: 10.1136/bmjoq-2022-001982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 01/06/2023] [Indexed: 01/25/2023] Open
Abstract
INTRODUCTION Soreness is a common complaint in patients who receive lumbar spine surgery (LSS) for degenerative lumbar spine diseases (DLSD). However, soreness is not assessed independently and its impacts on outcomes of LSS remains largely unknown. Sng(pronounced sә-ng, ) in Chinese language is the word with the closest meaning to soreness, and Chinese-speaking people naturally use sng to describe their non-pain 'soreness' symptom. This study was aimed to investigate the prevalence and impacts of soreness or sng on outcome of LSS by introducing Visual Analogue Scale (VAS) of sng on back and leg. MATERIALS AND METHODS This prospective cohort study recruited patients who receive LSS for DLSD. Participants completed the patient-reported outcome measures at 1 week before and 1 years after LSS. The patient-reported outcome measures included (1) VAS for back pain, leg pain, back sng and leg sng, (2) Oswestry Disability Index (ODI) and (3) RAND 36-item Short Form Health Survey. The minimal clinical important difference (MCID) of ODI and physical component health-related quality of life (HRQoL) was used. RESULTS A total of 258 consecutive patients were included and 50 dropped out at follow-up. Preoperatively, the prevalence of sng was comparable to pain both on back and leg; postoperatively, the prevalence of sng was higher than pain. Leg and back sng were associated with preoperative and postoperative mental HRQoL, respectively. The reduction of sng on back and leg were significantly less than pain postoperatively. Leg sng was the only symptom independently associated with attaining MCID. CONCLUSION Soreness or sng should be assessed independently from pain in patients receiving LSS for DLSD because soreness or sng had substantial clinical impacts on the outcome of LSS.
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Affiliation(s)
- Hsiao-Yen Chiu
- School of Nursing, Taipei Medical University, Taipei, Taiwan
- Department of Nursing, Taipei Medical University Hospital, Taipei, Taiwan
| | - I-Wen Su
- Neurobiology & Cognitive Science Center, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Brain and Mind Sciences, National Taiwan University, Taipei City, Taiwan
- Graduate Institute of Linguistics, National Taiwan University, Taipei City, Taiwan
| | - Yu-Wen Yu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- Neuroscience research center, Taipei Medical University, Taipei, Taiwan
| | - Yi-Chen Chen
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei, Taiwan
| | - Chih-Cheng Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- Neuroscience research center, Taipei Medical University, Taipei, Taiwan
| | - Jiann-Her Lin
- Neuroscience research center, Taipei Medical University, Taipei, Taiwan
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei, Taiwan
- Division of Neurosurgery, Department of Surgery, School of Medicine, Taipei Medical University, Taipei, Taiwan
- Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan
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3
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Pernigoni M, Conte D, Calleja-González J, Boccia G, Romagnoli M, Ferioli D. The Application of Recovery Strategies in Basketball: A Worldwide Survey. Front Physiol 2022; 13:887507. [PMID: 35784884 PMCID: PMC9243427 DOI: 10.3389/fphys.2022.887507] [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: 03/01/2022] [Accepted: 05/17/2022] [Indexed: 11/22/2022] Open
Abstract
The purpose of this study was to assess the perceived usefulness, actual use and barriers to the implementation of recovery strategies among basketball practitioners. 107 participants (strength and conditioning coaches, sport scientists, performance specialists) from different countries and competitive levels completed an online survey. Most participants rated recovery strategies as either extremely (46%) or very important (49%). Active recovery, massage, foam rolling, and stretching were perceived as most useful (80, 73, 72 and 59% of participants, respectively) and were most frequently adopted (68, 61, 72 and 67%, respectively). Participants mentioned lack of devices and facilities (51%), excessive cost (51%), lack of time (27%), players’ negative perception (25%) and lack of sufficient evidence (16%) as barriers to the implementation of recovery strategies. The present findings reveal that some dissociation between scientific evidence and perceived effectiveness was present among the study participants. A possible solution would be to ensure that scientific evidence-based guidelines are followed when considering the application of recovery strategies. Regarding actual use, participants favored easily implementable strategies (e.g. active recovery, stretching), rather than evidence-supported, but expensive and/or impractical strategies (e.g. whole-body cryotherapy). Possible solutions may include the use of practical tools that don’t need specific facilities, the development and validation of new low-cost recovery devices, the promotion of players education regarding recovery strategies, and conducting further research to increase the scientific knowledge in the area.
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Affiliation(s)
- Marco Pernigoni
- Department of Coaching Science, Lithuanian Sports University, Kaunas, Lithuania
| | - Daniele Conte
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
| | - Julio Calleja-González
- Department of Physical Education and Sport, Faculty of Education and Sport, University of the Basque Country (UPV/EHU), Vitoria, Spain
| | - Gennaro Boccia
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Marco Romagnoli
- Faculty of Science of Physical Education and Sport, University of Valencia, Valencia, Spain
| | - Davide Ferioli
- UCAM Research Center for High Performance Sport, Catholic University of Murcia, Murcia, Spain
- *Correspondence: Davide Ferioli,
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Evidence‐Based Recovery in Soccer – Low‐Effort Approaches for Practitioners. J Hum Kinet 2022; 82:75-99. [PMID: 36196351 PMCID: PMC9465732 DOI: 10.2478/hukin-2022-0082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Strategies to improve recovery are widely used among soccer players at both amateur and professional levels. Sometimes, however, recovery strategies are ineffective, improperly timed or even harmful to players. This highlights the need to educate practitioners and athletes about the scientific evidence of recovery strategies as well as to provide practical approaches to address this issue. Therefore, recent surveys among soccer athletes and practitioners were reviewed to identify the recovery modalities currently in use. Each strategy was then outlined with its rationale, its physiological mechanisms and the scientific evidence followed by practical approaches to implement the modality. For each intervention, practical and particularly low-effort strategies are provided to ensure that practitioners at all levels are able to implement them. We identified numerous interventions regularly used in soccer, i.e., sleep, rehydration, nutrition, psychological recovery, active recovery, foam-rolling/massage, stretching, cold-water immersion, and compression garments. Nutrition and rehydration were classified with the best evidence, while cold-water immersion, compression garments, foam-rolling/massage and sleep were rated with moderate evidence to enhance recovery. The remaining strategies (active recovery, psychological recovery, stretching) should be applied on an individual basis due to weak evidence observed. Finally, a guide is provided, helping practitioners to decide which intervention to implement. Here, practitioners should rely on the evidence, but also on their own experience and preference of the players.
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Kasahara K, Yoshida R, Yahata K, Sato S, Murakami Y, Aizawa K, Konrad A, Nakamura M. Comparison of the Acute Effects of Foam Rolling with High and Low Vibration Frequencies on Eccentrically Damaged Muscle. J Sports Sci Med 2022; 21:112-119. [PMID: 35250340 PMCID: PMC8851125 DOI: 10.52082/jssm.2022.112] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/13/2022] [Indexed: 12/24/2022]
Abstract
Previous research has shown that vibration foam rolling (VFR) on damaged muscle shows greater improvement in muscle soreness and range of motion (ROM) compared with foam rolling (FR) without vibration. However, the effect of frequency in VFR on muscle soreness and loss of function caused by damaged muscles is unknown. The purpose of this study was to compare the acute effects of 90-s low-frequency (LF)- and high-frequency (HF)-VFR intervention on ROM, muscle soreness, muscle strength, and performance of eccentrically damaged muscle. Study participants were sedentary healthy adult volunteers (n = 28) who performed a bout of eccentric exercise of the knee extensors with the dominant leg and received 90-s LF-VFR or HF-VFR intervention of the quadriceps 48 h after the eccentric exercise. The dependent variables were measured before the eccentric exercise (baseline) and before (pre-intervention) and after VFR intervention (post-intervention) 48 h after the eccentric exercise. The results showed that both LF-VFR and HF-VFR similarly (p < 0.05) improved the knee flexion ROM (11.3 ± 7.2%), muscle soreness at palpation (-37.9 ± 17.2%), and countermovement jump height (12.4 ± 12.9%). It was concluded that it was not necessary to perform VFR with a high frequency to improve muscle soreness and function.
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Affiliation(s)
- Kazuki Kasahara
- Department of Physical Therapy, Niigata University of Health and Welfare, Niigata, Japan
| | - Riku Yoshida
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - Kaoru Yahata
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - Shigeru Sato
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
- Department of Rehabilitation, Matsumura General Hospital 1-1 Kotaroumachi, Taira, Iwaki City, Fukushima, Japan
| | - Yuta Murakami
- Department of Physical Therapy, Niigata University of Health and Welfare, Niigata, Japan
| | - Kodai Aizawa
- Department of Physical Therapy, Niigata University of Health and Welfare, Niigata, Japan
| | - Andreas Konrad
- Institute of Human Movement Science, Sport and Health, Graz University, Graz, Austria
| | - Masatoshi Nakamura
- Department of Physical Therapy, Niigata University of Health and Welfare, Niigata, Japan
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
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6
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Exploring Shank Circumference by Stretching after Training among Volleyball Players. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168849. [PMID: 34444598 PMCID: PMC8392235 DOI: 10.3390/ijerph18168849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/06/2021] [Accepted: 08/20/2021] [Indexed: 12/23/2022]
Abstract
This preliminary study examined the effects of a stretching intervention after training and its duration (15 vs. 30 min) on participants’ shank circumference (SC) reduction and subjective discomfort score. Ten male volleyball players underwent a routine 3 h training. A two-way analysis of variance revealed that the stretching intervention had significant effects on SC reduction (p < 0.01) and subjective discomfort scores (p < 0.001). Stretching after training could help eliminate shank strain, and a slighter discomfort in shanks when stretching was also seen (score, 20.1/100). An independent-samples t test revealed a significantly higher SC reduction (p < 0.01) with 30 min of stretching (5.6 mm) than with 15 min of stretching (2.7 mm); both stretching durations reduced SC significantly more than the no-stretching condition did. The findings of this study can serve as a reference for volleyball players to alleviate shank strain after daily routine training.
