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Aukštuolytė-Bačienė E, Daunoravičienė A, Tamulionytė V, Berškienė K, Narbutaitė J, Razon S, Slapšinskaitė-Dackevičienė A. Present but Ignored: Physical Condition and Health-Related Quality of Life in College-Aged Females with Generalized Joint Hypermobility. Healthcare (Basel) 2024; 12:1065. [PMID: 38891140 PMCID: PMC11171803 DOI: 10.3390/healthcare12111065] [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: 04/16/2024] [Revised: 05/19/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
BACKGROUND Generalized joint hypermobility (GJH) is prevalent among young adults, necessitating effective monitoring of musculoskeletal health, particularly among college-aged females. This study aimed to identify physical fitness and health-related quality of life (HR-QoL) characteristics associated with GJH. METHODS A total of 67 participants were assessed: 26 with GJH (mean age 20.06, SD 1.2 years), and 41 without (mean age 20.15, SD 2.2 years). Assessments included hypermobility, anthropometric data, foot posture, balance, flexibility, strength, and HR-QoL. We used the Mann-Whitney test for two independent samples, categorical variables were analyzed with Cramer's V test. The results indicated that participants with GJH exhibited inferior balance and back muscle static strength endurance but greater flexibility compared to those without GJH. Significant differences were observed in foot posture. However, handgrip strength, explosive strength, and abdominal muscle static strength endurance did not differ significantly between groups. No significant differences were observed in HR-QoL components between the two groups. In conclusion, there appears to be a link between GJH and increased flexibility, impaired balance, reduced back muscle static strength endurance, and altered posture of both feet.
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Affiliation(s)
- Ernesta Aukštuolytė-Bačienė
- Department of Sports Medicine, Faculty of Nursing, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania; (E.A.-B.); (A.D.); (V.T.); (K.B.); (J.N.)
| | - Algė Daunoravičienė
- Department of Sports Medicine, Faculty of Nursing, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania; (E.A.-B.); (A.D.); (V.T.); (K.B.); (J.N.)
| | - Vilma Tamulionytė
- Department of Sports Medicine, Faculty of Nursing, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania; (E.A.-B.); (A.D.); (V.T.); (K.B.); (J.N.)
| | - Kristina Berškienė
- Department of Sports Medicine, Faculty of Nursing, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania; (E.A.-B.); (A.D.); (V.T.); (K.B.); (J.N.)
| | - Jurgita Narbutaitė
- Department of Sports Medicine, Faculty of Nursing, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania; (E.A.-B.); (A.D.); (V.T.); (K.B.); (J.N.)
| | - Selen Razon
- Department of Kinesiology, College of Health Sciences, West Chester University of Pennsylvania, West Chester, PA 19383, USA;
| | - Agnė Slapšinskaitė-Dackevičienė
- Department of Sports Medicine, Faculty of Nursing, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania; (E.A.-B.); (A.D.); (V.T.); (K.B.); (J.N.)
- Health Research Institute, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania
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Glasser L, Frey M, Frias GC, Varghese B, Melendez JX, Hawes JD, Escobar J, Katt BM. Ballet Rehabilitation: A Novel Return to Sport Protocol. Cureus 2022; 14:e27896. [PMID: 36120223 PMCID: PMC9467490 DOI: 10.7759/cureus.27896] [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] [Accepted: 08/11/2022] [Indexed: 11/05/2022] Open
Abstract
Dance injuries and re-injuries are common but can be difficult to rehabilitate because of the unique demands and motor skills required. During tissue healing, pain resolves prior to tissue maturation and re-injury often occurs if the original injury is not properly rehabilitated. The purpose of this narrative review is to analyze the existing literature addressing ballet injury, re-injury, and recovery, and to provide clinicians with timing guidelines for entering and implementing a Return to Sport (RTS) ballet rehabilitation protocol designed to prevent re-injury by progressive, sport-specific tissue loading. Thus far, a literature-based ballet-specific and body region-specific late-stage rehabilitation RTS protocol has not been established. The authors sought to address this literature gap by combining this comprehensive narrative review with our extensive clinical expertise to develop a late-stage rehabilitation RTS protocol to help guide medical clinicians treating injured ballet dancers.
