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Effect of Connective Tissue Manipulation on Clinical Symptoms and Pelvic Floor Muscles in Children With Lower Urinary Tract Dysfunction: a Randomized Clinical Trial 结缔组织手法对下尿路功能障碍儿童临床症状和盆底肌肉的影响:一项随机临床试验
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.037
Melis Ünal MSc , Elif Develi PhD , Halil Tuğtepe

Objective

The aim of the study was to examine the impact of a combined approach involving connective tissue manipulation (CTM) and pelvic floor muscle (PFM) exercises on symptoms, uroflowmetry parameters, and PFM activation in children with lower urinary tract disorders.

Methods

Forty children with lower urinary tract disorder were randomized into 2 groups: (1) PFM group and (2) CTM+PFM exercise group (CTG). The treatment was performed 3 times a week for 8 weeks. Children were evaluated with electromyography-uroflowmetry, bladder ultrasonography, bladder diary, electromyography-PFM activation, and the Dysfunctional Voiding and Incontinence Scoring System at baseline and 8 weeks after interventions.

Results

A comparison of the 2 groups revealed that the CTG group demonstrated greater improvement in mean flow rate (Q-Ave), maximum voiding volume, incontinence frequency, PFM contraction activation (work average), and Dysfunctional Voiding and Incontinence Scoring System scores (P < .05).

Conclusion

Connective tissue manipulation applied in addition to pelvic floor muscle exercises was more effective on certain uroflow and bladder diary parameters, symptom severity score, and certain PFM activation parameters. Connective tissue manipulation applied together with PFM exercises may be a novel approach in children with lower urinary tract disorders, a noninvasive and accessible manual therapy method.
目的:本研究的目的是检查结缔组织操作(CTM)和盆底肌(PFM)运动联合入路对下尿路疾病儿童症状、尿流测量参数和PFM激活的影响。方法:将40例下尿路障碍患儿随机分为两组:(1)PFM组和(2)CTM+PFM运动组(CTG)。治疗每周3次,连续8周。在基线和干预后8周,通过肌电图-尿流仪、膀胱超声、膀胱日记、肌电图- pfm激活和功能障碍排尿和失禁评分系统对儿童进行评估。结果:两组比较发现,CTG组在平均流量(Q-Ave)、最大排尿量、失禁频率、PFM收缩激活(工作平均)、功能障碍排尿和失禁评分系统评分方面均有较大改善(P < 0.05)。结论:结缔组织手法加盆底肌锻炼对尿流和膀胱日记参数、症状严重程度评分和PFM激活参数更有效。结缔组织操作结合PFM练习可能是治疗儿童下尿路疾病的一种新方法,是一种无创且易于使用的手工治疗方法。
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引用次数: 0
Quality of Descriptions of Pelvic Floor Muscle Training Prescribed to Women With Dyspareunia: A Systematic Review 骨盆底肌肉训练对女性性交困难的质量描述:系统回顾。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.039
Isabela R.S. Cavalcanti MSc , Adriana C. Lunardi PhD , Daniela F. Carro MSc , Leda T.Y. da Silveira PhD , Elizabeth A. Ferreira PhD

Objective

The purpose of this study was to analyze the description quality of interventions with pelvic floor muscle training (PFMT) for dyspareunia treatment and to describe treatment modalities and protocols.

Methods

This was a systematic review of randomized clinical trials, longitudinal studies, and before–after studies. We searched MEDLINE/PubMed, Web of Knowledge, Scopus, Cochrane, LILACS, PEDro, and Embase, last updated June 2024. The Consensus on Exercise Reporting Template recommendations and Consensus on Therapeutic Exercise Training document were used to analyze the description of PFMT protocols.

Results

Among 769 retrieved articles, 17 were included, involving 963 women 20 to 70 years of age with dyspareunia, vulvodynia, pelvic pain, and/or sexual dysfunction. Dyspareunia was assessed with tools such as numeric or subjective pain scales and questionnaires like the Female Sexual Function Index. The mean Consensus on Exercise Reporting Template score was 7.3 ± 2.7 (40% of items accomplished). The mean Consensus on Therapeutic Exercise Training score was 5.4 ± 1.3 (61% of items accomplished). Most protocols applied supervised exercises at outpatient clinics and prescribed nonsupervised home exercises. PFMT encompassed muscle contraction with varied duration (3-60 seconds) and intensity (phasic and tonic), followed by muscle relaxation. Most associated therapy was biofeedback, followed by manual therapy and electrical stimulation.

