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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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Góngora-Rodríguez J, Rosety-Rodríguez MÁ, Rodríguez-Almagro D, Martín-Valero R, Góngora-Rodríguez P, Rodríguez-Huguet M. Structural and Functional Changes in Supraspinatus Tendinopathy through Percutaneous Electrolysis, Percutaneous Peripheral Nerve Stimulation and Eccentric Exercise Combined Therapy: A Single-Blinded Randomized Clinical Trial. Biomedicines 2024; 12:771. [PMID: 38672127 PMCID: PMC11048338 DOI: 10.3390/biomedicines12040771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Shoulder tendinopathies produce pain and reduce functionality. The aim of this randomized clinical trial was to analyze the effects of Percutaneous electrolysis (PE), Percutaneous peripheral Nerve Stimulation (PNS) and eccentric exercise (EE) on pain (NPRS), strength, electromyographic activity, ultrasound characteristics of the tendon (echogenicity, thickness and hypervascularization) and functionality (DASH and SPADI) in individuals with supraspinatus tendinopathy. Participants (n = 50) were divided into two groups; they received 4 treatment sessions, 1 per week, of PE and PNS (n = 25) or 10 treatment sessions of TENS and US (n = 25). Both groups performed the EE program consisting of 3 sets of 10 repetitions of each of the 3 exercises, twice a day, during the 4 weeks. Follow-up was carried out at 4, 12 and 24 weeks after the start of the intervention. There are statistically significant differences in the analysis between groups (p < 0.001) in the post-treatment and follow-up measurements favorable to the PE+PNS+EE treatment on pain (NPRS), strength, supraspinatus electromyographic amplitude, ultrasound characteristics of the tendon (echogenicity, thickness and hypervascularization) and DASH and SPADI questionnaires. The combined treatment with PE, PNS and EE is an effective option in the clinical management of tendinopathies, with positive results in the short and long term on the variables studied.
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Affiliation(s)
- Jorge Góngora-Rodríguez
- Department of Nursing and Physiotherapy, University of Cádiz, 11009 Cádiz, Spain; (J.G.-R.); (M.R.-H.)
| | - Miguel Ángel Rosety-Rodríguez
- Move-It Research Group, Biomedical Research and Innovation Institute of Cadiz, Puerta del Mar University Hospital, University of Cádiz, Plaza Fragela, s/n, 11003 Cadiz, Spain
| | | | - Rocío Martín-Valero
- Department of Physiotherapy, Faculty of Health Sciences, University of Málaga, 29071 Málaga, Spain;
| | | | - Manuel Rodríguez-Huguet
- Department of Nursing and Physiotherapy, University of Cádiz, 11009 Cádiz, Spain; (J.G.-R.); (M.R.-H.)
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Croteau F, Lanoé E, Clément J. Analysis of Pushing Forces During the Water Polo Eggbeater: Reliability and Validity of a Novel Approach. J Sports Sci Med 2024; 23:147-155. [PMID: 38455443 PMCID: PMC10915605 DOI: 10.52082/jssm.2024.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 02/02/2024] [Indexed: 03/09/2024]
Abstract
Water polo players benefit from greater odds of success when maintaining their tactical position against their opponents. This study evaluated the reliability and validity of a water-based resistance test to replicate this skill.Thirty-three water polo players participated in this study (19 males and 14 females, 14 from senior and 19 from junior national teams). Data were collected during two regular training sessions, separated by one week, using a load cell to instrument a weight stack resistance setup on the pool deck. Performance parameters such as mean force, maximum force, mean peak force and total impulse were defined with custom Python scripts. Test-retest reliability was assessed using intra-class correlations (ICC3,1). Group comparisons were explored between male and female players. Level of significance was set at p < 0.05. The reliability findings were high to very high for the mean force, maximum force, mean peak force, inter-stroke range, and total impulse (ICC 0.85-0.93, p < 0.01). Group comparisons showed significantly greater values in male players for these variables (p < 0.01, ES = 1.05-9.36) with large to very large effect sizes. However, there was no significant difference in endurance measured between sexes (p = 0.88, ES = 0.04). This study presents a methodology with satisfactory metrological qualities for field applications using simple and affordable equipment. The testing apparatus presented in this study can readily be replicated in a variety of training environments by practitioners working with water polo teams. Coaches can use this approach to evaluate individual player progress or to compare performance across a group of water polo players.