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Alghadir AH, Gabr SA, Al-Ghadir M. Oxidative Stress and Musculoskeletal Pain in University Students with Generalized Joint Hypermobility: A Case-Control Study. J Pain Res 2021; 14:2029-2037. [PMID: 34262337 PMCID: PMC8274523 DOI: 10.2147/jpr.s310022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 06/20/2021] [Indexed: 01/25/2023] Open
Abstract
Objective The current case–control study aimed to evaluate generalized joint hypermobility (GJH) and its association with pain intensity, cellular oxidative stress, and collagen-associated disorders in university students aged 18–25 years old. Background Joint hypermobility has been recognized in healthy subjects and people who are carriers of cellular disorders in connective tissues. Cellular tissue oxidative stress and collagen-associated disorders were shown to be associated with joint hypermobility (JH). Materials and Methods A total of 300 university students aged 18–25 years were randomly invited from different medical and science faculties in Mansoura university, Mansoura, Egypt to participate in this case–control study. Only 280 university students who had no exclusion criteria like chronic health problems, physical disability, musculoskeletal disorders, and body mass index (BMI) of ≥25 underwent an initial clinical interview and Beighton scoring as measures of GJH. Pain intensity, physical activity, oxidative stress parameters; TAC, TOC, OSI, and collagen-associated parameters; cellular prolidase activity and hydroxyproline were evaluated by using a prevalidated questionnaire, colorimetric, and immunoassay techniques. Results GJH was significantly reported in 57.1% of the study population, and most of them are females. Compared to men, females with GJH showed poor physical activity, lower TAC, and significantly higher levels of TOC, OSI, cellular prolidase activity, and hydroxyproline. Based on our findings, a high Beighton score is closely related to the tissue levels of prolidase, hydroxyproline, antioxidant activity, pain intensity, and poor physical activity in the female with GJH compared to men. Conclusion GJH was significantly reported in 57.1% of the study population, and most of them are females. The incidence of GJH showed to be associated with poor physical activity, abnormal cellular oxidative stress, and collagen abnormalities measured by significant increase in change in cellular prolidase activity and hydroxyproline.
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Affiliation(s)
- Ahmad H Alghadir
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Sami A Gabr
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia.,Department of Anatomy, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Muaz Al-Ghadir
- Department of Orthopedics, King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia
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Skwiot M, Śliwiński Z, Żurawski A, Śliwiński G. Effectiveness of physiotherapy interventions for injury in ballet dancers: A systematic review. PLoS One 2021; 16:e0253437. [PMID: 34166414 PMCID: PMC8224967 DOI: 10.1371/journal.pone.0253437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 06/05/2021] [Indexed: 11/19/2022] Open
Abstract
Background The unique repetitive nature of ballet dancing, which often involves transgressing endurance limits of anatomical structures, makes dancers prone to injury. The following systematic review aims to assess the effectiveness of physiotherapy interventions in the treatment of injuries in ballet dancers. Methods The review was performed in line with the PRISMA statement on preferred reporting items for systematic reviews and meta-analyses. Six electronic databases (PubMed, Ovid Embase, Cochrane, Medline, PEDro, Google Scholar) were queried. The study populations comprised active ballet dancers and/or ballet school attendees with acute and chronic injuries and those with persistent pain. There were no restrictions regarding age, sex, ethnicity or nationality. The Modified McMaster Critical Review Form for quantitative studies was used to assess the methodological quality of the studies reviewed in accordance with the relevant guidelines. Results Out of the total of 687 articles subjected to the review, 10 met the inclusion criteria. Diverse physiotherapeutic interventions were described and effectiveness was assessed using different parameters and measurements. Overall, the results indicate that physiotherapy interventions in ballet dancers exert a positive effect on a number of indices, including pain, ROM and functional status. Conclusions Due to the small amount of evidence confirming the effectiveness of physiotherapeutic interventions in ballet dancers after injuries and methodological uncertainties, it is recommended to improve the quality of prospective studies.