Conclusion

Most descriptions of PFMT protocols for dyspareunia treatment did not follow recommended consensus tools, making it difficult to compare data and transpose to clinical practice. Protocols of PFMT are heterogeneous among studies.
目的:本研究的目的是分析盆底肌训练(PFMT)治疗性交困难的描述质量,并描述治疗方式和方案。方法:这是一项随机临床试验、纵向研究和前后研究的系统综述。我们检索了MEDLINE/PubMed、Web of Knowledge、Scopus、Cochrane、LILACS、PEDro和Embase,最后更新于2024年6月。采用运动报告模板共识建议和治疗性运动训练共识文件对PFMT方案的描述进行分析。结果:在769篇检索文章中,纳入17篇,涉及963名20 - 70岁的女性,伴有性交困难、外阴痛、盆腔疼痛和/或性功能障碍。通过数字或主观疼痛量表和女性性功能指数等问卷来评估性交困难。平均共识运动报告模板得分为7.3±2.7(40%的项目完成)。治疗性运动训练的平均共识得分为5.4±1.3(61%的项目完成)。大多数协议在门诊诊所应用监督练习,并规定无监督的家庭练习。PFMT包括不同持续时间(3-60秒)和强度(相性和强直性)的肌肉收缩,随后是肌肉放松。大多数相关治疗是生物反馈,其次是手动治疗和电刺激。结论:大多数关于PFMT治疗性交困难方案的描述没有遵循推荐的共识工具,这使得比较数据和转移到临床实践变得困难。PFMT的方案在不同的研究中是不同的。
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引用次数: 0
Exercise-Induced Modulation of Inflammatory Biomarkers After Stroke: A Systematic Review and Meta-Analysis 卒中后运动诱导的炎症生物标志物调节:系统回顾和荟萃分析。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.002
Ana C.S. Bitencourt MS , Maria Eduarda S. Aveiro BS , Rodolfo P. Timóteo PhD , Rodrigo Bazan PhD , Eduardo E.V. Carvalho PhD , Gustavo J. Luvizutto PhD

Objective

The purpose of this study was to perform a systematic review of the literature on the effectiveness of physical exercise on cytokine levels after stroke.

Methods

The PubMed, LILACS, ScienceDirect, Web of Science, Scopus, and Embase databases were searched without language or date restriction through September 2025 using the terms “stroke” and “exercise” and “cytokines” and related terms. Eligible studies included patients with stroke (P), investigated aerobic or multimodal exercise interventions (I), compared them with a control group (C), and reported outcomes on cytokines or other systemic inflammatory biomarkers (O). To assess the risk of bias in each study, we used the criteria described in the Cochrane Handbook for Systematic Review of Interventions. Fixed-effect meta-analysis were performed for homogeneous outcomes.

Results

In total, 8 randomized clinical trials were included for qualitative analysis, and in the meta-analysis. The meta-analysis showed that aerobic training significantly reduced IL-6 (SMD −0.51; 95% CI −0.86 to −0.15; P = .006) and hs-CRP (SMD −1.46; 95% CI −2.18 to −0.75; P < .001), while no significant effect was observed for TNF-α (SMD −0.11; 95% CI −0.53 to 0.31; P = .60). Heterogeneity was high across studies.

Conclusions

Exercise interventions were associated with reductions in cytokine levels, particularly IL-6 and hs-CRP. These effects were mainly observed after aerobic training. Given the limited number of trials and the substantial heterogeneity, these findings should be interpreted with caution.
目的:本研究的目的是对中风后体育锻炼对细胞因子水平的影响进行系统的文献综述。方法:检索PubMed、LILACS、ScienceDirect、Web of Science、Scopus和Embase数据库,截止到2025年9月,检索词为“stroke”、“exercise”和“cytokines”及相关词,无语言和日期限制。符合条件的研究包括卒中患者(P),调查有氧或多模式运动干预(I),将其与对照组(C)进行比较,并报告细胞因子或其他系统性炎症生物标志物(O)的结果。为了评估每项研究的偏倚风险,我们使用了Cochrane干预措施系统评价手册中描述的标准。对均质结果进行固定效应荟萃分析。结果:共纳入8项随机临床试验进行定性分析,并纳入meta分析。荟萃分析显示,有氧训练可显著降低IL-6 (SMD -0.51; 95% CI -0.86至-0.15;P = 0.006)和hs-CRP (SMD -1.46; 95% CI -2.18至-0.75;P < 0.001),而对TNF-α (SMD -0.11; 95% CI -0.53至0.31;P = 0.60)无显著影响。研究的异质性很高。结论:运动干预与细胞因子水平的降低有关,特别是IL-6和hs-CRP。这些影响主要在有氧训练后观察到。考虑到试验数量有限且存在很大的异质性,这些发现应谨慎解释。
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引用次数: 0
Inter- and Intra-Tester Reliability of Postural Stability Tests in Patients With Whiplash-Associated Disorder 鞭打相关疾病患者体位稳定性试验的测试者间和测试者内的可靠性。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.046
Niklas Särkilahti MHc , Airi Oksanen PhD , Eliisa Löyttyniemi MSc , Jenny Mäkelä BHc , Janette Kaukonen BHc , Jani Takatalo PhD, MD , Olli Tenovuo PhD, MD

