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Cejudo A. Risk Factors for, and Prediction of, Shoulder Pain in Young Badminton Players: A Prospective Cohort Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:13095. [PMID: 36293672 PMCID: PMC9603414 DOI: 10.3390/ijerph192013095] [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: 09/05/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Shoulder pain (SP) caused by hitting the shuttlecock is common in young badminton players. The objectives of the present study were to predict the risk factors for SP in young badminton players, and to determine the optimal risk factor cut-off that best discriminates those players who are at higher risk of suffering from SP. METHODS A prospective cohort study was conducted with 45 under-17 badminton players who participated in the Spanish Championship. Data were collected on anthropometric age, sports history, sagittal spinal curves, range of motion (ROM) and maximum isometric strength of shoulder. After 12 months, players completed a SP history questionnaire. Bayesian Student's t-analysis, binary logistic regression analysis and ROC analysis were performed. RESULTS Overall, 18 (47.4%) players reported at least one episode of SP. The shoulder internal rotation (SIR) ROM showed the strongest association (OR = 1.122; p = 0.035) with SP. The SIR ROM has an excellent ability to discriminate players at increased risk for SP (p = 0.001). The optimal cut-off for SIR ROM, which predicts players with an 81% probability of developing SP, was set at 55° (sensitivity = 75.0%, specificity = 83.3%). CONCLUSIONS The young badminton players who had a shoulder internal rotation ROM of 55° or less have a higher risk of SP one year later.
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Affiliation(s)
- Antonio Cejudo
- Department of Physical Activity and Sport, Faculty of Sport Sciences, CEIR Campus Mare Nostrum (CMN), University of Murcia, 30720 Murcia, Spain; ; Tel.: +34-868-888-430
- Locomotor System and Sport Research Group (E0B5-07), University of Murcia, 30720 Murcia, Spain
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Maekawa M. Effects of Postural Interventions on Physical and Psychological Aspects of Children in Terms of Secondary Sexual Characteristics. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127401. [PMID: 35742649 PMCID: PMC9224195 DOI: 10.3390/ijerph19127401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/07/2022] [Accepted: 06/14/2022] [Indexed: 02/04/2023]
Abstract
Children with secondary sexual characteristics who experience considerable physical, psychological, and social development are prone to physical and mental imbalances. The effects of postural intervention on physical and psychological aspects in junior high school students in terms of secondary sexual characteristics were investigated in this study. Of the 30 participants in this study, 21 (10 boys, 11 girls) with complete measurements were included. The postural intervention consisted of 1 month of direct muscle stretching for postural maintenance and breathing as well as activities to orient the spinal curvature. The participants’ body arrangement, spinal curvature, and General Health Questionnaire 30 (GHQ) scores were compared before and after the postural intervention. The intervention improved postural alignment (e.g., head−neck angle t20 = 2.33, p < 0.05, 95%CI [0.30, 5.36]) and GHQ scores (e.g., GHQ total t20 = 3.36, p < 0.01, 95%CI [0.79, 3.40]). The postural intervention improved the posture of the students as well as positively affected their mental health. This study showed that students with secondary sexual characteristics can receive physical and psychological care without the use of special facilities or techniques.
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Affiliation(s)
- Maki Maekawa
- Department of Physical Education, International Pacific University, 721 Kanonji, Seto-cho, Higashi-ku, Okayama 709-0863, Japan
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Lower-Limb Range of Motion Predicts Sagittal Spinal Misalignments in Children: A Case-Control Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095193. [PMID: 35564587 PMCID: PMC9104746 DOI: 10.3390/ijerph19095193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/19/2022] [Accepted: 04/24/2022] [Indexed: 02/01/2023]
Abstract
The main objective of this study was to determine lower-limb range of motion (ROM) as a risk factor associated with sagittal spinal misalignments in children. Two hundred and one children (10.9 ± 0.7 years old) from five different primary schools were recruited for this retrospective case-control study. Anthropometric variables, sagittal spinal alignment in habitual everyday postures, and lower-limb ROM, such as ankle dorsiflexion with the knee flexed (ADF-KF), hip extension with the knee relaxed (HE), and hip flexion with the knee extended (HF-KE) were measured. Multivariate and univariate analyses revealed differences between the means of HE and HF-KE ROM, and the thoracic and lumbar curves (p ≤ 0.034; η2 ≥ 0.052). The HE (p ≤ 0.028; OR ≥ 1.066) predicted sagittal thoracic misalignment in the slump sitting (SSP) and relaxed standing (RSP) postures in males and the sagittal lumbar misalignment in the RSP in female children; while HF-KE (p ≤ 0.006; OR ≥ 1.089) predicted sagittal thoracic misalignment in the maximum trunk forward flexion posture (MTFP) and sagittal lumbar misalignment in SSP and MTFP in males. In this study, the reference values for restricted HE and HF-KE were significantly associated with sagittal spinal misalignment in male children but not for the ankle ROM. Physical education teachers should include stretching exercises in the ISQUIOS programme to increase the extensibility of the iliopsoas (HE) and hamstrings (HF-KE) and prevent sagittal spinal misalignments in habitual everyday postures.