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Affiliation(s)
- Marlena Skwiot
- Faculty of Health Sciences, Jan Kochanowski University in Kielce, Kielce, Poland
- * E-mail:
| | - Zbigniew Śliwiński
- Faculty of Health Sciences, Jan Kochanowski University in Kielce, Kielce, Poland
| | - Arkadiusz Żurawski
- Faculty of Health Sciences, Jan Kochanowski University in Kielce, Kielce, Poland
| | - Grzegorz Śliwiński
- Institute of Biomedical Engineering, Faculty of Electrical and Computer Engineering, TU Dresden, Dresden, Germany
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Vera AM, Nho SJ, Mather Iii RC, Wuerz TH, Harris JD. Hip Instability in Ballet Dancers: A Narrative Review. J Dance Med Sci 2021; 25:176-190. [PMID: 34082862 DOI: 10.12678/1089-313x.091521c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Dancers possess a large degree of hip range of motion that results from a combination of innate and acquired osseous morphology and permissive soft tissues. Generalized hypermobility in dancers may predispose them to a spectrum of hip instability. The objective of this narrative review is to discuss the anatomical characteristics, pathogenesis, risk factors, clinical signs and symptoms, management, and outcomes of hip instability treatments in dancers. METHODS A retrospective search was performed beginning November 1, 2017, for English language articles regarding hip stability in the dancer. Key words used included but were not limited to: dance(r), ballet, hip, hypermobility, range of motion, instability, microinstability, and laxity. PubMed, Scopus, and MEDLINE databases were used. RESULTS Forty-three studies were analyzed. Groin pain was found to be the most common presenting symptom of hip instability. A variety of impingement and instability signs may be elicited during physical examination. Hypermobility is frequently observed and is thought to be a necessity for participation in elite levels of ballet. Radiographs and advanced planar imaging (magnetic resonance imaging and computed tomography) should be scrutinized to evaluate for dysplasia, cam, pincer, subspine, and rotational morphologies. Dysplasia (low volume acetabulum), cam morphology, femoral retroversion, and coxa valga are common findings in the ballet dancers' hip. Labral injuries and ligamentum teres tears are common and may potentiate instability in the hip. Management options include education, oral non-opioid medications, activity modification, exercise prescription, and surgery. Reported outcomes of these treatments in ballet are limited. CONCLUSION Hip hypermobility is prevalent in the ballet population and is a clear advantage. However, it may increase the risk of instability. It is important to identify the multifactorial osseous and soft tissue etiology of hip or groin pain in dancers. Practitioners should have a high level of suspicion for hip instability in the dancer presenting with hip pain and treat accordingly. There is a significant need for increased quantity and quality of investigation into the outcomes of treatment for hip instability in the dancer.