Objective

Our study aimed to examine the inter- and intra-tester reliability of postural balance tests in patients with whiplash-associated disorder (WAD).

Methods

Fifteen adults with chronic WAD performed 7 different postural balance tests using a static force platform: in the neutral head position (neutral test), gaze rotated 20° (left and right), head rotated 20° (left and right), and neck torsioned 20° (left and right) positions. Inter- and intra-tester reliability were assessed for both individual tests and the differences between the neutral test and each test variant in sway velocity (mm/s) and velocity moment (mm2/s) parameters. This assessment utilized intra- and interclass correlation, mean differences of 2 measurements (paired t-test or Wilcoxon signed-rank test), the coefficient of within-subject variance, and the 95% percentile.

Results

Overall results showed at least a strong (≥0.70) correlation between the 2 testers and the tester’s 2 test sessions in the individual tests. Furthermore, the average results did not mainly differ between testers and test sessions, and no wide variability of results was noticeable, indicating that the results can be considered clinically meaningful. However, the correlations of the between-test differences primarily ranged from negligible to moderate, leaving the results clinically insignificant.

Conclusions

The results of this study suggest that individual postural balance tests yield clinically reliable results for patients with WAD. However, caution is warranted when assessing the difference between balance test variations. It is not yet known whether these tests can distinguish between different study groups and whether they are reliable in assessing different sensory systems.
目的:我们的研究旨在检验腰扭伤相关障碍(WAD)患者体位平衡测试的测试者之间和测试者内部的可靠性。方法:15例成人慢性WAD患者采用静力平台进行7种不同的体位平衡测试:头部中立位(中立测试),凝视旋转20°(左右),头部旋转20°(左右),颈部扭转20°(左右)。测试者之间和测试者内部的信度评估了个体测试和中性测试与每个测试变体在摇摆速度(mm/s)和速度矩(mm2/s)参数上的差异。该评估利用了类内和类间相关性、2个测量值的平均差异(配对t检验或Wilcoxon符号秩检验)、受试者内方差系数和95%百分位。结果:总体结果显示,在个体测试中,2名测试人员与测试人员的2个测试阶段之间至少存在强(≥0.70)的相关性。此外,平均结果在测试者和测试阶段之间没有主要差异,结果没有明显的大变异性,表明结果可以被认为是有临床意义的。然而,试验间差异的相关性主要从可忽略到中等,使得结果在临床上不显著。结论:本研究的结果表明,个体体位平衡测试对WAD患者产生了临床可靠的结果。然而,在评估平衡测试变量之间的差异时,需要谨慎。目前尚不清楚这些测试是否能区分不同的研究组,以及它们在评估不同的感觉系统时是否可靠。
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引用次数: 0
National Trends in the Utilization and Expenditure of Chiropractic Care in U.S. Adults: Analysis of the 2007-2016 Medical Expenditure Panel Survey 美国成年人脊骨神经科治疗使用和支出的全国趋势:2007-2016 年医疗支出小组调查分析》。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2024.08.005
Baojiang Chen PhD , Henry S. Brown PhD , David Douphrate PhD , Jud Janak PhD , Kelley Pettee Gabriel MS, PhD , Trent Peng PhD, DC, MS

Objective

This study aimed to examine the trends in the utilization and expenditure of chiropractic care in a representative sample of US adults, aged ≥18 years.