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7
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Afonso J, Olivares-Jabalera J, Andrade R. Time to Move From Mandatory Stretching? We Need to Differentiate "Can I?" From "Do I Have To?". Front Physiol 2021; 12:714166. [PMID: 34366900 PMCID: PMC8340604 DOI: 10.3389/fphys.2021.714166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 06/27/2021] [Indexed: 12/13/2022] Open
Affiliation(s)
- José Afonso
- Faculty of Sport of the University of Porto (FADEUP), Centre for Research, Education, Innovation and Intervention in Sport (CIFI2D), Porto, Portugal
| | - Jesús Olivares-Jabalera
- Sport Research Lab, Football Science Institute, Granada, Spain.,Department of Physical and Sports Education, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
| | - Renato Andrade
- Clínica do Dragão, Espregueira-Mendes Sports Centre - FIFA Medical Centre of Excellence, Porto, Portugal.,Dom Henrique Research Centre, Porto, Portugal.,Porto Biomechanics Laboratory (LABIOMEP), Faculty of Sport, University of Porto, Porto, Portugal
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8
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Iversen VM, Norum M, Schoenfeld BJ, Fimland MS. No Time to Lift? Designing Time-Efficient Training Programs for Strength and Hypertrophy: A Narrative Review. Sports Med 2021; 51:2079-2095. [PMID: 34125411 PMCID: PMC8449772 DOI: 10.1007/s40279-021-01490-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2021] [Indexed: 02/02/2023]
Abstract
Abstract Lack of time is among the more commonly reported barriers for abstention from exercise programs. The aim of this review was to determine how strength training can be most effectively carried out in a time-efficient manner by critically evaluating research on acute training variables, advanced training techniques, and the need for warm-up and stretching. When programming strength training for optimum time-efficiency we recommend prioritizing bilateral, multi-joint exercises that include full dynamic movements (i.e. both eccentric and concentric muscle actions), and to perform a minimum of one leg pressing exercise (e.g. squats), one upper-body pulling exercise (e.g. pull-up) and one upper-body pushing exercise (e.g. bench press). Exercises can be performed with machines and/or free weights based on training goals, availability, and personal preferences. Weekly training volume is more important than training frequency and we recommend performing a minimum of 4 weekly sets per muscle group using a 6–15 RM loading range (15–40 repetitions can be used if training is performed to volitional failure). Advanced training techniques, such as supersets, drop sets and rest-pause training roughly halves training time compared to traditional training, while maintaining training volume. However, these methods are probably better at inducing hypertrophy than muscular strength, and more research is needed on longitudinal training effects. Finally, we advise restricting the warm-up to exercise-specific warm-ups, and only prioritize stretching if the goal of training is to increase flexibility. This review shows how acute training variables can be manipulated, and how specific training techniques can be used to optimize the training response: time ratio in regard to improvements in strength and hypertrophy. Graphic Abstract ![]()
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Affiliation(s)
- Vegard M Iversen
- Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway. .,Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.
| | - Martin Norum
- Independent Researcher, Norum Helse AS, Oslo, Norway
| | | | - Marius S Fimland
- Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Unicare Helsefort Rehabilitation Centre, Rissa, Norway
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9
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Afonso J, Clemente FM, Nakamura FY, Morouço P, Sarmento H, Inman RA, Ramirez-Campillo R. The Effectiveness of Post-exercise Stretching in Short-Term and Delayed Recovery of Strength, Range of Motion and Delayed Onset Muscle Soreness: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Front Physiol 2021; 12:677581. [PMID: 34025459 PMCID: PMC8133317 DOI: 10.3389/fphys.2021.677581] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/06/2021] [Indexed: 12/16/2022] Open
Abstract
Background: Post-exercise (i.e., cool-down) stretching is commonly prescribed for improving recovery of strength and range of motion (ROM) and diminishing delayed onset muscular soreness (DOMS) after physical exertion. However, the question remains if post-exercise stretching is better for recovery than other post-exercise modalities. Objective: To provide a systematic review and meta-analysis of supervised randomized-controlled trials (RCTs) on the effects of post-exercise stretching on short-term (≤1 h after exercise) and delayed (e.g., ≥24 h) recovery makers (i.e., DOMS, strength, ROM) in comparison with passive recovery or alternative recovery methods (e.g., low-intensity cycling). Methods: This systematic review followed PRISMA guidelines (PROSPERO CRD42020222091). RCTs published in any language or date were eligible, according to P.I.C.O.S. criteria. Searches were performed in eight databases. Risk of bias was assessed using Cochrane RoB 2. Meta-analyses used the inverse variance random-effects model. GRADE was used to assess the methodological quality of the studies. Results: From 17,050 records retrieved, 11 RCTs were included for qualitative analyses and 10 for meta-analysis (n = 229 participants; 17–38 years, mostly males). The exercise protocols varied between studies (e.g., cycling, strength training). Post-exercise stretching included static stretching, passive stretching, and proprioceptive neuromuscular facilitation. Passive recovery (i.e., rest) was used as comparator in eight studies, with additional recovery protocols including low intensity cycling or running, massage, and cold-water immersion. Risk of bias was high in ~70% of the studies. Between-group comparisons showed no effect of post-exercise stretching on strength recovery (ES = −0.08; 95% CI = −0.54–0.39; p = 0.750; I2 = 0.0%; Egger's test p = 0.531) when compared to passive recovery. In addition, no effect of post-exercise stretching on 24, 48, or 72-h post-exercise DOMS was noted when compared to passive recovery (ES = −0.09 to −0.24; 95% CI = −0.70–0.28; p = 0.187–629; I2 = 0.0%; Egger's test p = 0.165–0.880). Conclusion: There wasn't sufficient statistical evidence to reject the null hypothesis that stretching and passive recovery have equivalent influence on recovery. Data is scarce, heterogeneous, and confidence in cumulative evidence is very low. Future research should address the limitations highlighted in our review, to allow for more informed recommendations. For now, evidence-based recommendations on whether post-exercise stretching should be applied for the purposes of recovery should be avoided, as the (insufficient) data that is available does not support related claims. Systematic Review Registration: PROSPERO, identifier: CRD42020222091.
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Affiliation(s)
- José Afonso
- Centre for Research, Education, Innovation and Intervention in Sport, Faculty of Sport of the University of Porto, Porto, Portugal
| | - Filipe Manuel Clemente
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Álvares, Viana do Castelo, Portugal.,Instituto de Telecomunicações, Delegação da Covilhã, Covilhã, Portugal
| | - Fábio Yuzo Nakamura
- Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD), University Institute of Maia (ISMAI), Maia, Portugal.,Associate Graduate Program in Physical Education Universidade de Pernambuco (UPE)/Universidade Federal da Paraíba (UFPB), João Pessoa, Brazil
| | - Pedro Morouço
- Superior School of Education and Social Sciences, Polytechnic of Leiria, Leiria, Portugal
| | - Hugo Sarmento
- Research Unit for Sport and Physical Activity (CIDAF), Faculty of Sport Sciences and Physical Education, University of Coimbra, Coimbra, Portugal
| | - Richard A Inman
- The Psychology for Positive Development Research Center (CIPD), Universidade Lusíada, Porto, Portugal
| | - Rodrigo Ramirez-Campillo
- Human Performance Laboratory, Department of Physical Activity Sciences, Universidad de Los Lagos, Osorno, Chile.,Centro de Investigación en Fisiología del Ejercicio, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
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10
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Muanjai P, Mickevicius M, Snieckus A, Jones DA, Zachovajevas P, Satkunskiene D, Venckunas T, Kamandulis S. Response of Knee Extensor Muscle-Tendon Unit Stiffness to Unaccustomed and Repeated High-Volume Eccentric Exercise. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18094510. [PMID: 33922796 PMCID: PMC8122999 DOI: 10.3390/ijerph18094510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/16/2021] [Accepted: 04/22/2021] [Indexed: 12/20/2022]
Abstract
The purposes of this study were to investigate the muscle-tendon unit stiffness response and to compare the stiffness with those of other indirect markers induced by two bouts of unaccustomed eccentric exercise. Eleven untrained men performed two bouts of 200 maximal eccentric contractions of the right quadriceps 4 weeks apart. Changes in stiffness, pain evoked by stretching and pressure, plasma creatine kinase (CK) activity, and muscle thickness were followed for 7 days after each bout. Stiffness and pain peaked immediately and 1 day after the first exercise bout, whereas CK and thickness were highest 4 and 7 days after the first exercise bout, respectively (p < 0.05 for all). Muscular pain, thickness, and stiffness responses were lower by 53.3%, 99%, and 11.6%, respectively, after the repeated bout compared to after the first bout (p < 0.05 for all), while CK activity response did not differ significantly between bouts. High responders for an increase in muscle-tendon unit stiffness showed a repeated-bout effect for stiffness, pain, and CK activity (by 29%, 65%, and 98%, p < 0.05 for all), but the repeated-bout effect was not that clear in low responders. These findings suggest that a repeated eccentric exercise bout effect on stiffness in quadriceps is mostly not associated with muscle pain and CK activity, but there are large individual differences.