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Alvero-Cruz JR, Santonja-Medina F, Sanz-Mengibar JM, Sainz de Baranda P. The Sagittal Integral Morphotype in Male and Female Rowers. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:12930. [PMID: 34948541 PMCID: PMC8700818 DOI: 10.3390/ijerph182412930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/03/2021] [Accepted: 12/05/2021] [Indexed: 11/16/2022]
Abstract
The goal of this study was to describe the integrated spinal assessment of the sagittal morphotype in rowers to determine whether the intense practice of rowing causes a modification of the sagittal curvatures of the spine, its relationship with the rowing technique, and training background. The second goal was to analyse how the dorsal and lumbar curves behave in the three phases of the rowing gesture, and to determine which phases can be detrimental to the correct development of the spine during growth. We analysed the spine curvatures in the sagittal plane of 29 females and 82 males, which were measured with an inclinometer in standing, slump sitting, maximal trunk flexion and during rowing performance. The average value of thoracic kyphosis in the rowers was 30° (mean, 30 + 8.27°). Thoracic hyperkyphosis was found in only two rowers (1.8%). Lumbar lordosis was within normal range in 84.1% of the males (mean, 27 + 9.57°) and 75.9% of female rowers (mean, 33°). Functional thoracic hyperkyphosis was observed in 57.4% of the males and 17.1% of the females. Functional lumbar hyperkyphosis was observed in 28 of the 69 males (40.5%) and five of 22 females (17.2%). Rowing seems to provide adequate spine alignment in the sagittal plane on standing. The integrated spinal assessment of the sagittal morphotype showed that half or our rowers presented with functional thoracic hyperkyphosis, and 43.2% presented with functional lumbar hyperkyphosis. Spine behaviour during the rowing technique shows that the thoracic kyphosis (98.2%) and lumbar spine (91%) perform within normative ranges and could explain the adequate positioning of the spine in the sagittal plane on standing. Years of rowing training tend to reduce thoracic kyphosis in males.
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Affiliation(s)
- Jose Ramón Alvero-Cruz
- Andalucía Tech, Faculty of Medicine, Campus de Teatinos, University of Málaga, 29071 Málaga, Spain;
| | - Fernando Santonja-Medina
- Sports and Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain; (J.M.S.-M.); (P.S.d.B.)
- Department of Surgery, Pediatrics, Obstetrics and Gynecology, Faculty of Medicine, University of Murcia, 30100 Murcia, Spain
- Department of Orthopaedic Surgery and Traumatology, “Virgen de la Arrixaca” University Clinical Hospital, 30120 Murcia, Spain
| | - Jose Manuel Sanz-Mengibar
- Sports and Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain; (J.M.S.-M.); (P.S.d.B.)
- Centre for Neuromuscular Diseases, National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London NW1 2BU, UK
| | - Pilar Sainz de Baranda
- Sports and Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain; (J.M.S.-M.); (P.S.d.B.)
