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Mizoguchi Y, Suzuki K, Shimada N, Naka H, Hall T, Akasaka K. Prevalence and associated factors of non-traumatic knee pain in high school volleyball players: a cross-sectional study. PHYSICIAN SPORTSMED 2024:1-7. [PMID: 38669135 DOI: 10.1080/00913847.2024.2348439] [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: 02/24/2024] [Accepted: 04/24/2024] [Indexed: 04/28/2024]
Abstract
OBJECTIVES This study aimed to determine the prevalence of knee pain among high school volleyball attackers, identify associated factors, and explore the relationship between knee pain and lower back pain (LBP). METHODS A cross-sectional study involving 82 high school volleyball attackers (15-17 years) used questionnaires, interviews, and field-based assessments to collect data on demographics, volleyball-specific factors, flexibility, and jumping ability. Logistic regression analysis was used to identify factors associated with knee pain. RESULTS The prevalence of knee pain was 19.5%. Factors significantly associated with knee pain were a history of LBP (OR, 4.64; 95% CI, 1.28 to 16.8; p = 0.019) and flexibility determined by the absolute difference in heel-buttock distance (OR, 1.37; 95% CI, 1.02 to 1.83; p = 0.037). Participants with knee pain had more volleyball experience and a higher proportion of players who competed as starters in the previous year. Both groups reported approximately 18 hours of practice per week during the school year and around 27 hours during school holidays, with no significant difference observed. CONCLUSION Factors associated with knee pain include a history of LBP and reduced flexibility on the heel-buttock distance test. The study highlights the need for a comprehensive approach, considering the coexistence of LBP and focusing on improving anterior thigh flexibility.
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Affiliation(s)
- Yasuaki Mizoguchi
- Graduate School of Medicine, Saitama Medical University, Saitama, Japan
- Department of Rehabilitation, Kimura Orthopaedic Clinic, Saitama, Japan
| | - Kenta Suzuki
- Department of Rehabilitation, Kimura Orthopaedic Clinic, Saitama, Japan
| | - Naoki Shimada
- Department of Rehabilitation, Kurando Orthopaedic Clinic, Saitama, Japan
| | - Hiroyuki Naka
- Department of Rehabilitation, Saitama Medical University Hospital, Saitama, Japan
| | - Toby Hall
- Curtin School of Allied Health, Curtin University, Perth, Australia
| | - Kiyokazu Akasaka
- Graduate School of Medicine, Saitama Medical University, Saitama, Japan
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Domaradzki J, Koźlenia D, Popowczak M, Šimonek J, Paška Ľ, Horička P. Prognostic Power of Foot Mobility in Identifying the Risk of Musculoskeletal Injuries: A Cross-Sectional Study of Male Volleyball Players at Different Competitive Levels. J Clin Med 2024; 13:1189. [PMID: 38592051 PMCID: PMC10932415 DOI: 10.3390/jcm13051189] [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: 01/09/2024] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 04/10/2024] Open
Abstract
(1) Background: The arch structure and mobility of the foot are considered injury risk factors in volleyball. However, there are limited studies presenting differences in injury prevalence and the risk of lower limb injuries in relation to the competitive level in male volleyball. Therefore, the main aim of the current study was to evaluate foot mobility (through navicular drop test) as an injury risk factor in volleyball players from different competitive levels. (2) Methods: The reliability and usefulness of navicular drop testing were initially assessed in test-retest procedures (based on a sample of eight participants and 16 feet measurements), with primary analyses conducted using foot measurements of the twelve top-level volleyball players (24 feet) and eighteen academic-level volleyball players (36 feet). The modified navicular drop test was conducted, and the feet were classified based on arch height, and injury prevalence was retrospectively assessed with a previously validated questionnaire. Chi-squared tests, receiver operating curves, and logistic regression were used as statistical methods. The navicular drop test was verified as a reliable tool by intraclass correlation coefficient (ICC) (3.1) analysis. (3) Results: There were no significant differences in injury prevalence between academic- and top-level volleyball players, though there was a significant relationship between pronated foot and injury risk independent of competitive level. Generally, for both groups, thresholds above 10 mm of the navicular drop were predictors of lower limb injuries. The risk of injury if the foot was pronated ranged from 70% (academic level) to over 90% (top-level players). However, no statistically significant effect of competitive level on the chance of injury was observed. (4) Conclusions: Our study found a high prevalence of foot injuries independently of competitive level. There was a relationship between pronation of the foot and the risk of injury. However, the risk of lower limb injury was higher in pronated top-level players. Also, a navicular drop greater than 10 mm was an excellent predictor of injuries at both competitive levels.
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Affiliation(s)
- Jarosław Domaradzki
- Faculty of Physical Education and Sport, Wroclaw University of Health and Sport Sciences, I.J. Paderewskiego 35, 51-612 Wroclaw, Poland
| | - Dawid Koźlenia
- Faculty of Physical Education and Sport, Wroclaw University of Health and Sport Sciences, I.J. Paderewskiego 35, 51-612 Wroclaw, Poland
| | - Marek Popowczak
- Faculty of Physical Education and Sport, Wroclaw University of Health and Sport Sciences, I.J. Paderewskiego 35, 51-612 Wroclaw, Poland
| | - Jaromir Šimonek
- Department of Physical Education and Sport, Constantine the Philosopher University in Nitra, Tr. A. Hlinku 1, 94901 Nitra, Slovakia; (J.Š.); (Ľ.P.); (P.H.)
| | - Ľubomír Paška
- Department of Physical Education and Sport, Constantine the Philosopher University in Nitra, Tr. A. Hlinku 1, 94901 Nitra, Slovakia; (J.Š.); (Ľ.P.); (P.H.)
| | - Pavol Horička
- Department of Physical Education and Sport, Constantine the Philosopher University in Nitra, Tr. A. Hlinku 1, 94901 Nitra, Slovakia; (J.Š.); (Ľ.P.); (P.H.)
