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Yeral A, Subaşı F, Tekin A, Çil ET, Mumcu G, Yay M, Şaylı U. Investigation of Predisposing Risk Factors in Adolescent Male Water Polo Players. Sports Health 2024:19417381241286502. [PMID: 39394761 DOI: 10.1177/19417381241286502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2024] Open
Abstract
BACKGROUND Shoulder injuries are prevalent in adolescent water polo (WP) players. Study aimed to determine whether preseason shoulder characteristics (range of motion [ROM], flexibility, and strength) and core endurance can identify athletes at risk of future shoulder injuries. HYPOTHESIS Shoulder characteristics, including changes in ROM (internal rotation [IR], external rotation [ER], and total), strength (IR and ER), pectoralis minor flexibility, shoulder capsule flexibility, and core endurance, would be risk factors for shoulder reinjury in athletes with previous overuse injuries compared with noninjured athletes. STUDY DESIGN Prospective cohort study. LEVEL OF EVIDENCE Level 3. METHODS At baseline, 53 male youth WP players (mean age, 16.6 ± 3.5 years) were assigned to Group 1 (with previous shoulder injuries [G1, n = 26]) and Group 2 (without previous shoulder injuries [G2, n = 27]). ROM, flexibility, strength, and core muscle endurance were assessed preseason. After a 12-month follow-up, players were again divided into those who developed new shoulder injuries (G3, n = 27) and those who remained healthy (G4, n = 26). RESULTS Total of 26 players (49%) had previous shoulder injuries at baseline. At baseline, decreased pectoralis minor flexibility, IR, total ROM, and core endurance were found in players with a previous shoulder injury compared with players without a previous shoulder injury (P < 0.05). CONCLUSION At baseline, a significant difference was present in proposed risk factors (shoulder and core endurance parameters) between players with and without a previous shoulder injury. Shoulder IR ROM and years of experience were significant predictors of shoulder injury. Early detection of modifiable proposed risk factors may help prevent reinjury in young athletes. CLINICAL RELEVANCE Screening at an early age can help identify and address pre-existing injuries, support youth athletes' return to sport after a shoulder injury, prevent new injuries, and improve performance.
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Affiliation(s)
- Aslı Yeral
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Yeditepe University, Istanbul, Türkiye
| | - Feryal Subaşı
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Yeditepe University, Istanbul, Türkiye
| | - Ata Tekin
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Yeditepe University, Istanbul, Türkiye
| | - Elif Tuğçe Çil
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Yeditepe University, Istanbul, Türkiye
| | - Gonca Mumcu
- Dental School, Department of Dentomaxillofacial Radiology, Istanbul Okan University, Istanbul, Türkiye
| | - Meral Yay
- Department of Statistics, Mimar Sinan Fine Arts University, Istanbul, Türkiye
| | - Uğur Şaylı
- Departments of Orthopaedics and Traumatology, Acıbadem Hospitals, Istanbul, Türkiye
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Martínez-Calderon J, García-Muñoz C. GRADE system in systematic reviews of prevalence or incidence studies evaluating sport-related injuries: why is GRADE important? Br J Sports Med 2024; 58:527-528. [PMID: 38442951 DOI: 10.1136/bjsports-2023-107788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 03/07/2024]
Affiliation(s)
- Javier Martínez-Calderon
- Instituto de Biomedicina de Sevilla, IBiS, Departamento de Fisioterapia, Universidad de Sevilla, Sevilla, Spain
- CTS 1110: Understanding Movement and Self in health from Science (UMSS) Research Group, Andalusia, Spain
| | - Cristina García-Muñoz
- CTS 1110: Understanding Movement and Self in health from Science (UMSS) Research Group, Andalusia, Spain
- Departamento de Ciencias de la Salud y Biomédicas, Universidad Loyola de Andalucía, Sevilla, Spain
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Minelli M, Longo UG, Ranieri R, Pascucci F, Giunti F, Conti M, Catellani F, Castagna A. The Epidemiology of Shoulder Injuries in Water Polo Players: A Monocentric Descriptive Study on Clinical and Radiological Presentation. J Clin Med 2024; 13:1951. [PMID: 38610716 PMCID: PMC11012509 DOI: 10.3390/jcm13071951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/12/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
Water polo players' shoulders are exposed to repeated overhead and throwing motions as well as direct and indirect traumas. Shoulder injuries account for over half of all injuries sustained by water polo players. This is a monocentric descriptive epidemiological study on the clinical and radiological presentation of a consecutive series of water polo players from January 2002 to September 2022. All patients underwent clinical and physical examinations and an MRI arthrogram. A total of 92 water polo players were included in this study. Fifty-three patients (57.6%) reported at least one previous shoulder instability episode; 100% of patients in this group were diagnosed with a capsulolabral complex lesion, and 88.7% of these players complained of subjective symptoms of shoulder instability (RR: 4.4). A total of 39 out of 92 patients (42.4%) did not report previous shoulder dislocation episodes; the mean age at presentation in this group was significantly higher than the mean age of the patients who experienced previous instability episodes (p < 0.01), and the throwing arm was affected in 79.5% of patients (RR = 1.41).