- Department of Physical Activity and Sport, Faculty of Sport Sciences, University of Murcia, 30100 Murcia, Spain
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Cejudo A, Centenera-Centenera JM, Santonja-Medina F. The Potential Role of Hamstring Extensibility on Sagittal Pelvic Tilt, Sagittal Spinal Curves and Recurrent Low Back Pain in Team Sports Players: A Gender Perspective Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168654. [PMID: 34444402 PMCID: PMC8393976 DOI: 10.3390/ijerph18168654] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/03/2021] [Accepted: 08/13/2021] [Indexed: 12/05/2022]
Abstract
It is assumed that mechanical restriction of hamstring tightness disrupts sagittal spine–pelvis–leg alignment and alters the lumbar–pelvic rhythm predisposing to low back pain (LBP) in athletes; however, this association is not clear. A prospective cross-sectional cohort study was conducted to determine the influence of hamstring extensibility (HE) on sagittal pelvic tilt, sagittal spinal curves, and LBP in 94 soccer and basketball players (61 man and 33 woman) with (n = 36) and without recurrent LBP (n = 58). Descriptive analysis displayed significant gender differences for HE, sagittal pelvic tilt, and lumbar curve. Differences were found between the low-HE and high-HE groups in lumbosacral angle in for the maximum trunk forward flexion (LH-MTFP). Low-HE was associated with LH-MTFP, lumbar curve and LBP in male players (p ≤ 0.023). In female players, LH-MTFP and lumbar curve were associated with low-HE (p ≤ 0.020). Low-HE predicted LH-MTFP (p = 0.000; OR = 65.6950) and LBP (p = 0.028; OR = 13.915) in male players. The decision tree analysis showed that 50.8% of the players were classified with restricted LH-MTFP, 77.4% with low-HE among male players. The 100% of male players with recurrent LBP had low-HE. The 65% of female players with low-HE had restricted LH-MTFP. Measurement of HE, lumbar curve, and LH-MTFP are important in making training decisions for to reduce the incidence of recurrent LBP in soccer and basketball players.
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Affiliation(s)
- Antonio Cejudo
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
- Correspondence: (A.C.); (J.M.C.-C.); Tel.: +34-868-888-430 (A.C.); +34-972-204-350 (J.M.C.-C.)
| | - Josep María Centenera-Centenera
- Department of Surgery, Traumatology and Orthopedics, Bofill Clinic, 17002 Gerona, Spain
- Correspondence: (A.C.); (J.M.C.-C.); Tel.: +34-868-888-430 (A.C.); +34-972-204-350 (J.M.C.-C.)
| | - Fernando Santonja-Medina
- Department of Surgery, Pediatrics, Obstetrics and Gynecology, Faculty of Medicine, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain;
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Cejudo A, Centenera-Centenera JM, Santonja-Medina F. Sagittal Integral Morphotype of Competitive Amateur Athletes and Its Potential Relation with Recurrent Low Back Pain. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168262. [PMID: 34444009 PMCID: PMC8392335 DOI: 10.3390/ijerph18168262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 11/16/2022]
Abstract
Athletes have higher thoracic and lumbar curvature in standing than the reference values of the non-athletic population. The sagittal integral morphotype method (SIM) assessment has not previously been applied to competitive amateur athletes (CAA). The propose of the present study was to determine the SIM of CAA treated at a sports-medicine center and to identify spinal misalignments associated with recurrent low back pain (LBP). An observational analysis was developed to describe the SIM in 94 CAA. The thoracic and lumbar curvatures of the CAA were measured in standing, sitting, and trunk forward flexion. Association analysis (Pearson’s chi-square and Cramér’s V tests) was then performed to identify the SIM misalignments associated with LBP. Effect size was analyzed based on Hedges’ g. The most common thoracic SIMs in CAA were total hyperkyphosis (male = 59.02%; female = 42.42%) and static hyperkyphosis (male = 11.48%; female = 6.06%). Hyperlordotic attitude (female = 30.30%; male = 4.92%), static-functional hyperkyphosis (male = 16.39%; female = 3.03%), and structured hyperlordosis (female = 21.21%; male = 1.64%) were the most common lumbar SIMs. Hyperlordotic attitude, static functional lumbar hyperkyphosis, and structured hyperlordosis were associated with LBP in male and female athletes.
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Affiliation(s)
- Antonio Cejudo
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
- Correspondence: (A.C.); (J.M.C.-C.); Tel.: +34-868-88-84-30 (A.C.); +34-972-20-43-50 (J.M.C.-C.)
| | - Josep María Centenera-Centenera
- Department of Surgery, Traumatology and Orthopedics, Bofill Clinic, ProActive Health, 17002 Gerona, Spain
- Correspondence: (A.C.); (J.M.C.-C.); Tel.: +34-868-88-84-30 (A.C.); +34-972-20-43-50 (J.M.C.-C.)