Methods

Serial cross-sectional data (2007-2016) from the Medical Expenditure Panel Survey (MEPS) were examined. Weighted descriptive statistics were analyzed to obtain national estimates of chiropractic utilization and expenditure, and time-series linear regression was used to assess trends over time. Socio-demographic characteristics and musculoskeletal diagnoses associated with chiropractic use were also reported.

Results

A statistically significantly increasing trend was observed for the number of adults receiving chiropractic care (p < .05), number of visits (p < .05) and utilization rate (P < .05) from 2007 to 2016. A similar trend was not found for chiropractic expenditure during this period (P > .05). The mean number of visits was 8.3 visits per year, with a mean expenditure of $86.94 USD per visit and $721.43 USD per person per year. Mean age of adult chiropractic users each year ranged between 48.6 and 51.2 years old, and users were primarily female (56.3%-60.4%), White persons (90.1%-93.5%), and privately insured (77.3%-82.8%). The most prevalent musculoskeletal diagnoses associated with chiropractic use were low back conditions (45.4%-58.1%), inflammatory/degenerative disc or joint conditions (21.2%-26.8%) and head and neck complaints (9.8%-13.7%).

Conclusion

The findings showed statistically significant increasing trends for the number of adult chiropractic users, the number of visits, and percent utilization of chiropractic care from 2007 to 2016. Conversely, we found a statistically null trend for the total annual expenditure on chiropractic care during the same time period. Findings from this analysis imply that, while chiropractic care appears to be growing, it may still be under-utilized, and more efforts should be devoted to ensuring sustained growth and a larger role in the management of musculoskeletal health.
研究目的本研究旨在对年龄≥18岁的美国成年人进行代表性抽样调查,以了解脊骨神经治疗的使用和支出趋势:方法:研究了来自医疗支出面板调查(MEPS)的连续横截面数据(2007-2016年)。对加权描述性统计进行分析,以获得脊骨神经治疗利用率和支出的全国估计值,并使用时间序列线性回归评估随时间变化的趋势。同时还报告了与脊骨神经治疗使用相关的社会人口特征和肌肉骨骼诊断:从2007年到2016年,接受脊骨神经治疗的成年人数量(P < .05)、就诊次数(P < .05)和使用率(P < .05)均呈明显的统计学增长趋势。在此期间,脊骨神经治疗支出未发现类似趋势(P > .05)。平均就诊次数为每年8.3次,每次平均花费86.94美元,每人每年平均花费721.43美元。每年接受脊骨神经科治疗的成年患者平均年龄在 48.6 岁至 51.2 岁之间,主要为女性(56.3%-60.4%)、白人(90.1%-93.5%)和私人投保者(77.3%-82.8%)。与脊骨神经科治疗相关的最常见肌肉骨骼疾病诊断为腰背疾病(45.4%-58.1%)、椎间盘或关节炎症/退行性病变(21.2%-26.8%)以及头颈部不适(9.8%-13.7%):研究结果表明,从2007年到2016年,成人脊骨神经治疗使用者的数量、就诊次数和脊骨神经治疗使用率在统计学上呈显著增长趋势。与此相反,我们发现同期脊骨神经治疗的年度总支出在统计学上呈负增长趋势。这一分析结果表明,虽然脊骨神经治疗似乎在不断增长,但可能仍未得到充分利用,因此应加大力度确保其持续增长,并在肌肉骨骼健康管理中发挥更大作用。
{"title":"National Trends in the Utilization and Expenditure of Chiropractic Care in U.S. Adults: Analysis of the 2007-2016 Medical Expenditure Panel Survey","authors":"Baojiang Chen PhD ,&nbsp;Henry S. Brown PhD ,&nbsp;David Douphrate PhD ,&nbsp;Jud Janak PhD ,&nbsp;Kelley Pettee Gabriel MS, PhD ,&nbsp;Trent Peng PhD, DC, MS","doi":"10.1016/j.jmpt.2024.08.005","DOIUrl":"10.1016/j.jmpt.2024.08.005","url":null,"abstract":"<div><h3>Objective</h3><div>This study aimed to examine the trends in the utilization and expenditure of chiropractic care in a representative sample of US adults, aged ≥18 years.</div></div><div><h3>Methods</h3><div>Serial cross-sectional data (2007-2016) from the Medical Expenditure Panel Survey (MEPS) were examined. Weighted descriptive statistics were analyzed to obtain national estimates of chiropractic utilization and expenditure, and time-series linear regression was used to assess trends over time. Socio-demographic characteristics and musculoskeletal diagnoses associated with chiropractic use were also reported.</div></div><div><h3>Results</h3><div>A statistically significantly increasing trend was observed for the number of adults receiving chiropractic care (<em>p</em> &lt; .05), number of visits (<em>p</em> &lt; .05) and utilization rate (<em>P</em> &lt; .05) from 2007 to 2016. A similar trend was not found for chiropractic expenditure during this period (<em>P</em> &gt; .05). The mean number of visits was 8.3 visits per year, with a mean expenditure of $86.94 USD per visit and $721.43 USD per person per year. Mean age of adult chiropractic users each year ranged between 48.6 and 51.2 years old, and users were primarily female (56.3%-60.4%), White persons (90.1%-93.5%), and privately insured (77.3%-82.8%). The most prevalent musculoskeletal diagnoses associated with chiropractic use were low back conditions (45.4%-58.1%), inflammatory/degenerative disc or joint conditions (21.2%-26.8%) and head and neck complaints (9.8%-13.7%).</div></div><div><h3>Conclusion</h3><div>The findings showed statistically significant increasing trends for the number of adult chiropractic users, the number of visits, and percent utilization of chiropractic care from 2007 to 2016. Conversely, we found a statistically null trend for the total annual expenditure on chiropractic care during the same time period. Findings from this analysis imply that, while chiropractic care appears to be growing, it may still be under-utilized, and more efforts should be devoted to ensuring sustained growth and a larger role in the management of musculoskeletal health.</div></div>","PeriodicalId":16132,"journal":{"name":"Journal of Manipulative and Physiological Therapeutics","volume":"48 1","pages":"Pages 1-9"},"PeriodicalIF":1.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictors of Utilization Frequency of and Expenditure Amount for Chiropractic Care in U.S. Adults: A Retrospective Cohort Study 美国成年人脊骨神经治疗使用频率和支出金额的预测因素:回顾性队列研究
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2024.08.004
Baojiang Chen PhD , Henry S. Brown PhD , David Douphrate PhD , Jud Janak PhD , Kelley Pettee Gabriel MS, PhD , Trent Peng PhD, DC, MS