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Affiliation(s)
- Marco Minelli
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy; (M.M.); (R.R.); (F.P.); (F.G.); (F.C.); (A.C.)
| | - Umile Giuseppe Longo
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo 200, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Riccardo Ranieri
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy; (M.M.); (R.R.); (F.P.); (F.G.); (F.C.); (A.C.)
- Shoulder and Elbow Unit, Department of Orthopedic and Trauma Surgery, Humanitas Clinical and Research Center, IRCCS, Via Manzoni 56, 20089 Milan, Italy;
| | - Federico Pascucci
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy; (M.M.); (R.R.); (F.P.); (F.G.); (F.C.); (A.C.)
| | - Filippo Giunti
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy; (M.M.); (R.R.); (F.P.); (F.G.); (F.C.); (A.C.)
| | - Marco Conti
- Shoulder and Elbow Unit, Department of Orthopedic and Trauma Surgery, Humanitas Clinical and Research Center, IRCCS, Via Manzoni 56, 20089 Milan, Italy;
| | - Francesco Catellani
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy; (M.M.); (R.R.); (F.P.); (F.G.); (F.C.); (A.C.)
- Humanitas Gavazzeni, 24125 Bergamo, Italy
| | - Alessandro Castagna
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy; (M.M.); (R.R.); (F.P.); (F.G.); (F.C.); (A.C.)
- Shoulder and Elbow Unit, Department of Orthopedic and Trauma Surgery, Humanitas Clinical and Research Center, IRCCS, Via Manzoni 56, 20089 Milan, Italy;
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Tadin A, Buzov J. Knowledge and Self-Assessment of Dental Injuries and Oral Health among Croatian Professional Water Polo Players: A Cross-Sectional Study. Sports (Basel) 2023; 11:223. [PMID: 37999440 PMCID: PMC10675522 DOI: 10.3390/sports11110223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 11/25/2023] Open
Abstract
OBJECTIVES/AIM The purpose of this study was to evaluate oral health knowledge, and the incidence of self-reported dental injuries incidence, the frequency of mouthguard use, oral hygiene habits, and oral health status among professional water polo players. MATERIALS AND METHODS During the 2022/2023 season, 114 water polo players from the Croatian First League participated in a questionnaire-based online survey. The data collected included sociodemographic and professional attributes, oral health knowledge questions, dental injury experiences, and practices related to mouthguard use. Respondents also rated their own oral health status and oral hygiene habits. The data were analyzed using descriptive statistics and a regression analysis. RESULTS The respondents demonstrated inadequate knowledge of oral health, with a mean score of 6.4 ± 2.6 out of 12. Better knowledge correlated positively with older age (p ˂ 0.05) and consistent flossing (p = 0.014). Additionally, 27.2% (31 of 114) of reported dental injuries were related directly to incidents which occurred while participating in water polo. These injuries occurred more frequently during games (54.8%) and often involved the anterior maxillary incisors (71.0%) due to player contact (87.1%). Awareness of mouthguards was high (93.9%), whereas their actual use was low (7.0%) because 35.1% of respondents reported discomfort wearing them. The respondents' self-assessments revealed widespread dental problems, including tooth sensitivity (13.3%), erosion (15.8%), calculus (28.1%), and pigmentation (7.9%). CONCLUSIONS The research results indicate a lack of adequate knowledge among the respondents regarding oral health. This deficit was not associated with oral hygiene habits or oral cavity conditions. These findings highlight the disparities in oral health awareness and practices associated with water polo participation and emphasize the importance of education and prevention efforts.