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Steinberg N, Tenenbaum S, Zeev A, Pantanowitz M, Waddington G, Dar G, Siev-Ner I. Generalized joint hypermobility, scoliosis, patellofemoral pain, and physical abilities in young dancers. BMC Musculoskelet Disord 2021; 22:161. [PMID: 33563260 PMCID: PMC7874653 DOI: 10.1186/s12891-021-04023-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 01/27/2021] [Indexed: 11/10/2022] Open
Abstract
Background Many young girls with generalized joint hypermobility (GJH) choose to participate in dance because their bodies are suited for this activity. Scoliosis tends to occur often in thin girls, who also are more likely to choose dance. Both anomalies (GJH and scoliosis) may be related to reduced abilities such as diminished strength and insufficient postural balance, with increased risk for musculoskeletal conditions. The main objectives of the present study were to determine the prevalence of dancers with GJH, the prevalence of dancers with scoliosis, and the prevalence of dancers with these two anomalies; and, to determine differences in physical abilities and the presence of patellofemoral pain (PFP) between young female dancers with and without such anomalies. Methods One hundred thirty-two female dancers, aged 12–14 years, were assessed for anthropometric parameters, GJH, scoliosis, knee muscle strength, postural balance, proprioception ability, and PFP. Results GJH was identified in 54 dancers (40.9%) and scoliosis in 38 dancers (28.8%). Significant differences were found in the proportion of dancers with no anomalies (74 dancers, 56.1%) and dancers with both anomalies (34 dancers, 25.8%) (p < .001). Dancers with both anomalies had reduced dynamic postural balance in the anterior direction (p = .023), reduced proprioception ability (p < .001), and weaker knee extensors (p = .036) and flexors (p = .040) compared with dancers with no anomalies. Among dancers with both anomalies, 73.5% suffered bilateral PFP, 17.6% suffered unilateral PFP, and 8.8% had no PFP (p < .001). Conclusions A high prevalence of young girls participating in dance classes had GJH, as the increased joint flexibility probably provides them with some esthetic advantages. The high prevalence of scoliosis found in these young dancers might be attributed to their relatively low body mass, their delayed maturation, and the selection process of dancers. Dancers with both GJH and scoliosis had decreased muscle strength, reduced postural balance, reduced proprioception, with higher risk of PFP. The main clinical implications are the need to reduce the risk of PFP among dancers by developing appropriate strength and stabilizing exercises combined with proprioceptive and postural balance training, to improve the correct alignment of the hyperextended and hypermobile joints, and to improve their supporting muscle strength.
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Affiliation(s)
- Nili Steinberg
- Anatomy Laboratory, The Academic College at Wingate, Wingate Institute, Netanya, Israel.
| | - Shay Tenenbaum
- Department of Orthopedic Surgery, Chaim Sheba Medical Center Tel-Hashomer, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Aviva Zeev
- Anatomy Laboratory, The Academic College at Wingate, Wingate Institute, Netanya, Israel
| | - Michal Pantanowitz
- Anatomy Laboratory, The Academic College at Wingate, Wingate Institute, Netanya, Israel
| | | | - Gali Dar
- Department of Physical Therapy, Faculty of Social Welfare & Health Studies, University of Haifa, Haifa, Israel
| | - Itzhak Siev-Ner
- Orthopedic Rehabilitation Department, Chaim Sheba Medical Center, Tel-Hashomer, Israel
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Vera AM, Peterson LE, Dong D, Haghshenas V, Yetter TR, Delgado DA, McCulloch PC, Varner KE, Harris JD. High Prevalence of Connective Tissue Gene Variants in Professional Ballet. Am J Sports Med 2020; 48:222-228. [PMID: 31765226 DOI: 10.1177/0363546519887955] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND There is a high prevalence of hypermobility spectrum disorder (HSD) in dancers. While there is no known genetic variant for HSD, hypermobile Ehlers-Danlos syndrome is a genetic disorder that exists within HSD. There are many connective tissue disorders (CTDs) with known (and unknown) genes associated with hypermobility. Hypermobility has distinct advantages for participation in flexibility sports, including ballet. PURPOSE To determine the prevalence of gene variants associated with hypermobility in a large professional ballet company. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS In this cross-sectional investigation, 51 professional male and female dancers from a large metropolitan ballet company were eligible and offered participation after an oral and written informed consent process. Whole blood was obtained from peripheral venipuncture, and DNA was isolated. Isolated DNA was subsequently enriched for the coding exons of 60 genes associated with CTD that included hypermobility as a phenotype, including Ehlers-Danlos syndromes, osteogenesis imperfecta, Marfan syndrome, and others. Genes were targeted with hybrid capture technology. Prepared DNA libraries were then sequenced with next-generation sequencing technology. Genetic database search tools (Human Gene Mutation Database and e!Ensembl, http://useast.ensembl.org/ ) were used to query specific variants. Descriptive statistics were calculated. RESULTS Of 51 dancers, 32 (63%) agreed to participate in DNA analysis (mean ± SD age, 24.3 ± 4.4 years; 18 men, 14 women). Twenty-eight dancers had at least 1 variant in the 60 genes tested, for an 88% prevalence. A total of 80 variants were found. A variant in 26 of the 60 genes was found in at least 1 dancer. Among the 28 dancers with variants, 16 were found in the TTN gene; 10 in ZNF469; 5 in RYR1; 4 in COL12A1; 3 in ABCC6 and COL6A2; 2 in ADAMTS2, CBS, COL1A2, COL6A3, SLC2A10, TNC, and TNXB; and 1 in ATP6V0A2, B4GALT7, BMP1, COL11A1, COL5A2, COL6A1, DSE, FBN1, FBN2, NOTCH1, PRDM5, SMAD3, and TGFBR1. Nine variants found in this population have never been reported. No identified variant was identical to any other variant. No identified variant was known to be disease causing. In the general population, the prevalence of each variant ranges from never reported to 0.33%. In the study population, the prevalence of each variant was 3.13%. There was no association between hypermobility scores and genetic variants. CONCLUSION Genetic variants in CTD-associated genes are highly prevalent (88%) in professional ballet dancers. This may significantly account for the high degree of motion in this population.