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Affiliation(s)
- Pornpimol Muanjai
- Department of Physical Therapy, Allied Health Sciences Faculty, Burapha University, Chonburi 20131, Thailand
- Exercise and Nutrition Innovation and Sciences Research Unit, Burapha University, Chonburi 20131, Thailand
- Correspondence:
| | - Mantas Mickevicius
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania; (M.M.); (A.S.); (D.A.J.); (D.S.); (T.V.); (S.K.)
| | - Audrius Snieckus
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania; (M.M.); (A.S.); (D.A.J.); (D.S.); (T.V.); (S.K.)
| | - David A. Jones
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania; (M.M.); (A.S.); (D.A.J.); (D.S.); (T.V.); (S.K.)
- School of Healthcare Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK
| | - Pavelas Zachovajevas
- Department of Applied Biology and Rehabilitation, Lithuanian Sports University, 44221 Kaunas, Lithuania;
| | - Danguole Satkunskiene
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania; (M.M.); (A.S.); (D.A.J.); (D.S.); (T.V.); (S.K.)
| | - Tomas Venckunas
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania; (M.M.); (A.S.); (D.A.J.); (D.S.); (T.V.); (S.K.)
| | - Sigitas Kamandulis
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania; (M.M.); (A.S.); (D.A.J.); (D.S.); (T.V.); (S.K.)
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A Survey on Stretching Practices in Women and Men from Various Sports or Physical Activity Programs. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18083928. [PMID: 33918033 PMCID: PMC8068839 DOI: 10.3390/ijerph18083928] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 12/12/2022]
Abstract
Recommendations for prescribing stretching exercises are regularly updated. It appears that coaches progressively follow the published guidelines, but the real stretching practices of athletes are unknown. The present study aimed to investigate stretching practices in individuals from various sports or physical activity programs. A survey was completed online to determine some general aspects of stretching practices. The survey consisted of 32 multiple-choice or open-ended questions to illustrate the general practices of stretching, experiences and reasons for stretching. In total, 3546 questionnaires were analyzed (47.3% women and 52.7% men). Respondents practiced at the national/international level (25.2%), regional level (29.8%), or recreationally (44.9%). Most respondents (89.3%) used stretching for recovery (74.9%) or gains of flexibility (57.2%). Stretching was generally performed after training (72.4%). The respondents also indicated they performed stretching as a pre-exercise routine (for warm-up: 49.9%). Static stretching was primarily used (88.2%) but when applied for warm-up reasons, respondents mostly indicated performing dynamic stretching (86.2%). Only 37.1% of the respondents indicated being supervised. Finally, some gender and practice level differences were noticed. The present survey revealed that the stretching practices were only partly in agreement with recent evidence-based recommendations. The present survey also pointed out the need to improve the supervision of stretching exercises.
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Abstract
Flexibility refers to the intrinsic properties of body tissues that determine maximal joint range of motion without causing injury. For many years, flexibility has been classified by the American College of Sports Medicine as a major component of physical fitness. The notion flexibility is important for fitness has also led to the idea static stretching should be prescribed to improve flexibility. The current paper proposes flexibility be retired as a major component of physical fitness, and consequently, stretching be de-emphasized as a standard component of exercise prescriptions for most populations. First, I show flexibility has little predictive or concurrent validity with health and performance outcomes (e.g., mortality, falls, occupational performance) in apparently healthy individuals, particularly when viewed in light of the other major components of fitness (i.e., body composition, cardiovascular endurance, muscle endurance, muscle strength). Second, I explain that if flexibility requires improvement, this does not necessitate a prescription of stretching in most populations. Flexibility can be maintained or improved by exercise modalities that cause more robust health benefits than stretching (e.g., resistance training). Retirement of flexibility as a major component of physical fitness will simplify fitness batteries; save time and resources dedicated to flexibility instruction, measurement, and evaluation; and prevent erroneous conclusions about fitness status when interpreting flexibility scores. De-emphasis of stretching in exercise prescriptions will ensure stretching does not negatively impact other exercise and does not take away from time that could be allocated to training activities that have more robust health and performance benefits.
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Affiliation(s)
- James L Nuzzo
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia, 2031.
- School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.
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Posadzki P, Pieper D, Bajpai R, Makaruk H, Könsgen N, Neuhaus AL, Semwal M. Exercise/physical activity and health outcomes: an overview of Cochrane systematic reviews. BMC Public Health 2020; 20:1724. [PMID: 33198717 PMCID: PMC7670795 DOI: 10.1186/s12889-020-09855-3] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 11/08/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Sedentary lifestyle is a major risk factor for noncommunicable diseases such as cardiovascular diseases, cancer and diabetes. It has been estimated that approximately 3.2 million deaths each year are attributable to insufficient levels of physical activity. We evaluated the available evidence from Cochrane systematic reviews (CSRs) on the effectiveness of exercise/physical activity for various health outcomes. METHODS Overview and meta-analysis. The Cochrane Library was searched from 01.01.2000 to issue 1, 2019. No language restrictions were imposed. Only CSRs of randomised controlled trials (RCTs) were included. Both healthy individuals, those at risk of a disease, and medically compromised patients of any age and gender were eligible. We evaluated any type of exercise or physical activity interventions; against any types of controls; and measuring any type of health-related outcome measures. The AMSTAR-2 tool for assessing the methodological quality of the included studies was utilised. RESULTS Hundred and fifty CSRs met the inclusion criteria. There were 54 different conditions. Majority of CSRs were of high methodological quality. Hundred and thirty CSRs employed meta-analytic techniques and 20 did not. Limitations for studies were the most common reasons for downgrading the quality of the evidence. Based on 10 CSRs and 187 RCTs with 27,671 participants, there was a 13% reduction in mortality rates risk ratio (RR) 0.87 [95% confidence intervals (CI) 0.78 to 0.96]; I2 = 26.6%, [prediction interval (PI) 0.70, 1.07], median effect size (MES) = 0.93 [interquartile range (IQR) 0.81, 1.00]. Data from 15 CSRs and 408 RCTs with 32,984 participants showed a small improvement in quality of life (QOL) standardised mean difference (SMD) 0.18 [95% CI 0.08, 0.28]; I2 = 74.3%; PI -0.18, 0.53], MES = 0.20 [IQR 0.07, 0.39]. Subgroup analyses by the type of condition showed that the magnitude of effect size was the largest among patients with mental health conditions. CONCLUSION There is a plethora of CSRs evaluating the effectiveness of physical activity/exercise. The evidence suggests that physical activity/exercise reduces mortality rates and improves QOL with minimal or no safety concerns. TRIAL REGISTRATION Registered in PROSPERO ( CRD42019120295 ) on 10th January 2019.
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Affiliation(s)
- Pawel Posadzki
- Kleijnen Systematic Reviews Ltd., York, UK
- Nanyang Technological University, Singapore, Singapore
| | - Dawid Pieper
- Institute for Research in Operative Medicine, Witten/Herdecke University, Witten, Germany.
| | - Ram Bajpai
- School of Medicine, Keele University, Staffordshire, UK
| | - Hubert Makaruk
- Jozef Pilsudski University of Physical Education in Warsaw, Faculty Physical Education and Health, Biala Podlaska, Poland
| | - Nadja Könsgen
- Institute for Research in Operative Medicine, Witten/Herdecke University, Witten, Germany
| | - Annika Lena Neuhaus
- Institute for Research in Operative Medicine, Witten/Herdecke University, Witten, Germany
| | - Monika Semwal
- Health Outcomes Division, University of Texas at Austin College of Pharmacy, Austin, USA
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Omega-3 Polyunsaturated Fatty Acid Supplementation for Reducing Muscle Soreness after Eccentric Exercise: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8062017. [PMID: 32382573 PMCID: PMC7195643 DOI: 10.1155/2020/8062017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 01/17/2023]
Abstract
Purpose This systematic review and meta-analysis was performed to determine the effectiveness of Omega-3 polyunsaturated fatty acid (n‐3 PUFA) supplement on muscle soreness after eccentric exercise. Methods PubMed, EMBASE, CENTRAL, and ISI Web of Science were searched to identify randomized controlled trials (RCTs) that assessed the efficacy of n‐3 PUFA on muscle soreness after eccentric exercise. Mean difference (MD) and the associated 95% confidence interval (95% CI) were calculated by RevMan 5.3 to indicate delayed onset muscle soreness (DOMS) that measured two days after eccentric trainings. Subgroup analyses according to duration and daily dosage of n‐3 PUFA supplements before eccentric exercises were performed to determine whether these factors will influence the overall effect size. The Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach was used to evaluate the certainty of evidence. The protocol of this systematic review and meta-analysis was registered at PROSPERO (CRD42018085869). Results 12 RCTs containing 145 subjects and 156 controls were included in this study. Meta-analysis revealed a significantly decreased DOMS (MD -0.93; 95% CI -1.44, -0.42; P = 0.0004) in n‐3 PUFA supplement groups, while no significant differences in isometric muscle strength and range of motion (ROM) were detected. However, the pooled effect size for DOMS was lower than the minimal clinically important difference (MCID) of 1.4 on the 10-unit VAS, suggesting that the effect size of less muscle soreness with n‐3 PUFA supplements did not appear to be clinically relevant. Conclusion There is low-quality evidence that n‐3 PUFA supplementation does not result in a clinically important reduction of muscle soreness after eccentric exercise. Isometric muscle soreness and range of motion were not improved by n‐3 PUFA supplementation either (low-quality evidence). To further elucidate the overall role of n‐3 PUFA on muscle damage in this area, large-scale RCTs are still needed.