| | - Fernando Santonja-Medina
- Department of Surgery, Pediatrics, Obstetrics and Gynecology, Faculty of Medicine, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain;
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Pai S A, Zhang H, Ashjaee N, Wilson DR, Brown SH, Fels S, Street J, Oxland TR. Estimation and assessment of sagittal spinal curvature and thoracic muscle morphometry in different postures. Proc Inst Mech Eng H 2021; 235:883-896. [PMID: 33977818 DOI: 10.1177/09544119211014668] [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] [Indexed: 11/15/2022]
Abstract
Spine models are typically developed from supine clinical imaging data, and hence clearly do not fully reflect postures that replicate subjects' clinical symptoms. Our objectives were to develop a method to: (i) estimate the subject-specific sagittal curvature of the whole spine in different postures from limited imaging data, (ii) obtain muscle lines-of-action in different postures and analyze the effect of posture on muscle fascicle length, and (iii) correct for cosine between the magnetic resonance imaging (MRI) scan plane and dominant fiber line-of-action for muscle parameters (cross-sectional area (CSA) and position). The thoracic spines of six healthy volunteers were scanned in four postures (supine, standing, flexion, and sitting) in an upright MRI. Geometry of the sagittal spine was approximated with a circular spline. A pipeline was developed to estimate spine geometry in different postures and was validated. The lines-of-action for two muscles, erector spinae (ES) and transversospinalis (TS) were obtained for every posture and hence muscle fascicle lengths were computed. A correction factor based on published literature was then computed and applied to the muscle parameters. The maximum registration error between the estimated spine geometry and MRI data was small (average RMSE∼1.2%). The muscle fascicle length increased (up to 20%) in flexion when compared to erect postures. The correction factor reduced muscle parameters (∼5% for ES and ∼25% for TS) when compared to raw MRI data. The proposed pipeline is a preliminary step in subject-specific modeling. Direction cosines of muscles could be used while improving the inputs of spine models.
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Affiliation(s)
- Anoosha Pai S
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
- ICORD, University of British Columbia, Vancouver, BC, Canada
| | - Honglin Zhang
- Centre for Hip Health and Mobility, University of British Columbia, Vancouver, BC, Canada
| | - Nima Ashjaee
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
- ICORD, University of British Columbia, Vancouver, BC, Canada
- Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada
| | - David R Wilson
- ICORD, University of British Columbia, Vancouver, BC, Canada
- Centre for Hip Health and Mobility, University of British Columbia, Vancouver, BC, Canada
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Stephen Hm Brown
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON, Canada
| | - Sidney Fels
- Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada
| | - John Street
- ICORD, University of British Columbia, Vancouver, BC, Canada
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Thomas R Oxland
- ICORD, University of British Columbia, Vancouver, BC, Canada
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
- Department of Mechanical Engineering, University of British Columbia, Vancouver, BC, Canada
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Sagittal Integral Morphotype of Female Classical Ballet Dancers and Predictors of Sciatica and Low Back Pain. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18095039. [PMID: 34068738 PMCID: PMC8126247 DOI: 10.3390/ijerph18095039] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/24/2021] [Accepted: 05/06/2021] [Indexed: 02/01/2023]
Abstract
The aims of this study were to describe the sagittal integral morphotype (SIM) of classical ballet (CB) dancers, and to establish predictor factors and their cut off values for high risk of experiencing sciatica or low back pain (LBP). This retrospective cohort study was performed in 33 female professional CB dancers. Data related to anthropometric parameters, CB dance experience, sciatica or LBP history, and sagittal spine curvatures were collected. A binary logistic regression and receiver-operating characteristic analysis were performed. The main spine misalignments observed in the SIM of CB dancers were thoracic functional hyperkyphosis, hypomobile kyphosis, and hypokyphosis, and those for the lumbar curvature were hyperlordotic attitude and functional hyperkyphosis. The lumbar curvature in slump sitting and trunk forward bending positions, together with the stature, were significant predictor factors of sciatica history, while the years of dance experience was a significant predictor factor of LBP history. The cut off values analysis revealed that dancers with a stature of 161 cm or less, and those with 14 years of experience or more, have a greater probability of experiencing sciatica or LBP history, respectively.