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Affiliation(s)
- Antonija Tadin
- Department of Restorative Dental Medicine and Endodontics, Study of Dental Medicine, University of Split School of Medicine, 21000 Split, Croatia
- Department of Maxillofacial Surgery, Clinical Hospital Centre Split, 21000 Split, Croatia
| | - Josip Buzov
- Department of Restorative Dental Medicine and Endodontics, Study of Dental Medicine, University of Split School of Medicine, 21000 Split, Croatia
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Croteau F, Leclerc S, Moroz M. Incidence of Concussions in Elite Female Water Polo: A Retrospective Analysis. Clin J Sport Med 2023; 33:e181-e185. [PMID: 37796221 DOI: 10.1097/jsm.0000000000001194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 09/11/2023] [Indexed: 10/06/2023]
Abstract
OBJECTIVE Current evidence for concussions is mixed in water polo players. Surveys suggest rates as high as 36%, whereas surveillance studies at international competitions often fail to report them at all. The goal of this study was to examine the incidence of concussions in elite female water polo players from surveillance tools implemented longitudinally. DESIGN Retrospective chart analysis of 10 years spanning between 2012 and 2022. SETTING National teams or professional sports. PARTICIPANTS Female players from the Canadian senior national water polo teams that participated in international competitions and trained more than 10 hours per week in a competitive environment. ASSESSMENT OF RISK FACTORS Included player position, recurrence, and time loss before full return to play. MAIN OUTCOME MEASURES Prevalence of concussion diagnosis. RESULTS Forty-three concussions were identified over the 10 years observed at a median count of 3 concussions per year. Cumulative days lost spanned between 25 and 348 days per team*year. Altogether, this produced a median rate of 14.3 injuries per 100 player*years. Goalkeepers in the sample suffered the highest rates of concussion (25.8%), compared with players in other positions (22.8% of centers and 16.7% of drivers). CONCLUSIONS This study found evidence for prevalence of concussions in elite female water polo players. Improved guidelines preceded a significant reduction in time loss after the year 2017. This adds to a body of knowledge suggesting that improved surveillance methods are needed to detect and care for concussions in this population.
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Affiliation(s)
- Félix Croteau
- Sports Medicine, Institut National du Sport du Québec, Montréal, Canada
- Faculty of Medicine, McGill University, Montréal, Canada
- Water Polo Canada, Montréal, Canada; and
| | - Suzanne Leclerc
- Sports Medicine, Institut National du Sport du Québec, Montréal, Canada
- Water Polo Canada, Montréal, Canada; and
- Faculté de médecine, Université de Montréal, Montréal, Canada
| | - Mickey Moroz
- Sports Medicine, Institut National du Sport du Québec, Montréal, Canada
- Faculty of Medicine, McGill University, Montréal, Canada
- Water Polo Canada, Montréal, Canada; and
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Lutter C, Gräber S, Jones G, Groß J, Tadda L, Tischer T. Epidemiology of Acute and Overuse Injuries in Underwater Rugby. Orthop J Sports Med 2023; 11:23259671231181582. [PMID: 37667810 PMCID: PMC10475234 DOI: 10.1177/23259671231181582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 03/09/2023] [Indexed: 09/06/2023] Open
Abstract
Background Underwater rugby (UWR) is a team sport. Athletes require a high degree of strength, endurance, speed, and coordination involving intense physical contact. Currently, a paucity of literature exists regarding injury occurrence in UWR. Purpose To examine the nature and prevalence of acute and overuse injuries in UWR. Study Design Descriptive epidemiology study. Methods Between November 2020 and March 2021, a total of 720 German UWR athletes were invited to take an online survey developed by orthopaedic specialists with UWR athletes. Data were recorded regarding general and health-related information, training habits, acute injuries that necessitated an interruption in training and/or doctor consultation, as well as overuse injuries. Overuse injuries were evaluated using the Oslo Sports Trauma Research Centre Overuse Injury Questionnaire. Statistical analyses included t tests or rank sum tests depending on normality of distribution. A nonparametric Kruskal-Wallis 1-way analysis of variance on ranks was used for nonnormally distributed data among several groups. Results This