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Støve MP, Hirata RP, Palsson TS. Muscle stretching - the potential role of endogenous pain inhibitory modulation on stretch tolerance. Scand J Pain 2020; 19:415-422. [PMID: 30699073 DOI: 10.1515/sjpain-2018-0334] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 12/18/2018] [Indexed: 11/15/2022]
Abstract
Background and aims The effect of stretching on joint range of motion is well documented and is primarily related to changes in the tolerance to stretch, but the mechanisms underlying this change are still largely unknown. The aim of this study was to investigate the influence of a remote, painful stimulus on stretch tolerance. Methods Thirty-four healthy male subjects were recruited and randomly assigned to an experimental pain group (n=17) or a control group (n=17). Passive knee extension range of motion, the activity of hamstring muscles and passive resistive torque were measured with subjects in a seated position. Three consecutive measures were performed with a 5-min interval between. A static stretch protocol was utilized in both groups to examine the effect of stretching and differences in stretch tolerance between groups. Following this, the pain-group performed a cold pressor test which is known to engage the endogenous pain inhibitory system after which measurements were repeated. Results A significant increase in knee extension range of motion was found in the pain group compared with controls (ANCOVA: p<0.05). No difference was found in muscle activity or passive resistive torque between groups (ANCOVA p>0.091). Conclusions Passive knee extension range of motion following stretching increased when following a distant, painful stimulus, potentially engaging the endogenous pain inhibitory systems. Current findings indicate a link between increased tolerance to stretch and endogenous pain inhibition. Implications The current findings may have implications for clinical practice as they indicate that a distant painful stimulus can influence range of motion in healthy individuals. This implies that the modulation of pain has significance for the efficacy of stretching which is important knowledge when prescribing stretching as part of rehabilitation.
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Affiliation(s)
- Morten Pallisgaard Støve
- Department of Physiotherapy, University College of Northern Denmark (UCN), Selma Lagerløfs Vej 2, 9220 Aalborg East, Denmark, Phone: 004522980862
| | - Rogerio Pessoto Hirata
- SMI® , Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg East, Denmark
| | - Thorvaldur Skuli Palsson
- SMI® , Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg East, Denmark
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Quentric P, Michelin P, Lévesque H, Miranda S. Une cause inhabituelle d’œdème du membre supérieur. Rev Med Interne 2019; 40:769-770. [DOI: 10.1016/j.revmed.2019.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 02/10/2019] [Indexed: 11/27/2022]
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Jaschinski T, Mosch CG, Eikermann M, Neugebauer EAM, Sauerland S. Laparoscopic versus open surgery for suspected appendicitis. Cochrane Database Syst Rev 2018; 11:CD001546. [PMID: 30484855 PMCID: PMC6517145 DOI: 10.1002/14651858.cd001546.pub4] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND The removal of the acute appendix is one of the most frequently performed surgical procedures. Open surgery associated with therapeutic efficacy has been the treatment of choice for acute appendicitis. However, in consequence of the evolution of endoscopic surgery, the operation can also be performed with minimally invasive surgery. Due to smaller incisions, the laparoscopic approach may be associated with reduced postoperative pain, reduced wound infection rate, and shorter time until return to normal activity.This is an update of the review published in 2010. OBJECTIVES To compare the effects of laparoscopic appendectomy (LA) and open appendectomy (OA) with regard to benefits and harms. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL), Ovid MEDLINE and Embase (9 February 2018). We identified proposed and ongoing studies from World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP), ClinicalTrials.gov and EU Clinical Trials Register (9 February 2018). We handsearched reference lists of identified studies and the congress proceedings of endoscopic surgical societies. SELECTION CRITERIA We included randomised controlled trials (RCTs) comparing LA versus OA in adults or children. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies, assessed the risk of bias, and extracted data. We performed the meta-analyses using Review Manager 5. We calculated the Peto odds ratio (OR) for very rare outcomes, and the mean difference (MD) for continuous outcomes (or standardised mean differences (SMD) if researchers used different scales such as quality of life) with 95% confidence intervals (CI). We used GRADE to rate the quality of the evidence. MAIN RESULTS We identified 85 studies involving 9765 participants. Seventy-five trials included 8520 adults and 10 trials included 1245 children. Most studies had risk of bias issues, with attrition bias being the largest source across studies due to incomplete outcome data.In adults, pain intensity on day one was reduced by 0.75 cm on a 10 cm VAS after LA (MD -0.75, 95% CI -1.04 to -0.45; 20 RCTs; 2421 participants; low-quality evidence). Wound infections were less likely after LA (Peto OR 0.42, 95% CI 0.35 to 0.51; 63 RCTs; 7612 participants; moderate-quality evidence), but the incidence of intra-abdominal abscesses was increased following LA (Peto OR 1.65, 95% CI 1.12 to 2.43; 53 RCTs; 6677 participants; moderate-quality evidence).The length of hospital stay was shortened by one day after LA (MD -0.96, 95% CI -1.23 to -0.70; 46 RCTs; 5127 participant; low-quality evidence). The time until return to normal activity occurred five days earlier after LA than after OA (MD -4.97, 95% CI -6.77 to -3.16; 17 RCTs; 1653 participants; low-quality evidence). Two studies showed better quality of life scores following LA, but used different scales, and therefore no pooled estimates were presented. One used the SF-36 questionnaire two weeks after surgery and the other used the Gastro-intestinal Quality of Life Index six weeks and six months after surgery (both low-quality evidence).In children, we found no differences in pain intensity on day one (MD -0.80, 95% CI -1.65 to 0.05; 1 RCT; 61 participants; low-quality evidence), intra-abdominal abscesses after LA (Peto OR 0.54, 95% CI 0.24 to 1.22; 9 RCTs; 1185 participants; low-quality evidence) or time until return to normal activity (MD -0.50, 95% CI -1.30 to 0.30; 1 RCT; 383 participants; moderate-quality evidence). However, wound infections were less likely after LA (Peto OR 0.25, 95% CI 0.15 to 0.42; 10 RCTs; 1245 participants; moderate-quality evidence) and the length of hospital stay was shortened by 0.8 days after LA (MD -0.81, 95% CI -1.01 to -0.62; 6 RCTs; 316 participants; low-quality evidence). Quality of life was not reported in any of the included studies. AUTHORS' CONCLUSIONS Except for a higher rate of intra-abdominal abscesses after LA in adults, LA showed advantages over OA in pain intensity on day one, wound infections, length of hospital stay and time until return to normal activity in adults. In contrast, LA showed advantages over OA in wound infections and length of hospital stay in children. Two studies reported better quality of life scores in adults. No study reported this outcome in children. However, the quality of evidence ranged from very low to moderate and some of the clinical effects of LA were small and of limited clinical relevance. Future studies with low risk of bias should investigate, in particular, the quality of life in children.
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Affiliation(s)
- Thomas Jaschinski
- University Witten/HerdeckeInstitute for Research in Operative Medicine (IFOM) ‐ Department for Evidence‐based Health Services ResearchOstmerheimer Str. 200 (Building 38)CologneGermany51109
| | - Christoph G Mosch
- University Witten/HerdeckeInstitute for Research in Operative Medicine (IFOM) ‐ Department for Evidence‐based Health Services ResearchOstmerheimer Str. 200 (Building 38)CologneGermany51109
| | - Michaela Eikermann
- Medical advisory service of social health insurance (MDS)Department of Evidence‐based medicineTheodor‐Althoff‐Straße 47EssenNorth Rhine WestphaliaGermany51109
| | - Edmund AM Neugebauer
- Brandenburg Medical School Theodor Fontane 3Fehrbelliner Str 38NeuruppinBrandenburgGermany16816
| | - Stefan Sauerland
- Institute for Quality and Efficiency in Health Care (IQWiG)Department of Non‐Drug InterventionsIm Mediapark 8CologneGermany50670
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Van Hooren B, Peake JM. Do We Need a Cool-Down After Exercise? A Narrative Review of the Psychophysiological Effects and the Effects on Performance, Injuries and the Long-Term Adaptive Response. Sports Med 2018; 48:1575-1595. [PMID: 29663142 PMCID: PMC5999142 DOI: 10.1007/s40279-018-0916-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
It is widely believed that an active cool-down is more effective for promoting post-exercise recovery than a passive cool-down involving no activity. However, research on this topic has never been synthesized and it therefore remains largely unknown whether this belief is correct. This review compares the effects of various types of active cool-downs with passive cool-downs on sports performance, injuries, long-term adaptive responses, and psychophysiological markers of post-exercise recovery. An active cool-down is largely ineffective with respect to enhancing same-day and next-day(s) sports performance, but some beneficial effects on next-day(s) performance have been reported. Active cool-downs do not appear to prevent injuries, and preliminary evidence suggests that performing an active cool-down on a regular basis does not attenuate the long-term adaptive response. Active cool-downs accelerate recovery of lactate in blood, but not necessarily in muscle tissue. Performing active cool-downs may partially prevent immune system depression and promote faster recovery of the cardiovascular and respiratory systems. However, it is unknown whether this reduces the likelihood of post-exercise illnesses, syncope, and cardiovascular complications. Most evidence indicates that active cool-downs do not significantly reduce muscle soreness, or improve the recovery of indirect markers of muscle damage, neuromuscular contractile properties, musculotendinous stiffness, range of motion, systemic hormonal concentrations, or measures of psychological recovery. It can also interfere with muscle glycogen resynthesis. In summary, based on the empirical evidence currently available, active cool-downs are largely ineffective for improving most psychophysiological markers of post-exercise recovery, but may nevertheless offer some benefits compared with a passive cool-down.