Objective

This study aimed to evaluate the prospective associations of baseline personal characteristics with utilization frequency and expenditure of chiropractic care in US adults (≥18 years).

Methods

Data are from the 1358 respondents to the 2014 to 2016 Medical Expenditure Panel Survey who utilized chiropractic care. Individual, familial, health-related, and behavioral factors were included as covariates in the multivariate analytic model. Poisson and multinominal logistic regressions were modeled to examine the associations between the predictors and chiropractic utilization and expenditure.

Results

The mean annual number of visits was 8.2 visits (95% confidence interval [CI]: 7.9, 8.5), with annual expenditure of $677.43 U.S. dollars (95% CI: $595.47-$759.39) and $84.84 (95% CI: $77.89-$91.78) per visit. Female sex was associated with a 19% higher number of visits (rate ratio [RR] = 1.19, 95% CI: 1.01, 1.41) than males. Publicly insured and uninsured were associated with a 44% higher (RR = 1.44, 95% CI: 1.14, 1.82) and 36% lower (RR = 0.64, 95% CI: 0.48, 0.86) visit frequency, respectively, than those privately insured. Rheumatoid arthritis was associated with 7.38 times the risk of high expenditure (95% CI: 2.61, 24.67) than medium expenditure, compared to no arthritis. Relative to physically active individuals, physical inactivity was associated with a 27% higher visit frequency (RR = 1.27, 95% CI: 1.09, 1.49) and an 82% higher risk (relative risk ratio = 1.82, 95% CI: 1.05, 3.14) of high expenditure than low expenditure.