study included 161 active athletes (mean ± SD, 36.1 ± 11.9 years old; 75.3% male) for analysis, of whom 90.1% were competing regularly. The performance-level distribution was as follows: first German national league (n = 73), second German national league (n = 46), state league (n = 17), district league (n = 1), and no league (n = 24). The mean ± SD sport-specific training workload was 5.6 ± 3.0 h/wk, including UWR training, additional swimming (n = 71; 44.1%), strength (n = 70; 43.5%), and/or endurance training (n = 102; 63.4%). Acute injuries were recorded in 78.9% of all athletes. The most typical locations for acute injuries were hand/finger (42.4%), head/face (concussion, ruptured eardrum; 18.1%), wrist (5.5%), or spine (5.0%). Overuse injuries were reported by 42.9% of the participants. The predominant locations for overuse injuries were hand/finger (18.8%), shoulder/clavicle (14.1%), spine and wrist (10.7% each), head/face (8.7%), and ankle joint and knee (6.7% each). Conclusion In the current study, 3 of 4 athletes reported at least 1 acute injury, and 2 of 5 athletes reported at least 1 overuse injury. Leading injury regions were the hand/finger, head/ear, wrist, and spine.
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Affiliation(s)
- Christoph Lutter
- Department of Orthopedics, University Medical Center, Rostock, Germany
- Musculoskeletal Health Research Group, School of Clinical and Applied Science, Leeds Beckett University, Leeds, UK
| | - Sina Gräber
- Department of Orthopedics, University Medical Center, Rostock, Germany
| | - Gareth Jones
- Musculoskeletal Health Research Group, School of Clinical and Applied Science, Leeds Beckett University, Leeds, UK
| | - Justus Groß
- Department of General and Vascular Surgery, University Medical Center, Rostock, Germany
| | - Lukas Tadda
- Sozialstiftung Klinikum Bamberg, Bamberg, Germany
| | - Thomas Tischer
- Department of Orthopedics, University Medical Center, Rostock, Germany
- Malteser Waldkrankenhaus St Marien, Erlangen, Germany
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Sioutis S, Zygogiannis K, Papakonstantinou ME, Zafeiris I, Soucacos F, Altsitzioglou P, Skouras A, Karamintzas D, Tsolakis C, Koulouvaris P. The Correlation Between the Strength of the Shoulder and Trunk Muscular Systems in Elite Adolescent Water Polo Athletes. Cureus 2022; 14:e29775. [PMID: 36340525 PMCID: PMC9618168 DOI: 10.7759/cureus.29775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/30/2022] [Indexed: 12/02/2022] Open
Abstract
Introduction Water polo is a competitive team sport played in the water between two teams of seven players each. Water polo players must have swimming speed, strong abdominal and back muscles, and strong shoulder muscles to cope with this sport's special conditions. In this study, we investigate the possible association of shoulder and trunk muscle systems in adolescent water polo athletes of high demands. Materials and methods The research included 42 water polo players aged 14-16, who train regularly for at least five years, six times a week, and participate in national championships and national teams. The athletes were evaluated on the strength and torque of these muscular systems using the isokinetic dynamometer Biodex System 4 Pro (Biodex Medical Systems, Inc, Shirley, NY). The correlation of the results was done using the statistical package SPSS 21. Results The correlations revealed statistically significant differences in trunk extension in combination with the shoulder external/internal rotation ratio. Also, most of the correlations occurred between the trunk and non-dominant limb of the athletes and, more often, in the female athletes. Furthermore, for the hand grip, the male athletes showed a greater difference in strength between the dominant and the non-dominant member than female athletes. Finally, the evaluation of the trunk extension/flexion ratio and external/internal rotation ratio for the shoulder joint showed that many athletes are outside the normal range and need targeted strengthening. Conclusion The negative correlation coefficient between trunk extension/flexion and shoulder external/internal rotation indicates that the trunk extension mechanism helps for better internal rotation of the shoulder. Therefore, water polo players should focus on the training of the stretching mechanism of the trunk and also give weight to achieving a balance between the competing muscular systems of the trunk and the shoulder. Thus, athletes can maximize their skills and, at the same time, protect themselves from injuries.