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Affiliation(s)
- Bas Van Hooren
- Department of Nutrition and Movement Sciences, Maastricht University Medical Centre+, NUTRIM School of Nutrition and Translational Research in Metabolism, Universiteitssingel 50, 6229 ER, Maastricht, The Netherlands.
- Institute of Sport Studies, Fontys University of Applied Sciences, Eindhoven, The Netherlands.
| | - Jonathan M Peake
- School of Biomedical Sciences and Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
- Sport Performance Innovation and Knowledge Excellence, Queensland Academy of Sport, Brisbane, Australia
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Dupuy O, Douzi W, Theurot D, Bosquet L, Dugué B. An Evidence-Based Approach for Choosing Post-exercise Recovery Techniques to Reduce Markers of Muscle Damage, Soreness, Fatigue, and Inflammation: A Systematic Review With Meta-Analysis. Front Physiol 2018; 9:403. [PMID: 29755363 PMCID: PMC5932411 DOI: 10.3389/fphys.2018.00403] [Citation(s) in RCA: 149] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 04/04/2018] [Indexed: 12/26/2022] Open
Abstract
Introduction: The aim of the present work was to perform a meta-analysis evaluating the impact of recovery techniques on delayed onset muscle soreness (DOMS), perceived fatigue, muscle damage, and inflammatory markers after physical exercise. Method: Three databases including PubMed, Embase, and Web-of-Science were searched using the following terms: ("recovery" or "active recovery" or "cooling" or "massage" or "compression garment" or "electrostimulation" or "stretching" or "immersion" or "cryotherapy") and ("DOMS" or "perceived fatigue" or "CK" or "CRP" or "IL-6") and ("after exercise" or "post-exercise") for randomized controlled trials, crossover trials, and repeated-measure studies. Overall, 99 studies were included. Results: Active recovery, massage, compression garments, immersion, contrast water therapy, and cryotherapy induced a small to large decrease (-2.26 < g < -0.40) in the magnitude of DOMS, while there was no change for the other methods. Massage was found to be the most powerful technique for recovering from DOMS and fatigue. In terms of muscle damage and inflammatory markers, we observed an overall moderate decrease in creatine kinase [SMD (95% CI) = -0.37 (-0.58 to -0.16), I2 = 40.15%] and overall small decreases in interleukin-6 [SMD (95% CI) = -0.36 (-0.60 to -0.12), I2 = 0%] and C-reactive protein [SMD (95% CI) = -0.38 (-0.59 to-0.14), I2 = 39%]. The most powerful techniques for reducing inflammation were massage and cold exposure. Conclusion: Massage seems to be the most effective method for reducing DOMS and perceived fatigue. Perceived fatigue can be effectively managed using compression techniques, such as compression garments, massage, or water immersion.
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Affiliation(s)
- Olivier Dupuy
- Laboratoire MOVE (EA6314), Faculty of Sport Sciences, University of Poitiers, Poitiers, France
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Apostolopoulos NC, Lahart IM, Plyley MJ, Taunton J, Nevill AM, Koutedakis Y, Wyon M, Metsios GS. The effects of different passive static stretching intensities on recovery from unaccustomed eccentric exercise - a randomized controlled trial. Appl Physiol Nutr Metab 2018. [PMID: 29529387 DOI: 10.1139/apnm-2017-0841] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Effects of passive static stretching intensity on recovery from unaccustomed eccentric exercise of right knee extensors was investigated in 30 recreationally active males randomly allocated into 3 groups: high-intensity (70%-80% maximum perceived stretch), low-intensity (30%-40% maximum perceived stretch), and control. Both stretching groups performed 3 sets of passive static stretching exercises of 60 s each for hamstrings, hip flexors, and quadriceps, over 3 consecutive days, post-unaccustomed eccentric exercise. Muscle function (eccentric and isometric peak torque) and blood biomarkers (creatine kinase and C-reactive protein) were measured before (baseline) and after (24, 48, and 72 h) unaccustomed eccentric exercise. Perceived muscle soreness scores were collected immediately (time 0), and after 24, 48, and 72 h postexercise. Statistical time × condition interactions observed only for eccentric peak torque (p = 0.008). Magnitude-based inference analyses revealed low-intensity stretching had most likely, very likely, or likely beneficial effects on perceived muscle soreness (48-72 h and 0-72 h) and eccentric peak torque (baseline-24 h and baseline-72 h), compared with high-intensity stretching. Compared with control, low-intensity stretching had very likely or likely beneficial effects on perceived muscle soreness (0-24 h and 0-72 h), eccentric peak torque (baseline-48 h and baseline-72 h), and isometric peak torque (baseline-72 h). High-intensity stretching had likely beneficial effects on eccentric peak torque (baseline-48 h), but likely had harmful effects on eccentric peak torque (baseline-24 h) and creatine kinase (baseline-48 h and baseline-72 h), compared with control. Therefore, low-intensity stretching is likely to result in small-to-moderate beneficial effects on perceived muscle soreness and recovery of muscle function post-unaccustomed eccentric exercise, but not markers of muscle damage and inflammation, compared with high-intensity or no stretching.
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Affiliation(s)
- Nikos C Apostolopoulos
- a Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2W6, Canada
| | - Ian M Lahart
- b Research Centre for Sport Exercise and Performance, Institute of Sport and Human Science, University of Wolverhampton, Walsall WS1 3BD, UK
| | - Michael J Plyley
- c Faculty of Applied Health Sciences, Brock University, ON L2S 3A1, Canada
| | - Jack Taunton
- d Division of Sports Medicine, Faculty of Medicine, University of British Columbia, BC V6T 1Z3, Canada
| | - Alan M Nevill
- b Research Centre for Sport Exercise and Performance, Institute of Sport and Human Science, University of Wolverhampton, Walsall WS1 3BD, UK
| | - Yiannis Koutedakis
- b Research Centre for Sport Exercise and Performance, Institute of Sport and Human Science, University of Wolverhampton, Walsall WS1 3BD, UK.,e Department of Exercise Sciences, University of Thessaly, Trikala 42100, Greece
| | - Matthew Wyon
- b Research Centre for Sport Exercise and Performance, Institute of Sport and Human Science, University of Wolverhampton, Walsall WS1 3BD, UK.,f National Institute of Dance Medicine and Science, London SW18 1TA, UK
| | - George S Metsios
- b Research Centre for Sport Exercise and Performance, Institute of Sport and Human Science, University of Wolverhampton, Walsall WS1 3BD, UK
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Nunes GS, Uhlig S, Ribas LMDA, Gonçalves FB, Wageck B, Noronha MD. Influence of neural mobilization of lower limbs on the functional performance and dynamic balance in asymptomatic individuals: a cross-over randomized controlled trial. HUMAN MOVEMENT 2017. [DOI: 10.1515/humo-2017-0033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractPurpose. To verify the influence of neural mobilization (NM) applied to the lower limbs on functional performance and dynamic balance in asymptomatic individuals. Methods. The total of 30 asymptomatic participants (15 women and 15 men; age, 30.1 ± 6.7 years; height, 1.70 ± 0.1 m; body mass, 73.1 ± 13.4 kg) were enrolled in this cross-over randomized controlled trial. The participants received NM of the femoral, sciatic, and tibial nerves, as well as static stretching (SS) of the following muscles: hamstring, lumbar, piriformis, hip adductors, hip flexors, quadriceps, and triceps surae. The order of applying NM and SS was randomly decided and the interventions were performed at least 48 hours apart. Functional performance was measured by performance in vertical jump (VJ) and dynamic balance was measured with the Star Excursion Balance Test (SEBT). Results. There were no differences between NM and SS for height (cm) in VJ (p = 0.16) or in the distance reached (%) in the SEBT, normalized by lower limb length (dominant limb: anterior, p = 0.35; posterolateral, p = 0.69; posteromedial, p = 0.50 / non-dominant limb: anterior, p = 0.68; posterolateral, p = 1.00; posteromedial, p = 0.77). Conclusions. NM did not exert any influence on functional performance or dynamic balance. Thereby, having no positive or negative impact on performance, NM can be used at any time of treatment.