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Sainz de Baranda P, Andújar P, Collazo-Diéguez M, Pastor A, Santonja-Renedo F, Martínez-Romero MT, Aparicio-Sarmiento A, Cejudo A, Rodríguez-Ferrán O, Santonja-Medina F. Sagittal standing spinal alignment and back pain in 8 to 12-year-old children from the Region of Murcia, Spain: The ISQUIOS Program. J Back Musculoskelet Rehabil 2021; 33:1003-1014. [PMID: 32924979 DOI: 10.3233/bmr-191727] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND The child's spine shows changes in posture and balance of its curvatures during growth and musculoskeletal spinal conditions are likely to develop, such as back pain (BP). OBJECTIVE The purposes of this study were (a) to describe the sagittal spinal alignment in a relaxed standing position and (b) to analyze its association with BP among 8 to 12-year-old children. METHODS This was a cross-sectional study. A total of 731 elementary schoolchildren (379 girls and 352 boys), from 16 Spanish schools, participated. An unilevel inclinometer was used to quantify the sagittal spinal curvatures (thoracic and lumbar) in a relaxed standing position. Sagittal spinal morphotype was analyzed by sex, age, weight, height, and BMI. Children's parents or legal guardians filled in a questionnaire according to the children's responses about the BP suffered in the previous week and the preceding year. RESULTS The mean angular value of thoracic kyphosis was 36.08 ± 8.99∘ and significantly higher in males than in females (p= 0.036). In contrast, the mean value of lumbar lordosis was 32.11 ± 7.46∘, being higher in females than in men (p< 0.01). The thoracic curve tends to increase by age (p= 0.003). Children who had low back pain (LBP) in the previous week had a significantly greater lumbar curve (35.88 ± 8.20∘) than those who did not have LBP in the preceding week (32.24 ± 7.30∘). The angle for lumbar curvature was a small predictor of LBP occurrence in the assessed children (OR = 1.082 [small]; 95% CI = 1.009-1.160, p= 0.028). CONCLUSIONS To conclude, almost 3/4 of the students were classified with normal thoracic kyphosis; however, 27.36% of the students had thoracic hyperkyphosis. Lumbar hyperlordosis was identified in 9.05% of the students, and was 2.5 times more frequent in girls. The lumbar curvature was a small predictor of LBP occurrence in the assessed children and the angle of lumbar curvature that most accurately identified individuals at risk of developing LBP was determined to be 33∘. The results of this study indicate the need to assess sagittal spinal curvatures at school during development ages.
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Affiliation(s)
| | - Pilar Andújar
- Department of Rehabilitation Sciences and Physiotherapy, Albacete University Hospital Complex, Albacete, Spain
| | - Mónica Collazo-Diéguez
- Department of Rehabilitation Sciences and Physiotherapy, Albacete University Hospital Complex, Albacete, Spain
| | - Antonio Pastor
- Sport Medicine Center, Town Hall of Cartagena, Murcia, Spain
| | | | | | | | - Antonio Cejudo
- Department of Physical Activity and Sport, University of Murcia, Murcia, Spain
| | | | - Fernando Santonja-Medina
- Department of Surgery, Pediatrics, Obstetrics and Gynecology, Faculty of Medicine, University of Murcia, Murcia, Spain
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Physical and psychological effects of postural educational intervention for students experienced school refusal. CURRENT PSYCHOLOGY 2021. [DOI: 10.1007/s12144-021-01677-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractPoor posture has been shown to decrease both visceral and respiratory/circulatory function as well as to increase neuro-musculoskeletal system stress. Improper postures of children at school and in daily life can affect their physical and psychological development. In particular, many children who refuse to go to school or who have experienced school refusal have physical and mental problems. Given that posture is closely related to one’s psychological state, modifying one’s posture can improve both physical and psychological health problems. This study examined the changes to school-refusing students’ physical and psychological condition after attending an intervention to improve their posture. The participants were 65 high school students who have experienced school refusal and were attending a program to modify their posture for 2 months. Their posture and psychological states were recorded both pre- and post-intervention with the following measurements: postural alignment and spinal curve according to a sagittal plane, the General Health Questionnaire 30 (GHQ), and the Subjective Adjustment Scale (SAS). Post-intervention, most of the participants saw improvement in their postural alignment (e.g., trunk inclination in standing position, P < 0.001, 95%CI [2.00, 4.00]). Participants with improved standing posture post-intervention had higher SAS scores (e.g., feeling of acceptance and trust, P < 0.05, 95%CI [−3.00, −0.00]). We found that easy-to-implement postural interventions have a positive effect on students’ mental health. Furthermore, it was suggested that their adjustment to school would also improve as their posture improved. The contribution of this study shows that it is possible to care for the physical and mental health of students without using special facilities and techniques. It is hoped that the findings of this study will lead to an improved adjustment to both school or novel environments, as well as prevent health-based school refusal.