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Affiliation(s)
- Angelina M Vera
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
| | - Leif E Peterson
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
| | - David Dong
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
| | - Varan Haghshenas
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
| | - Thomas R Yetter
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
| | | | | | - Kevin E Varner
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
| | - Joshua D Harris
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, USA
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Antonio DH, Magalhaes CS. Survey on joint hypermobility in university students aged 18-25 years old. Adv Rheumatol 2018; 58:3. [PMID: 30657079 DOI: 10.1186/s42358-018-0008-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 04/19/2018] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Joint hypermobility is defined as a wide range of movements beyond the physiological limits, it has been recognized in healthy people, gymnasts, acrobats, and carriers of genetic affections of connective tissue. A survey among young adults was conducted to describe the frequency of joint hypermobility, estimating its impact on function and quality of life. METHODS Volunteer university students aged 18 to 25 years old who answered a valid 5-item questionnaire about hypermobility, a physical activity questionnaire, and the Brazilian version of the Medical Outcome Survey Short Form 36 (SF-36) were included. Hypermobility was also assessed by a guided self-examination, with Beighton's criteria being scored and scores greater than or equal to 4 or less than 4 being discriminated. RESULTS A total of 388 subjects were included, of which 299 were women (77.06%) and 89 were men (22.94%); the median age was 23 years old. Generalized joint hypermobility (Beighton score ≥ 4) was observed in 104 individuals (26.8%). Localized hypermobility (Beighton score 1-3) was observed in 135 (34.79%) individuals, where the hypermobility of the 5th finger was the most frequent in 165 (57.47%) individuals, followed by hypermobility of the thumb in 126 (32.56%) individuals, hypermobility of the elbows and knees each in 72 (18.6%) individuals, and hypermobility of the spine in 69 (17.79%) individuals. The descriptive observation of physical activity indicated regular practice. The correlation coefficients between the SF-36 domains and hypermobility scores were very low and statistical comparison not significant. CONCLUSION In this population of youngsters, predominantly women, localized hypermobility was more frequent than generalized hypermobility; however, with low impact on health domains and quality of life scores, estimated in each domain of the SF-36, the physical and mental component scores, and the time dedicated to physical activity.
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Affiliation(s)
- Darcisio Hortelan Antonio
- Pediatrics Department, Botucatu Medical School, Graduate Program in Public Health of UNESP, Sao Paulo State University UNESP, Avenida Prof. Mario Rubens Guimarães Montenegro SN, Campus da Unesp, Rubião Junior, CEP, Botucatu, SP, 18618-687, Brazil
| | - Claudia Saad Magalhaes
- Pediatrics Department, Botucatu Medical School, Graduate Program in Public Health of UNESP, Sao Paulo State University UNESP, Avenida Prof. Mario Rubens Guimarães Montenegro SN, Campus da Unesp, Rubião Junior, CEP, Botucatu, SP, 18618-687, Brazil.