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Loughran M, Glasgow P, Bleakley C, McVeigh J. The effects of a combined static-dynamic stretching protocol on athletic performance in elite Gaelic footballers: A randomised controlled crossover trial. Phys Ther Sport 2017; 25:47-54. [PMID: 28256397 DOI: 10.1016/j.ptsp.2016.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 10/15/2016] [Accepted: 11/30/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVES To determine the effect of three different static-dynamic stretching protocols on sprint and jump performance in Gaelic footballers. DESIGN Double-blind, controlled, crossover trial. SETTING Sports Institute research environment. PARTICIPANTS Seventeen male elite level Gaelic footballers, aged 18-30 years, completed three stretching protocols. MAIN OUTCOME MEASURES Athletic performance was measured by countermovement jump height and power, and timed 10 m, 20 m, and 40 m sprints. RESULTS Static stretching reduced sprint speed by 1.1% over 40 m and 1.0% over 20 m. Static stretching also reduced countermovement jump height by 10.6% and jump power by 6.4%. When static stretching was followed by dynamic stretching, sprint speed improved by 1.0% over 20 m and 0.7% over 40 m (p < 0.05). The static - dynamic stretching protocol also improved countermovement jump height by 8.7% (p < 0.01) and power by 6.7% (p < 0.01). CONCLUSIONS Static stretching reduces sprint speed and jump performance. Static stretching should be followed by dynamic stretching during warm-up to nullify any performance deficits caused by static stretching.
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Affiliation(s)
- Martin Loughran
- Sports Institute of Northern Ireland, Ulster University, Newtownabbey, Co Antrim, N Ireland, United Kingdom.
| | - Philip Glasgow
- Sports Institute of Northern Ireland, Ulster University, Newtownabbey, Co Antrim, N Ireland, United Kingdom.
| | - Chris Bleakley
- Sports & Exercise Sciences, Ulster University, Newtownabbey, Co Antrim, N Ireland, United Kingdom.
| | - Joseph McVeigh
- Centre for Health and Rehabilitation Technologies (CHaRT), School of Health Sciences, Ulster University, Newtownabbey, Co Antrim, N Ireland, United Kingdom.
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Effect of Post-Exercise Whole Body Vibration with Stretching on Mood State, Fatigue, and Soreness in Collegiate Swimmers. Sports (Basel) 2017; 5:sports5010007. [PMID: 29910367 PMCID: PMC5969011 DOI: 10.3390/sports5010007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 01/04/2017] [Accepted: 01/09/2017] [Indexed: 11/24/2022] Open
Abstract
Static stretching (SS) during whole body vibration (WBV) has been suggested for exercise recovery. The purpose was to compare post-exercise self-ratings of fatigue (FAT), mood state (BAM), soreness (SOR), and perceived exertion (RPE) between SS and WBV+SS in swimmers (9 women, mean ± SD: 19.3 ± 1.3 year, 171 ± 5.7 cm, 67.6 ± 7.2 kg, 26.6 ± 4.1 %body fat (%BF); 10 men, mean ± SD: 19.7 ± 1.0 year, 183 ± 5.5 cm, 77.1 ± 4.2 kg, 13.1 ± 2.2 %BF). Athletes were divided by sex, event (sprint, distance), and assigned to SS or WBV+SS. Both conditions consisted of SS performed on the WBV platform with or without WBV (50 Hz, 6 mm). Sessions consisted of: pre and post measures of BAM, FAT, SOR; the condition; and RPE. Mixed factorial ANOVA were run. A significant condition by pre/post interaction was observed (p = 0.035). Post hoc analyses showed WBV+SS elicited lower post-exercise ratings of FAT (p = 0.002) and the BAM affective states, of tension (p = 0.031), and fatigue (p = 0.087). RPE did not differ between conditions. Of interest is the decrease in tension and fatigue noted by the BAM. Mood state can be indicative of how athletes adapt to training volume and intensity.
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Ozmen T, Yagmur Gunes G, Dogan H, Ucar I, Willems M. The effect of kinesio taping versus stretching techniques on muscle soreness, and flexibility during recovery from nordic hamstring exercise. J Bodyw Mov Ther 2017; 21:41-47. [DOI: 10.1016/j.jbmt.2016.04.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Revised: 03/16/2016] [Accepted: 03/21/2016] [Indexed: 12/14/2022]
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Chu J, Bruyninckx F, Neuhauser DV. Chronic refractory myofascial pain and denervation supersensitivity as global public health disease. BMJ Case Rep 2016; 2016:bcr-2015-211816. [PMID: 26768433 DOI: 10.1136/bcr-2015-211816] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Chronic pain with a 30.3% global prevalence significantly impacts universal health. Low back pain has a 9.4% prevalence worldwide causing the most widespread disability. Neck pain ranks 4th highest regarding years lived with disability with a 4.9% prevalence worldwide. The principal cause of pain in 85% of patients visiting a tertiary pain clinic has a myofascial origin. The root cause is multifocal neuromuscular ischaemia at myofascial trigger points from muscle tightening and shortening following spondylotic radiculopathy induced partial denervation. Chronic refractory myofascial pain (CRMP) is a neuromusculoskeletal disease needing management innovations. Using electrical twitch-obtaining intramuscular stimulation (eToims), we provide objective evidence of denervation supersensitivity in multiple myotomes as cause, aggravation and maintenance of CRMP. This study underscores our previous findings that eToims is safe and efficacious for long-term use in CRMP. eToims aids potential prevention (pre-rehabilitation), simultaneous diagnosis, treatment (rehabilitation) and prognosis in real time for acute and CRMP management.
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Affiliation(s)
- J Chu
- Department of Physical Medicine and Rehabilitation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - F Bruyninckx
- Department of Physical Medicine and Rehabilitation, Leuven University Hospitals, Leuven, Belgium
| | - D V Neuhauser
- Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
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Costello JT, Baker PRA, Minett GM, Bieuzen F, Stewart IB, Bleakley C. Whole-body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after exercise in adults. Cochrane Database Syst Rev 2015; 2015:CD010789. [PMID: 26383887 PMCID: PMC9579836 DOI: 10.1002/14651858.cd010789.pub2] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Recovery strategies are often used with the intention of preventing or minimising muscle soreness after exercise. Whole-body cryotherapy, which involves a single or repeated exposure(s) to extremely cold dry air (below -100 °C) in a specialised chamber or cabin for two to four minutes per exposure, is currently being advocated as an effective intervention to reduce muscle soreness after exercise. OBJECTIVES To assess the effects (benefits and harms) of whole-body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after exercise in adults. SEARCH METHODS We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, CINAHL, the British Nursing Index and the Physiotherapy Evidence Database. We also searched the reference lists of articles, trial registers and conference proceedings, handsearched journals and contacted experts.The searches were run in August 2015. SELECTION CRITERIA We aimed to include randomised and quasi-randomised trials that compared the use of whole-body cryotherapy (WBC) versus a passive or control intervention (rest, no treatment or placebo treatment) or active interventions including cold or contrast water immersion, active recovery and infrared therapy for preventing or treating muscle soreness after exercise in adults. We also aimed to include randomised trials that compared different durations or dosages of WBC. Our prespecified primary outcomes were muscle soreness, subjective recovery (e.g. tiredness, well-being) and adverse effects. DATA COLLECTION AND ANALYSIS Two review authors independently screened search results, selected studies, assessed risk of bias and extracted and cross-checked data. Where appropriate, we pooled results of comparable trials. The random-effects model was used for pooling where there was substantial heterogeneity. We assessed the quality of the evidence using GRADE. MAIN RESULTS Four laboratory-based randomised controlled trials were included. These reported results for 64 physically active predominantly young adults (mean age 23 years). All but four participants were male. Two trials were parallel group trials (44 participants) and two were cross-over trials (20 participants). The trials were heterogeneous, including the type, temperature, duration and frequency of WBC, and the type of preceding exercise. None of the trials reported active surveillance of predefined adverse events. All four trials had design features that carried a high risk of bias, potentially limiting the reliability of their findings. The evidence for all outcomes was classified as 'very low' quality based on the GRADE criteria.Two comparisons were tested: WBC versus control (rest or no WBC), tested in four studies; and WBC versus far-infrared therapy, also tested in one study. No studies compared WBC with other active interventions, such as cold water immersion, or different types and applications of WBC.All four trials compared WBC with rest or no WBC. There was very low quality evidence for lower self-reported muscle soreness (pain at rest) scores after WBC at 1 hour (standardised mean difference (SMD) -0.77, 95% confidence interval (CI) -1.42 to -0.12; 20 participants, 2 cross-over trials); 24 hours (SMD -0.57, 95% CI -1.48 to 0.33) and 48 hours (SMD -0.58, 95% CI -1.37 to 0.21), both with 38 participants, 2 cross-over studies, 1 parallel group study; and 72 hours (SMD -0.65, 95% CI -2.54 to 1.24; 29 participants, 1 cross-over study, 1 parallel group study). Of note is that the 95% CIs also included either no between-group differences or a benefit in favour of the control group. One small cross-over trial (9 participants) found no difference in tiredness but better well-being after WBC at 24 hours post exercise. There was no report of adverse events.One small cross-over trial involving nine well-trained runners provided very low quality evidence of lower levels of muscle soreness after WBC, when compared with infrared therapy, at 1 hour follow-up, but not at 24 or 48 hours. The same trial found no difference in well-being but less tiredness after WBC at 24 hours post exercise. There was no report of adverse events. AUTHORS' CONCLUSIONS There is insufficient evidence to determine whether whole-body cryotherapy (WBC) reduces self-reported muscle soreness, or improves subjective recovery, after exercise compared with passive rest or no WBC in physically active young adult males. There is no evidence on the use of this intervention in females or elite athletes. The lack of evidence on adverse events is important given that the exposure to extreme temperature presents a potential hazard. Further high-quality, well-reported research in this area is required and must provide detailed reporting of adverse events.