Conclusion

This analysis found distinct usage and expenditure patterns that vary according to specific baseline predictors. Female sex, being publicly insured, having rheumatoid arthritis, and physically inactive were associated with variance in expenditure. Results from this study may help identify chiropractic patients with tendencies for higher utilization or spending and may indirectly assist in predicting patients with slower response to care.
研究目的本研究旨在评估美国成年人(≥18 岁)的基线个人特征与脊骨神经治疗使用频率和支出的前瞻性关联:数据来自2014年至2016年医疗支出小组调查中1358名使用脊骨神经治疗的受访者。个人、家庭、健康相关和行为因素作为协变量被纳入多变量分析模型。通过泊松和多项式逻辑回归模型来研究预测因素与脊骨神经治疗使用率和支出之间的关系:年平均就诊次数为8.2次(95% 置信区间[CI]:7.9, 8.5),年花费为677.43美元(95% CI:595.47-759.39美元),每次就诊花费为84.84美元(95% CI:77.89-91.78美元)。女性的就诊次数比男性高 19%(比率比 [RR] = 1.19,95% CI:1.01, 1.41)。与私人投保者相比,公共投保者和未投保者的就诊次数分别高出 44%(RR = 1.44,95% CI:1.14, 1.82)和低 36%(RR = 0.64,95% CI:0.48, 0.86)。与没有关节炎的人相比,类风湿性关节炎的高支出风险是中等支出风险的 7.38 倍(95% CI:2.61, 24.67)。与身体活跃的人相比,身体不活跃的人就诊频率高 27%(相对风险比 = 1.27,95% CI:1.09, 1.49),高支出风险比低支出高 82%(相对风险比 = 1.82,95% CI:1.05, 3.14):这项分析发现,不同的基线预测因素会导致不同的使用和支出模式。女性性别、是否有公共保险、是否患有类风湿性关节炎以及是否不运动与支出的差异有关。这项研究的结果可能有助于识别有较高使用率或支出倾向的脊骨神经科患者,并可间接帮助预测对治疗反应较慢的患者。
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引用次数: 0
Traction Loading Human Coracohumeral Ligaments With 20 and 40 Newton Forces and Sustained Creep Deformation: A Preliminary Cadaveric Investigation 在20和40牛顿力的牵引下人体喙肱韧带持续蠕变:初步的尸体研究。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.030
John F. Hoops ScD , Carla M. James ScD , Charles Nichols ScD , Jean-Michel Brismee ScD , Peter J. Rundquist PhD , Lee Atkins PhD , Stéphane Sobczak PhD

Objectives

The purpose of this study was to determine if different force magnitudes, loading cycle repetitions, and loading speeds alter creep deformation (CD) during cyclical traction loading of human cadaveric coracohumeral ligaments (CHL).

Methods

Fifteen unembalmed human cadaveric CHL specimens were assigned to 3 groups based on maximal force and loading speed: (1) 40Nslow: 40N; 0.83 mm/s; (2) 20Nslow: 20N; 0.83 mm/s; (3) 20Nfast: 20N; 2.5 mm/s. All specimens underwent 360 cycles of traction loading in a material testing system. The material testing system collected CD during loading at 60-cycle intervals. Micrometer measurements determined CD 60 minutes after loading. Friedman’s ANOVA was used to compare within-group CD changes, and Kruskal-Wallis ANOVA was used to compare between-group CD differences.

Results

All groups demonstrated increased CD during 360 cycles (P < .003) without differences between groups at any 60-cycle interval (P > .05). Sixty minutes after loading, CD was 7% (±5) in the 20Nslow, 15% (±12) in the 40Nslow, and 13% (±7) in the 20Nfast groups without between-group differences (P = .353).

Conclusion

Cyclical traction loading cadaveric CHL specimens with 20N and 40N forces increased CD without a difference between groups. Creep deformation was partially retained 60 minutes after loading. No CD differences were found using 20N loads at 2 different loading speeds.
目的:本研究的目的是确定在人类尸体喙肱韧带(CHL)的周期性牵引加载过程中,不同的力大小、加载循环次数和加载速度是否会改变蠕变变形(CD)。方法:将15例未经防腐处理的人尸CHL标本按最大受力和加载速度分为3组:(1)40Nslow: 40N;0.83毫米/秒;(2) 20Nslow: 20N;0.83毫米/秒;(3) 20Nfast: 20N;2.5毫米/秒。所有试件在材料测试系统中进行了360次牵引加载。材料测试系统在加载过程中以60个周期的间隔收集CD。千分尺测量加载后60分钟的CD。采用Friedman’s ANOVA比较组内CD变化,采用Kruskal-Wallis ANOVA比较组间CD差异。结果:所有组在360个周期内CD均增加(P < 0.003),而在任何60个周期内组间差异无统计学意义(P < 0.05)。加载后60分钟,20Nslow组CD为7%(±5),40Nslow组CD为15%(±12),20Nfast组CD为13%(±7),组间差异无统计学意义(P = .353)。结论:20N和40N力的循环牵引加载尸体CHL标本,CD在两组间无明显差异。加载后60分钟,蠕变部分保留。在2种不同加载速度下使用20N负载时,CD无差异。
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引用次数: 0
Angular Kinematic Analysis of Supine Cervical Thrusts Performed by Chiropractors and Chiropractic Students on Mannequins 脊医和脊医学生在人体模型上进行仰卧颈椎推举的角运动学分析。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.033
Mackenzie A. Keller DC , Brent S. Russell MS, DC , Ronald S. Hosek PhD, DC, MPH , Edward F. Owens Jr MS, DC