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Agostini F, de Sire A, Furcas L, Finamore N, Farì G, Giuliani S, Sveva V, Bernetti A, Paoloni M, Mangone M. Postural Analysis Using Rasterstereography and Inertial Measurement Units in Volleyball Players: Different Roles as Indicators of Injury Predisposition. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2102. [PMID: 38138205 PMCID: PMC10744809 DOI: 10.3390/medicina59122102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 11/27/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023]
Abstract
Background and Objectives: Acute and chronic injuries are frequent in volleyball. Biomechanics of sport-specific tasks can influence the risk of injury, which is also related to specific court positions. We investigated posture at raster-stereography, balance, and dynamic tasks using inertial motion units to find differences between roles, which can be predictive of a higher risk of injury. Materials and Methods: We cross-sectionally evaluated amateur volleyball athletes. Participants were divided into roles as outside hitters, setters, middle blockers, and opposite hitters. We excluded the "libero" position from our analysis. Results: Sixteen players were included in the analysis. A statistically significant difference was found in left lower limb stiffness among the outside hitter and setter groups. Conclusions: Differences in stiffness might be related to the different training and the different abilities among the two groups. Raster-stereography is extending its indications and should be implemented for non-invasive postural analysis. The use of inertial motion units provides objective measurements of variables that could go unrecognized within a clinical evaluation; its use should be considered in injury preventive programs.
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Affiliation(s)
- Francesco Agostini
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
- Department of Neurological and Rehabilitation Science, IRCCS San Raffaele, 00166 Rome, Italy
| | - Alessandro de Sire
- Physical Medicine and Rehabilitation Unit, Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy;
- Research Center on Musculoskeletal Health, MusculoSkeletalHealth@UMG, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy
| | - Luca Furcas
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
| | - Nikolaos Finamore
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
| | - Giacomo Farì
- Department of Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, 73100 Lecce, Italy; (G.F.); (A.B.)
| | - Sara Giuliani
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
| | - Valerio Sveva
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
| | - Andrea Bernetti
- Department of Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, 73100 Lecce, Italy; (G.F.); (A.B.)
| | - Marco Paoloni
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
| | - Massimiliano Mangone
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (L.F.); (N.F.); (S.G.); (V.S.); (M.P.); (M.M.)
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Knež V, Hudetz D. Eccentric Exercises on the Board with 17-Degree Decline Are Equally Effective as Eccentric Exercises on the Standard 25-Degree Decline Board in the Treatment of Patellar Tendinopathy. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1916. [PMID: 38003964 PMCID: PMC10673171 DOI: 10.3390/medicina59111916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/23/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023]
Abstract
Background and Objectives: Patellar tendinopathy is one of the most significant problems in jumping and running athletes. Eccentric quadriceps exercise has been introduced into the therapy of patients with patellar tendinopathy in order to avoid weakening the tendon during rehabilitation. The use of decline boards with a decline angle of 25° has been the cornerstone of therapy over the last two decades. Biomechanical studies have suggested that an equal or potentially better outcome could be achieved with lower angles of decline (up to 16°). Materials and Methods: In this present research, we compared the effects of two various decline board angles on the clinical outcome of patients treated for patellar tendinopathy by performing eccentric quadriceps exercises. Patients were randomly allocated into two groups: patients practicing on the standard board with a 25° decline, and patients practicing on the 17° decline (n = 35 per group). Results: After 6 weeks of exercise, we found a significant improvement in all the clinical scores (VISA-P score, KOOS score, Lysholm Knee Questionnaire/Tegner Activity Scale, and VAS scale) of treated patients. However, there was no significant difference between the patients who performed eccentric quadriceps exercises on the standard 25° decline board and those exercising on the 17° decline board. A smaller additional degree of improvement was visible at the end of the follow-up period (at 12 weeks), but, again, no statistical difference could be detected between the investigated groups. We conclude that both treatment options provide similar short-term and midterm benefits regarding improvements in pain and clinical scores. The improvement in clinical scores does not depend on age, sex, BMI, or the professional sport of the patient. Conclusions: Our findings encourage changes in the decline angle of the board in the case of a patient's discomfort in order to achieve better compliance without affecting the recovery.
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Affiliation(s)
- Vladimir Knež
- Special Hospital for Medical Rehabilitation Varaždinske Toplice, 42223 Varaždinske Toplice, Croatia
| | - Damir Hudetz
- Department for Orthopaedic Surgery, University Hospital, “Sveti Duh”, Sveti Duh 64, 10000 Zagreb, Croatia;
- Department for Traumatology and Orthopaedics, University Hospital Dubrava, 10000 Zagreb, Croatia
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