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Affiliation(s)
- Joseph T Costello
- University of PortsmouthDepartment of Sport and Exercise ScienceSpinnaker BuildingCambridge RoadPortsmouthUKP01 2ER
| | - Philip RA Baker
- Queensland University of TechnologySchool of Public Health and Social Work, Institute of Health and Biomedical InnovationVictoria Park RoadKelvin GroveQueenslandAustralia4059
| | - Geoffrey M Minett
- Queensland University of TechnologySchool of Exercise and Nutrition Sciences and Institute of Health and Biomedical InnovationVictoria Park RoadKelvin GroveBrisbaneQueenslandAustralia4059
| | - Francois Bieuzen
- French National Institute of Sport (INSEP)Laboratory of Sport, Expertise and Performance ‐ EA 737011 avenue du TremblayParisFrance75012
| | - Ian B Stewart
- Queensland University of TechnologySchool of Exercise and Nutrition Sciences and Institute of Health and Biomedical InnovationVictoria Park RoadKelvin GroveBrisbaneQueenslandAustralia4059
| | - Chris Bleakley
- University of UlsterUlster Sports AcademySchool of Health SciencesShore RoadNewtownabbeyCounty AntrimUKBT37 0QB
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Abstract
BACKGROUND Exercise is recommended for people with diabetes, but little is known about exercise in people with diabetic peripheral neuropathy (DPN). OBJECTIVE The primary purpose of this preliminary study was to examine adverse events (AEs) during moderate-intensity, supervised aerobic exercise in people with DPN. The secondary purpose was to examine changes in fatigue, aerobic fitness, and other outcomes after intervention. DESIGN This was a single-group preliminary study. SETTING The setting was an academic medical center. PARTICIPANTS Participants were 18 people who were sedentary and had type 2 diabetes and peripheral neuropathy (mean age=58.1 years, SD=5). INTERVENTION The intervention was a supervised 16-week aerobic exercise program (3 times per week at 50% to >70% oxygen uptake reserve). MEASUREMENTS Adverse events were categorized as related or unrelated to the study, anticipated or unanticipated, and serious or not serious. Outcomes included fatigue (Multidimensional Fatigue Inventory), cardiovascular fitness (peak oxygen uptake), body composition (dual-energy x-ray absorptiometry), sleep quality, plasma metabolic markers, and peripheral vascular function. RESULTS During the study, 57 nonserious AEs occurred. Improvements were found in general fatigue (mean change=-3.5; 95% confidence interval [95% CI]=-1.3, -5.3), physical fatigue (mean change=-3.1; 95% CI=-1.2, -5.0), peak oxygen uptake (mean change=1.1 mL·kg(-1)·min(-1); 95% CI=0.2, 1.9), total body fat (mean change=-1%; 95% CI=-0.3, -1.7), fat mass (mean change=-1,780 g; 95% CI=-616.2, -2,938.7), and peripheral blood flow (mean change=2.27%; 95% CI=0.6, 4.0). LIMITATIONS This was a small-scale, uncontrolled study. A future randomized controlled trial is needed to fully assess the effects of exercise on the outcomes. CONCLUSIONS This study provides new support for supervised aerobic exercise in people with DPN. However, it is important for physical therapists to carefully prescribe initial exercise intensity and provide close monitoring and education to address the anticipated AEs as people who are sedentary and have DPN begin an exercise program.
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Ferreira-Junior JB, Bottaro M, Vieira A, Siqueira AF, Vieira CA, Durigan JLQ, Cadore EL, Coelho LGM, Simões HG, Bemben MG. One session of partial-body cryotherapy (−110 °C) improves muscle damage recovery. Scand J Med Sci Sports 2014; 25:e524-30. [DOI: 10.1111/sms.12353] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/03/2014] [Indexed: 11/29/2022]
Affiliation(s)
- J. B. Ferreira-Junior
- College of Physical Education; University of Brasília; Brasilia DF Brazil
- Federal Institute of Triangulo Mineiro; Paracatu MG Brazil
| | - M. Bottaro
- College of Physical Education; University of Brasília; Brasilia DF Brazil
| | - A. Vieira
- College of Physical Education; University of Brasília; Brasilia DF Brazil
| | - A. F. Siqueira
- College of Physical Education; University of Brasília; Brasilia DF Brazil
| | - C. A. Vieira
- College of Physical Education; University of Brasília; Brasilia DF Brazil
| | - J. L. Q. Durigan
- Physical Therapy Division; University of Brasília; Brasilia DF Brazil
| | - E. L. Cadore
- College of Physical Education; University of Brasília; Brasilia DF Brazil
| | - L. G. M. Coelho
- Federal Center for Technological Education of Minas Gerais; Divinopolis MG Brazil
| | - H. G. Simões
- Graduate Program on Physical Education; Catholic University of Brasilia; Brasilia DF Brazil
| | - M. G. Bemben
- Department of Health and Exercise Science; University of Oklahoma; Norman Oklahoma USA
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Matsuo S, Suzuki S, Iwata M, Hatano G, Nosaka K. Changes in force and stiffness after static stretching of eccentrically-damaged hamstrings. Eur J Appl Physiol 2014; 115:981-91. [PMID: 25526850 DOI: 10.1007/s00421-014-3079-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 12/08/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE This study compared responses to static stretching between eccentrically damaged and non-damaged muscles. METHODS Twelve young men performed 60 maximum knee flexor eccentric contractions of one leg, and received a 300-s continuous passive static stretching at tolerable intensity without pain to both knee flexors at 2 and 4 days after the eccentric exercise. Range of motion (ROM) and passive stiffness during knee extension, passive torque at onset of pain (PT), maximum voluntary isometric (MVC-ISO) and isokinetic concentric contraction torque (MVC-CON), and visual analogue scale (VAS) for muscle soreness were measured before, immediately after, 60 min, 2 and 4 days after exercise as well as before, immediately after, 20 and 60 min after the stretching. Changes in these variables after eccentric exercise and stretching were compared between limbs. RESULTS The eccentric exercise decreased MVC-ISO, MVC-CON, ROM and PT, and increased passive stiffness and VAS (p < 0.05), suggesting that muscle damage was induced to the knee flexors. ROM and PT increased after stretching for both limbs; however, the magnitude of the increase was greater (p < 0.05) for the damaged than non-damaged limb. Passive stiffness decreased for both limbs similarly (4-7 %) at immediately after stretching (p < 0.05). Significant decreases in MVC-ISO torque (7-11 %) after stretching were observed only for the non-damaged limb (p < 0.05), but MVC-CON torque did not change after stretching for both limbs. VAS decreased for the exercised limb after stretching (p < 0.05). CONCLUSIONS These results suggest that the static stretching at tolerable intensity without pain produced greater positive effects on damaged than non-damaged muscles.
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Affiliation(s)
- Shingo Matsuo
- Program in Physical and Occupational Therapy, Graduate School of Medicine, Nagoya University, 1-1-20 Daikominami Higashiku, Nagoya, 461-8673, Japan
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Costello JT, Bieuzen F, Bleakley CM. Where are all the female participants in Sports and Exercise Medicine research? Eur J Sport Sci 2014; 14:847-51. [DOI: 10.1080/17461391.2014.911354] [Citation(s) in RCA: 165] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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What Does the Cochrane Collaboration Say about Stretching Exercises? Physiother Can 2014; 65:302. [PMID: 24403702 DOI: 10.3138/ptc.65.3.cochrane] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Costello JT, Baker PRA, Minett GM, Bieuzen F, Stewart IB, Bleakley C. Whole-body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after exercise in adults. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2013. [DOI: 10.1002/14651858.cd010789] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Moraes GCD, Guimarães ATB, Gomes ARS. Analysis of injuries' prevalence in surfers from Paraná seacoast. ACTA ORTOPEDICA BRASILEIRA 2013; 21:213-8. [PMID: 24453671 PMCID: PMC3862004 DOI: 10.1590/s1413-78522013000400006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2012] [Accepted: 11/18/2012] [Indexed: 11/21/2022]
Abstract
OBJECTIVE to analyze the prevalence of musculoskeletal injuries of surfers from the Paraná's seacoast. METHODS Sixty men (27 ± 6 years) completed a surf semi structured questionnaire (category, time of daily practice, frequency and exercises performed before and/or after surfing) and characteristics of injuries induced by this sport. A descriptive analysis of the data on distribution of the relative frequency was performed. RESULTS It was found that 70% of the respondents practiced surfing as a relaxing activity, 28% were amateurs and 2% were professionals, who were surfing for 10 years or more. Most of them surfed between 2 to 4 times a week during 2 to 4 hours a day. The most common exercise performed before surfing was upper and lower limbs stretching and no exercises at all was done after practice. The most common injury was contusion (29%), lower limb was the most affected segment (46%) and the most common cause of injury was due to contact with the board (52%). The interruption period mostly reported was 1-3 months and the most frequent treatment was taking medicines. CONCLUSIONS Recreational was the predominant category of surfers with lower limb's contusion as the most common musculoskeletal injury, resulting from contact with the board, being treated with medication and rest. Level of Evidence II, Retrospective Study.