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Affiliation(s)
- Félix Croteau
- Institut national du sport du Québec, Montréal, Canada
- Water Polo Canada, Montréal, Canada
- McGill University, School of Physical and Occupational Therapy, Montréal, Canada
| | - Elouan Lanoé
- Institut national du sport du Québec, Montréal, Canada
- École de Technologie Supérieure, Département de Génie des systèmes, Montréal, Canada
| | - Julien Clément
- Institut national du sport du Québec, Montréal, Canada
- Water Polo Canada, Montréal, Canada
- École de Technologie Supérieure, Département de Génie des systèmes, Montréal, Canada
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Hwang B, Shim G, Choi W, Kim J. Estimation of One-Repetition Maximum, Type, and Repetition of Resistance Band Exercise Using RGB Camera and Inertial Measurement Unit Sensors. SENSORS (BASEL, SWITZERLAND) 2023; 23:1003. [PMID: 36679801 PMCID: PMC9862694 DOI: 10.3390/s23021003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/10/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
Resistance bands are widely used nowadays to enhance muscle strength due to their high portability, but the relationship between resistance band workouts and conventional dumbbell weight training is still unclear. Thus, this study suggests a convolutional neural network model that identifies the type of band workout and counts the number of repetitions and a regression model that deduces the band force that corresponds to the one-repetition maximum. Thirty subjects performed five different exercises using resistance bands and dumbbells. Joint movements during each exercise were collected using a camera and an inertial measurement unit. By using different types of input data, several models were created and compared. As a result, the accuracy of the convolutional neural network model using inertial measurement units and joint position is 98.83%. The mean absolute error of the repetition counting algorithm ranges from 0.88 (seated row) to 3.21 (overhead triceps extension). Lastly, the values of adjusted r-square for the 5 exercises are 0.8415 (chest press), 0.9202 (shoulder press), 0.8429 (seated row), 0.8778 (biceps curl), and 0.9232 (overhead triceps extension). In conclusion, the model using 10-channel inertial measurement unit data and joint position data has the best accuracy. However, the model needs to improve the inaccuracies resulting from non-linear movements and one-time performance.
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Affiliation(s)
- Byunggon Hwang
- Department of Advanced Convergence, BK21 FOUR, Handong Global University, Pohang 37554, Republic of Korea
| | - Gyuseok Shim
- Department of Advanced Convergence, BK21 FOUR, Handong Global University, Pohang 37554, Republic of Korea
| | - Woong Choi
- College of ICT Construction & Welfare Convergence, Kangnam University, 40, Yongin 16979, Republic of Korea
| | - Jaehyo Kim
- Department of Mechanical and Control Engineering, Handong Global University, Pohang 37554, Republic of Korea
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Vieira FT, de Oliveira GS, Gonçalves VSS, Neri SGR, de Carvalho KMB, Dutra ES. Effect of physical exercise on muscle strength in adults following bariatric surgery: A systematic review and meta-analysis of different muscle strength assessment tests. PLoS One 2022; 17:e0269699. [PMID: 35687555 PMCID: PMC9187088 DOI: 10.1371/journal.pone.0269699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/25/2022] [Indexed: 11/18/2022] Open
Abstract