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Schroeder GG, McClintick DJ, Trikha R, Kremen TJ. Injuries Affecting Intercollegiate Water Polo Athletes: A Descriptive Epidemiologic Study. Orthop J Sports Med 2022; 10:23259671221110208. [PMID: 35898203 PMCID: PMC9310270 DOI: 10.1177/23259671221110208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/23/2022] [Indexed: 11/17/2022] Open
Abstract
Background There are few data on injuries suffered by collegiate water polo athletes. Purpose To describe the epidemiology of injuries suffered by National College Athletic Association (NCAA) male and female water polo players by using injury surveillance data over a 5-year period. Study Design Descriptive epidemiology study. Methods Deidentified data on all water polo injuries and illnesses recorded in the Pac-12 Sports Injury Research Archive from July 2016 through June 2021 were obtained and analyzed. Three men's and 4 women's teams were observed for the entire 5-year period, and 1 men's and 1 women's team was observed from July 2018 through June 2021. Results During the observation period, 729 injuries were recorded in the database, with no differences in overall injury rates between male and female athletes (relative risk [RR] = 1.0; 95% CI, 0.9-1.2); 33.7% of injuries required a physician encounter, and 3.6% required surgery. The shoulder was the most injured body part, making up 20.6% of all injuries, followed by the head/face (18.8%) and hand/wrist/forearm (11.7%). Shoulder tendinopathy was the most common shoulder injury diagnosis (4.5% of all injuries). Concussion was the most common injury diagnosis overall, making up 11.4% of injuries, and 81.9% of concussions occurred outside of competition. Male athletes were significantly more likely than female athletes to have a concussion in an off-season practice (RR, 3.25; 95% CI, 1.2-8.8) and via contact with another player (RR, 2.9; 95% CI, 1.3-6.4). Half of the 26 surgical procedures occurring over the observation period were for chronic joint trauma of the groin/hip/pelvis/buttock, with 9 of those 13 being for femoroacetabular impingement specifically. Conclusion Among NCAA water polo athletes, the shoulder was the most injured body part; however, shoulder injuries rarely required missed time from sport or necessitated surgical intervention. Concussions were the most common injury diagnosis, had the worst return-to-play outcomes among common diagnoses, and were mostly sustained outside of competition. Femoroacetabular impingement was found to be the dominant diagnosis for which surgical intervention was required.
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Affiliation(s)
- Grant G Schroeder
- David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | | | - Rishi Trikha
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Thomas J Kremen
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
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López-Laval I, Sitko S, Cantonero J, Corbi F, Cirer-Sastre R. The Effectiveness of Shoulder Mobility and Strength Programs in Competitive Water-Polo Players. Life (Basel) 2022; 12:life12050758. [PMID: 35629424 PMCID: PMC9145995 DOI: 10.3390/life12050758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 12/02/2022] Open
Abstract
Background: Water-polo is the water sport with the highest incidence of injuries, with shoulder pain being the most common one. The understanding of risk factors and guidance on preventive measures is essential in this sport discipline. The aim of this study was to determine the effects of a specific 6-week training plan on range of motion (ROM) and joint strength levels in a group of professional water-polo players. Methods: Quasi-experimental study with a sample of 28 participants (age: 20.1 ± 2.5 years; height: 176.9 ± 6.2 cm; body mass: 74.6 ± 8.1 kg). Three study groups, which consisted of one control group and two experimental groups, were established. Two repeated measurements, pre and post intervention, were performed. During these measurements, ROM of the glenohumeral joint was analyzed both in external (ER) and internal (IR) rotation, as well as the maximal isometric strength. Conclusions: The application of a training program improved glenohumeral joint ROM. ER and IR evolve differently in both shoulders. ER improved only in the throwing arm only in the group undergoing intervention but for the non-dominant side, improvements were observed in both ER and IR, regardless of whether or not they had followed the intervention plan. No improvements were observed in either the isometric strength or contralateral asymmetries.