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Nédélec M, McCall A, Carling C, Legall F, Berthoin S, Dupont G. Recovery in soccer : part ii-recovery strategies. Sports Med 2013; 43:9-22. [PMID: 23315753 DOI: 10.1007/s40279-012-0002-0] [Citation(s) in RCA: 181] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In the formerly published part I of this two-part review, we examined fatigue after soccer matchplay and recovery kinetics of physical performance, and cognitive, subjective and biological markers. To reduce the magnitude of fatigue and to accelerate the time to fully recover after completion, several recovery strategies are now used in professional soccer teams. During congested fixture schedules, recovery strategies are highly required to alleviate post-match fatigue, and then to regain performance faster and reduce the risk of injury. Fatigue following competition is multifactorial and mainly related to dehydration, glycogen depletion, muscle damage and mental fatigue. Recovery strategies should consequently be targeted against the major causes of fatigue. Strategies reviewed in part II of this article were nutritional intake, cold water immersion, sleeping, active recovery, stretching, compression garments, massage and electrical stimulation. Some strategies such as hydration, diet and sleep are effective in their ability to counteract the fatigue mechanisms. Providing milk drinks to players at the end of competition and a meal containing high-glycaemic index carbohydrate and protein within the hour following the match are effective in replenishing substrate stores and optimizing muscle-damage repair. Sleep is an essential part of recovery management. Sleep disturbance after a match is common and can negatively impact on the recovery process. Cold water immersion is effective during acute periods of match congestion in order to regain performance levels faster and repress the acute inflammatory process. Scientific evidence for other strategies reviewed in their ability to accelerate the return to the initial level of performance is still lacking. These include active recovery, stretching, compression garments, massage and electrical stimulation. While this does not mean that these strategies do not aid the recovery process, the protocols implemented up until now do not significantly accelerate the return to initial levels of performance in comparison with a control condition. In conclusion, scientific evidence to support the use of strategies commonly used during recovery is lacking. Additional research is required in this area in order to help practitioners establish an efficient recovery protocol immediately after matchplay, but also for the following days. Future studies could focus on the chronic effects of recovery strategies, on combinations of recovery protocols and on the effects of recovery strategies inducing an anti-inflammatory or a pro-inflammatory response.
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Bieuzen F, Bleakley CM, Costello JT. Contrast water therapy and exercise induced muscle damage: a systematic review and meta-analysis. PLoS One 2013; 8:e62356. [PMID: 23626806 PMCID: PMC3633882 DOI: 10.1371/journal.pone.0062356] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Accepted: 03/20/2013] [Indexed: 12/26/2022] Open
Abstract
The aim of this systematic review was to examine the effect of Contrast Water Therapy (CWT) on recovery following exercise induced muscle damage. Controlled trials were identified from computerized literature searching and citation tracking performed up to February 2013. Eighteen trials met the inclusion criteria; all had a high risk of bias. Pooled data from 13 studies showed that CWT resulted in significantly greater improvements in muscle soreness at the five follow-up time points (<6, 24, 48, 72 and 96 hours) in comparison to passive recovery. Pooled data also showed that CWT significantly reduced muscle strength loss at each follow-up time (<6, 24, 48, 72 and 96 hours) in comparison to passive recovery. Despite comparing CWT to a large number of other recovery interventions, including cold water immersion, warm water immersion, compression, active recovery and stretching, there was little evidence for a superior treatment intervention. The current evidence base shows that CWT is superior to using passive recovery or rest after exercise; the magnitudes of these effects may be most relevant to an elite sporting population. There seems to be little difference in recovery outcome between CWT and other popular recovery interventions.
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Affiliation(s)
- François Bieuzen
- Laboratory of Sport, Expertise and Performance, Institut National du Sport, de l'Expertise et de la Performance (INSEP), Paris, France.
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Bleakley C, McDonough S, Gardner E, Baxter GD, Hopkins JT, Davison GW. Cold-water immersion (cryotherapy) for preventing and treating muscle soreness after exercise. Cochrane Database Syst Rev 2012; 2012:CD008262. [PMID: 22336838 PMCID: PMC6492480 DOI: 10.1002/14651858.cd008262.pub2] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Many strategies are in use with the intention of preventing or minimising delayed onset muscle soreness and fatigue after exercise. Cold-water immersion, in water temperatures of less than 15°C, is currently one of the most popular interventional strategies used after exercise. OBJECTIVES To determine the effects of cold-water immersion in the management of muscle soreness after exercise. SEARCH METHODS In February 2010, we searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials (The Cochrane Library (2010, Issue 1), MEDLINE, EMBASE, Cumulative Index to Nursing and Allied Health (CINAHL), British Nursing Index and archive (BNI), and the Physiotherapy Evidence Database (PEDro). We also searched the reference lists of articles, handsearched journals and conference proceedings and contacted experts.In November 2011, we updated the searches of CENTRAL (2011, Issue 4), MEDLINE (up to November Week 3 2011), EMBASE (to 2011 Week 46) and CINAHL (to 28 November 2011) to check for more recent publications. SELECTION CRITERIA Randomised and quasi-randomised trials comparing the effect of using cold-water immersion after exercise with: passive intervention (rest/no intervention), contrast immersion, warm-water immersion, active recovery, compression, or a different duration/dosage of cold-water immersion. Primary outcomes were pain (muscle soreness) or tenderness (pain on palpation), and subjective recovery (return to previous activities without signs or symptoms). DATA COLLECTION AND ANALYSIS Three authors independently evaluated study quality and extracted data. Some of the data were obtained following author correspondence or extracted from graphs in the trial reports. Where possible, data were pooled using the fixed-effect model. MAIN RESULTS Seventeen small trials were included, involving a total of 366 participants. Study quality was low. The temperature, duration and frequency of cold-water immersion varied between the different trials as did the exercises and settings. The majority of studies failed to report active surveillance of pre-defined adverse events.Fourteen studies compared cold-water immersion with passive intervention. Pooled results for muscle soreness showed statistically significant effects in favour of cold-water immersion after exercise at 24 hour (standardised mean difference (SMD) -0.55, 95% CI -0.84 to -0.27; 10 trials), 48 hour (SMD -0.66, 95% CI -0.97 to -0.35; 8 trials), 72 hour (SMD -0.93; 95% CI -1.36 to -0.51; 4 trials) and 96 hour (SMD -0.58; 95% CI -1.00 to -0.16; 5 trials) follow-ups. These results were heterogeneous. Exploratory subgroup analyses showed that studies using cross-over designs or running based exercises showed significantly larger effects in favour of cold-water immersion. Pooled results from two studies found cold-water immersion groups had significantly lower ratings of fatigue (MD -1.70; 95% CI -2.49 to -0.90; 10 units scale, best to worst), and potentially improved ratings of physical recovery (MD 0.97; 95% CI -0.10 to 2.05; 10 units scale, worst to best) immediately after the end of cold-water immersion.Five studies compared cold-water with contrast immersion. Pooled data for pain showed no evidence of differences between the two groups at four follow-up times (immediately, 24, 48 and 72 hours after treatment). Similar findings for pooled analyses at 24, 48 and 72 hour follow-ups applied to the four studies comparing cold-water with warm-water immersion. Single trials only compared cold-water immersion with respectively active recovery, compression and a second dose of cold-water immersion at 24 hours. AUTHORS' CONCLUSIONS There was some evidence that cold-water immersion reduces delayed onset muscle soreness after exercise compared with passive interventions involving rest or no intervention. There was insufficient evidence to conclude on other outcomes or for other comparisons. The majority of trials did not undertake active surveillance of pre-defined adverse events. High quality, well reported research in this area is required.
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Affiliation(s)
- Chris Bleakley
- Health and Rehabilitation Sciences, University of Ulster, Newtownabbey, UK.
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Abstract
Immediate and delayed-onset muscle soreness differ mainly in chronology of presentation. Both conditions share the same quality of pain, eliciting and relieving activities and a varying degree of functional deficits. There is no single mechanism for muscle soreness; instead, it is a culmination of 6 different mechanisms. The developing pathway of DOMS begins with microtrauma to muscles and then surrounding connective tissues. Microtrauma is then followed by an inflammatory process and subsequent shifts of fluid and electrolytes. Throughout the progression of these events, muscle spasms may be present, exacerbating the overall condition. There are a multitude of modalities to manage the associated symptoms of immediate soreness and DOMS. Outcomes of each modality seem to be as diverse as the modalities themselves. The judicious use of NSAIDs and continued exercise are suggested to be the most reliable methods and recommended. This review article and each study cited, however, represent just one part of the clinician's decisionmaking process. Careful affirmation of temporary deficits from muscle soreness is not to be taken lightly, nor is the advisement and medical management of muscle soreness prescribed by the clinician.
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Affiliation(s)
- Paul B Lewis
- Department of Diagnostic Radiology & Nuclear Medicine, Rush University Medical Center, 1653 West Congress Parkway, Chicago, IL 60612, USA.
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