Individuals following bariatric surgery are considered at high risk for the development of sarcopenic obesity (excess fat mass, low muscle mass and low physical function), and exercise may play an important role in its prevention and treatment. We systematically reviewed 5 scientific databases (Embase, Medline, Scopus, SPORTDiscus, and Web of Science) and 2 grey literature databases (ProQuest and Google Scholar) for clinical trials that evaluated the effect of exercise on muscle strength in adults following bariatric surgery and conducted a separate meta-analysis for studies that used different muscle strength tests. Random-effect models, restricted maximum likelihood method and Hedges' g were used. The review protocol was registered at the International Prospective Register of Systematic Reviews (PROSPERO) database (CRD42020152142). Fifteen studies were included (638 patients), none had a low risk of bias, and all were included in at least 1 of the 5 meta-analyses (repetition maximum [lower and upper limbs], sit-to-stand, dynamometer, and handgrip tests). Exercise interventions improved both upper (effect size, 0.71; 95% CI, 0.41-1.01; I2 = 0%) and lower (effect size, 1.37; 95% CI, 0.84-1.91; I2 = 46.14) limb muscle strength, as measured by repetition maximum tests. Results were similar for the sit-to-stand (effect size, 0.60; 95% CI, 0.20-1.01; I2 = 68.89%) and dynamometer (effect size, 0.46; 95% CI, 0.06-0.87; I2 = 31.03%), but not for the handgrip test (effect size, 0.11; 95% CI, -0.42-0.63; I2 = 73.27%). However, the certainty level of the meta-analyses was very low. Exercise with a resistance training component performed post bariatric surgery may improve muscle strength, which is related to sarcopenic obesity, functional capacity, and mortality risk, therefore should be included in the follow-up.
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Affiliation(s)
| | | | | | - Silvia G. R. Neri
- Graduate Program in Physical Education of the University of Brasilia, Brasilia, Brazil
| | | | - Eliane Said Dutra
- Graduate Program in Human Nutrition of the University of Brasilia, Brasilia, Brazil
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Reliability and Validity of the Athletic Shoulder (ASH) Test Performed Using Portable Isometric-Based Strength Training Device. BIOLOGY 2022; 11:biology11040577. [PMID: 35453777 PMCID: PMC9024613 DOI: 10.3390/biology11040577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/07/2022] [Accepted: 04/07/2022] [Indexed: 11/17/2022]
Abstract
Simple Summary The Athletic Shoulder (ASH) test was developed to quantify force across the shoulder girdle in athletes for diagnosis and monitoring. Initially, this test was performed using force plates. The question remains whether force plates may be replaced with a more feasible tool for field testing, such as an isometric-based strength training device. Hence, the present study determined whether Active5™ may be an alternative to force plates for ASH test purposes. Consequently, the ASH test was performed on different days by the same rater and different raters using Active5™ and K-Force plates. It was also checked whether the test results obtained using various tools correlated with each other. The study indicated that both devices were reliable tools, and the ASH test results obtained with the use of the two devices were largely correlated with each other. Abstract The Athletic Shoulder (ASH) test was introduced as a tool for quantifying the ability to produce and transfer force across the shoulder girdle. Whether using the portable isometric-based strength training device Active5™ is a reliable alternative to a gold standard force plate for ASH testing purposes remains unknown; therefore, the present study determined the reliability and validity of Active5™ usage in the ASH test compared to force plates. Fifty-one healthy participants performed the ASH test using Active5™ and K-Force plates in three separate sessions. The maximal force was measured bilaterally in a prone position at three shoulder abduction angles, precisely at 180°, 135°, and 90°. The first rater carried out the first and third sessions, spaced at a one-week interval. A second rater performed the second session. The reliability was assessed using the intraclass correlation coefficient (ICC). The linear Pearson’s correlation coefficient (r) calculation was used to determine the relationship between ASH test results using the two devices. The ICC = 0.77–0.99 result indicated good to excellent reliability for Active5™ usage. A high to a very high correlation between the two devices at 180° and 90° was noted (r = 0.75–0.95). This data supports the isometric-based strength training device Active5™ as a reliable and valid tool for ASH test performance.