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Cejudo A, Ginés-Díaz A, Rodríguez-Ferrán O, Santonja-Medina F, Sainz de Baranda P. Trunk Lateral Flexor Endurance and Body Fat: Predictive Risk Factors for Low Back Pain in Child Equestrian Athletes. CHILDREN-BASEL 2020; 7:children7100172. [PMID: 33050134 PMCID: PMC7600765 DOI: 10.3390/children7100172] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 11/16/2022]
Abstract
Low back pain (LBP) is the most common overuse musculoskeletal injury suffered by child equestrian athletes (CEA). Despite this, little is known about the risk factors related to LBP in these athletes, and very limited research has been conducted on this topic. This study was designed to investigate predictive risk factors for LBP in CEA. The purposes of this research were to determine whether anthropometric, range of motion (ROM), core endurance and sagittal spinal morphotype measures are risk factors for LBP and to establish a diagnostic cutoff value for those factors associated with LBP. Nineteen CEA between the ages of 12 and 17 years were voluntarily recruited. Potential risk factors evaluated included corporal composition, lower limb ROM, core endurance and sagittal spinal measures. Associations and predictions were calculated between these risk factors and the LBP during the last 12 months. Almost half of the CEA have suffered at least one episode of LBP. Two risk factors and cutoff values were identified as predictors of LBP in CEA: having a high body fat higher than 23% (p = 0.01) and trunk lateral flexor endurance lower to 65 s (p = 0.021), body fat being the strongest predictor.
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Affiliation(s)
- Antonio Cejudo
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30720 Murcia, Spain; (A.C.); (P.S.d.B.)
- Sports and Musculoskeletal System Research Group (RAQUIS), Campus de San Javier, University of Murcia, 30720 Murcia, Spain;
| | - Angélica Ginés-Díaz
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30720 Murcia, Spain; (A.C.); (P.S.d.B.)
- Sports and Musculoskeletal System Research Group (RAQUIS), Campus de San Javier, University of Murcia, 30720 Murcia, Spain;
- Correspondence: (A.G.-D.); (O.R.-F.); Tel.: +34-868-88-8824; Fax: +34-868-88-8672
| | - Olga Rodríguez-Ferrán
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30720 Murcia, Spain; (A.C.); (P.S.d.B.)
- Sports and Musculoskeletal System Research Group (RAQUIS), Campus de San Javier, University of Murcia, 30720 Murcia, Spain;
- Correspondence: (A.G.-D.); (O.R.-F.); Tel.: +34-868-88-8824; Fax: +34-868-88-8672
| | - Fernando Santonja-Medina
- Sports and Musculoskeletal System Research Group (RAQUIS), Campus de San Javier, University of Murcia, 30720 Murcia, Spain;
- Department of Surgery, Pediatrics, Obstetrics and Gynecology, Faculty of Medicine, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
| | - Pilar Sainz de Baranda
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30720 Murcia, Spain; (A.C.); (P.S.d.B.)
- Sports and Musculoskeletal System Research Group (RAQUIS), Campus de San Javier, University of Murcia, 30720 Murcia, Spain;
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Straight Leg Raise Test: Influence of Lumbosant© and Assistant Examiner in Hip, Pelvis Tilt and Lumbar Lordosis. Symmetry (Basel) 2020. [DOI: 10.3390/sym12060927] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The passive straight leg raise (PSLR) test is widely used to assess hamstring extensibility. However, to accurately measure hamstring extensibility throughout PSLR, appropriate stabilization of the pelvis must be provided in order to minimize the possible influence of any compensatory movement in the scores reached. The main purpose of this study was to demonstrate the degree of influence of the Lumbosant© and an assistant examiner in hamstring extensibility in healthy young adults. A secondary objective was to verify the variability of the posterior pelvic tilt movement. Hamstring muscle extensibility was measured using the traditional (only an examiner) and new (using a low-back protection support Lumbosant© and two trained [principal and assistant] examiners) PSLR procedures. Correlation coefficients were expressed using r values, accompanying descriptors and 90% confidence intervals. Variance explained was expressed via the R2 statistic. To examine possible differences, the Mann-Whitney U-test was conducted. Additionally, Cohen’s d was calculated for all results, and the magnitudes of the effect were interpreted and statistical significance set at p < 0.05. A stepwise multiple regression analysis was performed to examine the relationship between scores and values. The final score that was determined with the new PSLR is significantly lower (13° approximately) than the one obtained through the traditional procedure (75.3 ± 14.4° vs. 89.2 ± 20.8°; d = −0.777 [moderate]). The data presented in this study suggest that the PSLR may overestimate hamstring extensibility unless lumbopelvic movement is controlled. Therefore, we recommend the use of Lumbosant© and an auxiliary examiner to obtain more accurate hamstring extensibility scores.
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