Objective

The purpose of this study was to examine characteristics of cervical axial rotation and other motion components during cervical spine manipulation.

Methods

Eleven doctors of chiropractic (DCs), 10 chiropractic students with patient experience, and 16 inexperienced students from our institution each performed 4 thrusts on a mannequin. The thrust measured is an essential component of chiropractic cervical spine manipulation, also known as a chiropractic adjustment. The mannequin was designed for chiropractic education and outfitted with inertial measurement units for motion capture. Data were analyzed in Excel for rotation, lateral bending, and flexion-extension at thrust onsets and peaks. Differences between groups were analyzed in R (R Foundation) using Kruskal-Wallis tests, followed by Dunn tests for pairwise comparisons.

Results

Mean rotation for DCs was 19.3° at thrust onset and 33.9° at peak; mean peak lateral bending and cervical extension were 32.0° and 10.4°, respectively. On average, 14.6° of rotation occurred in 144 milliseconds between onset and peak, with rotational velocity and acceleration maximum values of 192.9°/s and 4427°/s2, respectively. Most student characteristics were similar, but DCs’ acceleration means were significantly higher (Kruskal-Wallis P = .019), and experienced students used significantly greater lateral bending at onset (Kruskal-Wallis P = .049) and peak (P = .023).

Conclusion

Mean axial rotation for DCs during chiropractic cervical spinal adjustments was less than 34° at peak; most other measures were similar to previously reported findings.
目的:本研究的目的是研究颈椎推拿过程中颈椎轴向旋转和其他运动部件的特征。方法:我院11名捏脊医生、10名有临床经验的捏脊学生和16名无临床经验的捏脊学生分别对人体模型进行4次推力。测量的推力是捏脊颈椎手法的重要组成部分,也称为捏脊调整。该人体模型是为脊椎按摩教育设计的,并配备了用于运动捕捉的惯性测量单元。在Excel中分析了推力开始和峰值时的旋转、侧弯和屈伸数据。采用Kruskal-Wallis检验分析组间差异,随后采用Dunn检验进行两两比较。结果:DCs的平均旋转在推力开始时为19.3°,峰值为33.9°;平均侧弯峰和颈椎伸展峰分别为32.0°和10.4°。在144毫秒内,平均发生14.6°旋转,转速和加速度最大值分别为192.9°/s和4427°/s2。大多数学生的特征相似,但DCs的加速度平均值明显更高(Kruskal-Wallis P = 0.019),经验丰富的学生在开始时(Kruskal-Wallis P = 0.049)和峰值时(P = 0.023)使用了更大的侧向弯曲。结论:颈椎整复过程中DCs的平均轴向旋转峰值小于34°;大多数其他测量结果与先前报道的结果相似。
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引用次数: 0
Effects of Swimming and Running Exercise-Induced Changes in Muscle Fibers, Bone Structure, and Oxidative Stress in Aging Rats 游泳和跑步运动对衰老大鼠肌纤维、骨结构和氧化应激变化的影响。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.048
Mahmut Sürmeli PhD , Fikret Gevrek PhD , Elif Azize Özşahin Delibaş PhD , Funda Demirtürk PhD , Eylem Tütün Yümin PhD

Objective

The purpose of this study was to investigate the effects of weight-bearing and nonweight-bearing aerobic exercises on bone morphometry, muscle fiber types, and oxidative stress markers.

Methods

Eighteen 15-month-old male rats were divided into control, swimming, and running groups (n = 6 each). After a 2-week adaptation period, the exercise groups underwent 8 weeks of moderate-intensity swimming or running. Blood, gastrocnemius muscle, and femur bone samples were collected postexercise. Parameters analyzed included total oxidant status (TOS), total antioxidant status (TAS), oxidative stress index (OSI) in blood, muscle fiber types by immunohistochemistry, and bone characteristics by histostereology.

