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Background Individuals with adult degenerative lumbar scoliosis (ADLS) have underlying biomechanical alterations along the trunk muscles. However, few studies have evaluated trunk muscles in ADLS. Objective To quantify and evaluate the symmetry, thickness, and stiffness (shear modulus) of the abdominal and back muscles in ADLS participants. Methods This was a case-control study with participants aged 60–79 years with ADLS (n = 37) and without ADLS (n = 37). Radiographic examination data were collected from the participants. Ultrasound thickness and shear modulus measurements were performed to compare differences in the rectus abdominis, external oblique, internal oblique, transversus abdominis (TrA), multifidus, erector spinae, and quadratus lumborum muscles in the supine, prone and standing positions in the ADLS (n = 37) and control groups (n = 37). Thicknesses and shear modulus were compared. Results The absolute thickness of the TrA in ADLS group was significantly greater on the convex side than on the concave side in both the supine (2.978 ± 0.552 vs. 2.556 ± 0.513, p = 0.041) and standing positions (2.671 ± 0.475 vs. 2.054 ± 0.401, p = 0.034). The percentage changes in both sides of the shear modulus of the TrA were significantly greater in the ADLS group than in the control group for the supine position ( p = 0.019), and standing position ( p = 0.039). Conclusions Compared with those in the control group, only the absolute muscle thicknesses and percent change in the shear modulus of the TrA in the ADLS participants were more asymmetric.
Background Individuals with adult degenerative lumbar scoliosis (ADLS) have underlying biomechanical alterations along the trunk muscles. However, few studies have evaluated trunk muscles in ADLS. Objective To quantify and evaluate the symmetry, thickness, and stiffness (shear modulus) of the abdominal and back muscles in ADLS participants. Methods This was a case-control study with participants aged 60–79 years with ADLS (n = 37) and without ADLS (n = 37). Radiographic examination data were collected from the participants. Ultrasound thickness and shear modulus measurements were performed to compare differences in the rectus abdominis, external oblique, internal oblique, transversus abdominis (TrA), multifidus, erector spinae, and quadratus lumborum muscles in the supine, prone and standing positions in the ADLS (n = 37) and control groups (n = 37). Thicknesses and shear modulus were compared. Results The absolute thickness of the TrA in ADLS group was significantly greater on the convex side than on the concave side in both the supine (2.978 ± 0.552 vs. 2.556 ± 0.513, p = 0.041) and standing positions (2.671 ± 0.475 vs. 2.054 ± 0.401, p = 0.034). The percentage changes in both sides of the shear modulus of the TrA were significantly greater in the ADLS group than in the control group for the supine position ( p = 0.019), and standing position ( p = 0.039). Conclusions Compared with those in the control group, only the absolute muscle thicknesses and percent change in the shear modulus of the TrA in the ADLS participants were more asymmetric.
BackgroundAnnual declines in university students’ physical health have an impact on social stability and the nation’s long-term growth. Parenting style, which is crucial to a child’s growth and development, may have a big influence on physical health. This study delves into the effects of different parenting styles on the physical fitness of Chinese college students under gender differences.MethodsThrough random allocation and stratified sampling methods, this study comprehensively investigated 3,151 undergraduate students (male = 1,365; female = 1786) with an average age of 18.44 years (SD = 1.46), from a university in Jiangsu Province, China. Parenting styles of college students were evaluated by the Parental Bonding Instrument (PBI). Physical fitness tests were based on the Chinese National Student Physical Fitness Standards including body mass index, lung capacity, standing-long-jump, bent-leg-sit-up, seated forward bend, pull-ups, 50 m sprint, and 800/1,000 m run. Further investigations focused on the relationship between parenting styles and physical health by statistical analysis methods such as Pearson correlation and multiple linear regression.ResultsSignificant differences were identified in gender, family members, and academic majors in most of the correlation indicators between different parenting styles and physical health among college students. Further analysis showed that the parenting styles of democratic and authoritative mothers and democratic fathers were more conducive to the promotion of physical health among female university students. The combination of a democratic fathering style and a permissive mothering style is considered an ideal parenting model for male students.ConclusionThis study confirmed that different parenting styles have a significant impact on the physical health of college students. Positive parenting styles may improve physical health, while negative ones are likely to have adverse effects, especially among female students. It is also important to notice differentiated parenting styles with respect to male and female university students. Therefore, more attention should be raised on parenting styles to enhance physical health of the student population.
Objectives: The aim of this study was to evaluate the effect of brace use application and the Schroth intervention on lung ventilation and respiratory muscle strength in patients treated long-term with a Chaneau brace and the Schroth method. Methods: A total of 26 post-menarche females aged 15.7 ± 1.5 years, with a Cobb angle of 18–48° and a diagnosis of AIS in inpatient rehabilitation were examined. All participants received brace treatment for a minimum of 3 months with a dosage of 20–22 h/day. This study protocol was performed three times: 1—brace intervention—first day of the present study; 2—without the brace—second day of the present study; and 3—Schroth intervention on the same day. Results: During the period of brace use, girls treated with a long-term therapy showed significantly reduced values for VC, FVC, and FEV1 and significantly higher values for inspiratory muscle strength PImax compared to values obtained in studies without the brace and after single exercises. Expiratory muscle strength did not differ significantly. Conclusions: The majority showed restrictive lung ventilation disorders and decreased respiratory muscle strength in relation to norms. There was a significant correlation of PImax with the duration of wearing the brace and the duration of therapy.
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