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Affiliation(s)
- Isaac López-Laval
- Faculty of Health and Sport Sciences (FCSD), University of Zaragoza, 22002 Huesca, Spain; (S.S.); (J.C.)
- Correspondence:
| | - Sebastian Sitko
- Faculty of Health and Sport Sciences (FCSD), University of Zaragoza, 22002 Huesca, Spain; (S.S.); (J.C.)
| | - Jaime Cantonero
- Faculty of Health and Sport Sciences (FCSD), University of Zaragoza, 22002 Huesca, Spain; (S.S.); (J.C.)
| | - Francisco Corbi
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Lleida (UdL), 25192 Lleida, Spain; (F.C.); (R.C.-S.)
| | - Rafel Cirer-Sastre
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Lleida (UdL), 25192 Lleida, Spain; (F.C.); (R.C.-S.)
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Croteau F, Thénault F, Blain-Moraes S, Pearsall DJ, Paradelo D, Robbins SM. Automatic detection of passing and shooting in water polo using machine learning: a feasibility study. Sports Biomech 2022:1-15. [PMID: 35225158 DOI: 10.1080/14763141.2022.2044507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/15/2022] [Indexed: 10/19/2022]
Abstract
There is currently no efficient way to quantify overhead throwing volume in water polo. Therefore, this study aimed to test the feasibility of a method to detect passes and shots in water polo automatically using inertial measurement units (IMU) and machine-learning algorithms. Eight water polo players wore one IMU sensor on the wrist (dominant hand) and one on the sacrum during six practices each. Sessions were filmed with a video camera and manually tagged for individual shots or passes. Data were synchronised between video tagging and IMU sensors using a cross-correlation approach. Support vector machine (SVM) and artificial neural networks (ANN) were compared based on sensitivity and specificity for identifying shots and passes. A total of 7294 actions were identified during the training sessions, including 945 shots and 5361 passes. Using SVM, passes and shots together were identified with 94.4% (95%CI = 91.8-96.4) sensitivity and 93.6% (95%CI = 91.4-95.4) specificity. Using ANN yielded similar sensitivity (93.0% [95%CI = 90.1-95.1]) and specificity (93.4% [95%CI = 91.1 = 95.2]). The results suggest that this method of identifying overhead throwing motions with IMU has potential for future field applications. A set-up with one single sensor at the wrist can suffice to measure these activities in water polo.
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Affiliation(s)
- Félix Croteau
- School of Physical and Occupational Therapy, McGill University, Montreal, QC, Canada
- Sports Medicine, Institut National du Sport du Québec, Montreal, QC, Canada
- Senior national teams, Water Polo Canada, Montreal, QC, Canada
| | | | - Stefanie Blain-Moraes
- School of Physical and Occupational Therapy, McGill University, Montreal, QC, Canada
| | - David J Pearsall
- Department of Kinesiology and Physical Education, McGill University, Montreal, QC, Canada
| | - David Paradelo
- Senior national teams, Water Polo Canada, Montreal, QC, Canada
| | - Shawn M Robbins
- School of Physical and Occupational Therapy, McGill University, Montreal, QC, Canada
- Centre for Interdisciplinary Research in Rehabilitation, Layton-Lethbridge-MacKay Rehabilitation Centre, Montreal, QC, Canada
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