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Johansson F, Asker M, Malmberg A, Fernandez-Fernandez J, Warnqvist A, Cools A. Eccentric and Isometric Shoulder Rotation Strength and Range of Motion: Normative Values for Adolescent Competitive Tennis Players. Front Sports Act Living 2022; 4:798255. [PMID: 35252855 PMCID: PMC8891455 DOI: 10.3389/fspor.2022.798255] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 01/10/2022] [Indexed: 11/13/2022] Open
Abstract
The aim of this cross-sectional study was to investigate isometric internal rotation (IR), external rotation (ER), abduction (ABD), and eccentric external rotation (eccER) shoulder strength and rotational range of motion (ROM) in adolescent male and female competitive tennis players. Additional aims of the study were to provide a tennis-specific normative database based on a large sample of players to deepen the knowledge regarding shoulder strength and ROM for adolescent competitive tennis players, and to discuss differences based on sex, age, and level of play. Shoulder strength and ROM was assessed in 301 adolescent competitive tennis players, 176 boys and 125 girls with a mean age of 14.6 and 14.4 years, respectively. Outcome variables of interest were isometric IR and ER strength, ABD strength, eccER shoulder strength, intermuscular strength ratios ER/IR and eccER/IR, IR ROM, ER ROM, and total range of motion (TROM). A General Linear Model two-way ANOVA was used to analyze differences in sex, age, and level of play. The findings of this study demonstrated age, side, and sex differences in the shoulder isometric strength, the eccER strength and ROM in adolescent competitive tennis players. Furthermore, when strength was expressed as ratios ER/IR and eccER/IR both sexes showed a lower ratio for eccER/IR in national players (0.95 ± 0.22 and 0.95 ± 0.23) compared to regional players (1.01 ± 0.32 and 1.07 ± 0.29) for male and female players, respectively. In conclusion, this paper presents a tennis-specific normative database for shoulder rotation strength and ROM in adolescent male and female competitive players. The key points in this evaluation are strength values normalized to body mass, intermuscular ratios, and TROM.
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Affiliation(s)
- Fredrik Johansson
- Tennis Research and Performance Group, Department of Health Promotion Science, Sophiahemmet University, Stockholm, Sweden
- Scandinavian College of Naprapathic Manual Medicine, Stockholm, Sweden
- *Correspondence: Fredrik Johansson
| | - Martin Asker
- Scandinavian College of Naprapathic Manual Medicine, Stockholm, Sweden
- Handball Research Group, Department of Health Promotion Science, Sophiahemmet University, Stockholm, Sweden
| | - Andreas Malmberg
- Tennis Research and Performance Group, Department of Health Promotion Science, Sophiahemmet University, Stockholm, Sweden
| | | | - Anna Warnqvist
- Division of Biostatistics, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Ann Cools
- Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Gent, Belgium
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Intra- and Inter-Rater Reliability of Strength Measurements Using a Pull Hand-Held Dynamometer Fixed to the Examiner's Body and Comparison with Push Dynamometry. Diagnostics (Basel) 2021; 11:diagnostics11071230. [PMID: 34359313 PMCID: PMC8303393 DOI: 10.3390/diagnostics11071230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/03/2021] [Accepted: 07/03/2021] [Indexed: 11/25/2022] Open
Abstract
Hand held dynamometers (HHDs) are the most used method to measure strength in clinical sitting. There are two methods to realize the assessment: pull and push. The purpose of the present study was to evaluate the intra- and inter-rater reliability of a new measurement modality for pull HHD and to compare the inter-rater reliability and agreement of the measurements. Forty healthy subjects were evaluated by two assessors with different body composition and manual strength. Fifteen isometric tests were performed in two sessions with a one-week interval between them. Reliability was examined using the intra-class correlation (ICC) and the standard error of measurement (SEM). Agreement between raters was examined using paired t-tests. Intra- and inter-rater reliability for the tests performed with the pull HHD showed excellent values, with ICCs ranging from 0.991 to 0.998. For tests with values higher than 200 N, push HHD showed greater differences between raters than pull HHD. Pull HHD attached to the examiner’s body is a method with excellent reliability to measure isometric strength and showed better agreement between examiners, especially for those tests that showed high levels of strength. Pull HHD is a new alternative to perform isometric tests with less rater dependence.
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