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Armstrong R, Greig DM. The Beighton score as a predictor of Brighton criteria in sport and dance. Phys Ther Sport 2018; 32:145-154. [PMID: 29793123 DOI: 10.1016/j.ptsp.2018.04.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 03/08/2018] [Accepted: 04/18/2018] [Indexed: 01/19/2023]
Abstract
OBJECTIVES To determine the efficacy of using the Beighton joint hypermobility score as a predictor of Brighton criteria components, considering the influence of gender and sports participation. DESIGN Cross sectional study design. SETTING A University. PARTICIPANTS Sixty-five female rugby players, 38 male rugby players, 61 netball players, 42 female dancers, 40 male controls and 40 female controls. MAIN OUTCOME MEASURES The Beighton score was assessed using the Beighton and Horan Joint Mobility Index. The Brighton criteria was used to assess joint hypermobility syndrome. A binary logistic regression was performed for a pooled sample (n = 286), and subsequently for gender and sport to assess the Beighton score as a predictor of Brighton criteria. RESULTS Beighton scores were found to be a predictor of arthralgia (P = 0.002), dislocation and subluxation (P = 0.048) in the pooled analysis; a predictor of dislocation and subluxation (P = 0.047) in males and arthralgia (P = 0.001) in females. Beighton scores were a predictor of arthralgia in female rugby (P = 0.003) and in female controls (P = 0.012). CONCLUSIONS The potential of the Beighton score to predict joint arthralgia and dislocation/subluxation may allow clinicians to implement effective injury prevention strategies.
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Affiliation(s)
- Ross Armstrong
- Department of Sport and Physical Activity, Sports Injuries Research Group, Edge Hill University, Ormskirk, Lancashire L39 4QP, England, United Kingdom.
| | - Dr Matt Greig
- Department of Sport and Physical Activity, Sports Injuries Research Group, Edge Hill University, Ormskirk, Lancashire L39 4QP, England, United Kingdom
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Bronner S, Bauer NG. Risk factors for musculoskeletal injury in elite pre-professional modern dancers: A prospective cohort prognostic study. Phys Ther Sport 2018; 31:42-51. [PMID: 29597115 DOI: 10.1016/j.ptsp.2018.01.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 12/22/2017] [Accepted: 01/23/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVES To examine risk factors for injury in pre-professional modern dancers. DESIGN With prospectively designed screening and injury surveillance, we evaluated four risk factors as categorical predictors of injury: i) hypermobility; ii) dance technique motor-control; iii) muscle tightness; iv) previous injury. Screening and injury data of 180 students enrolled in a university modern dance program were reviewed over 4-yrs of training. Dancers were divided into 3-groups based on predictor scores. Dance exposure was based on hours of technique classes/wk. Negative binomial log-linear analyses were conducted with the four predictors, p < 0.05. RESULTS Dancers with low and high Beighton scores were 1.43 and 1.22 times more likely to sustain injury than dancers with mid-range scores (p ≤ 0.03). Dancers with better technique (low or medium scores) were 0.86 and 0.63 times less likely to sustain injury (p = 0.013 and p < 0.001) compared to those with poor technique. Dancers with one or 2-4 tight muscles were 2.7 and 4.0 times more likely to sustain injury (p ≤ 0.046). Dancers who sustained 2-4 injuries in the previous year were 1.38 times more likely to sustain subsequent injury (p < 0.001). CONCLUSIONS This contributes new information on the value of preseason screening. Dancers with these risk factors may benefit from prevention programs.
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Affiliation(s)
- Shaw Bronner
- ADAM Center, New York, NY, USA; Alvin Ailey American Dance Theater, New York, NY, USA.
| | - Naomi G Bauer
- ADAM Center, New York, NY, USA; Department of Physical and Occupational Therapy, Duke University Health System, Durham, NC, USA
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Real-time sonoelastography findings of a hypermobile child: a new technique in the assessment of tendon laxity. Rheumatol Int 2015; 35:2115-7. [PMID: 26238093 DOI: 10.1007/s00296-015-3326-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 07/14/2015] [Indexed: 10/23/2022]
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