Results

OSI values were similar across groups (P > .05), but oxidative stress was elevated in the exercise groups. The ratio of type I fibers was higher in the exercise groups compared to controls (P < .05) and similar between swimming and running groups (P > .05). Type IIa fiber ratio was highest in the control group and lowest in the running group (P < .05). Bone surface area, trabecular thickness, and cortical thickness were greater in the running group than in controls (P < .05). The swimming group had a higher distal femur bone area and trabecular width than controls (P < .05), but no significant differences were found between the exercise groups (P > .05).

Conclusions

Weight-bearing and nonweight-bearing exercises had a significant effect on muscle fiber composition, bone structure, and oxidative stress in elderly rats. Running particularly enhanced bone surface area and thickness, while swimming also benefited bone health. Both exercises increased oxidative stress and antioxidant capacity.
目的:研究负重和非负重有氧运动对骨形态、肌纤维类型和氧化应激指标的影响。方法:15月龄雄性大鼠18只,随机分为对照组、游泳组和跑步组,每组6只。经过2周的适应期后,运动组进行了8周的中等强度游泳或跑步。运动后采集血液、腓肠肌和股骨标本。分析的参数包括血液中总氧化状态(TOS)、总抗氧化状态(TAS)、氧化应激指数(OSI)、免疫组织化学测定的肌纤维类型和组织体学测定的骨骼特征。结果:各组间OSI值相似(P < 0.05),但运动组氧化应激升高。与对照组相比,运动组I型纤维的比例更高(P < 0.05),游泳组和跑步组之间相似(P < 0.05)。IIa型纤维比例以对照组最高,跑步组最低(P < 0.05)。跑步组骨表面积、骨小梁厚度、骨皮质厚度均显著高于对照组(P < 0.05)。游泳组股骨远端骨面积和股骨小梁宽度均高于对照组(P < 0.05),运动组间差异无统计学意义(P < 0.05)。结论:负重和非负重运动对老年大鼠肌纤维组成、骨骼结构和氧化应激有显著影响。跑步尤其能增加骨骼表面积和厚度,而游泳也有益于骨骼健康。这两种运动都会增加氧化应激和抗氧化能力。
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引用次数: 0
Effects of Standing Back Extension Exercise on Lumbar Erector Spinae Hemodynamics and Muscle Activity After Prolonged Lumbar Flexion 站立后伸展运动对长时间腰椎屈曲后腰竖肌脊柱血流动力学和肌肉活动的影响。
IF 1.4 4区 医学 Q4 HEALTH CARE SCIENCES & SERVICES Pub Date : 2025-01-01 DOI: 10.1016/j.jmpt.2025.10.012
Hiroshi Ishida PhD , Tadanobu Suehiro PhD , Chiharu Kurozumi PhD

Objective

This study aimed to explore the hemodynamic effects of standing back extension exercise (SBEE) on the lumbar erector spinae (LES) after adoption of the lumbar flexion position.

Methods

Hemodynamics and activities of the LES were measured in 16 asymptomatic adults (8 men and 8 women; mean age, 20.3 ± 0.5 years) using near-infrared spectroscopy of oxygenated hemoglobin and myoglobin (Hb + Mb) levels and surface electromyography in resting prone and Biering-Sørensen test positions to evaluate both resting and contraction states of the LES before and after 5 minutes of adopting the lumbar flexion position. After adopting the lumbar flexion position, all participants randomly performed two 3-second repetitions of SBEE and maintained a relaxed sitting position (control [CON]) separated by at least a 1-day interval.

Results

After participants had assumed the lumbar flexion position, compared with SBEE, CON was significantly associated with more positive changes in the deoxygenated[Hb + Mb] levels in the prone position (P = .028, w = 0.76, power = 0.99). Deoxygenated[Hb + Mb] levels in the prone (P = .026, d = 0.71, power = 0.73) and Biering-Sørensen test positions (P = .036, d = 0.32, power = 0.22) were significantly lower for SBEE than for CON.

Conclusion

Compared with CON, SBEE resulted in lower deoxygenated[Hb + Mb] levels in the LES at rest and during sustained muscle contraction after participants adopted the lumbar flexion position. These results suggest that the physiological effects of using SBEE on low back pain are caused by partial ischemia of the LES due to maintaining a flexed trunk posture.
目的:探讨采用腰椎屈曲体位后,站立后伸运动(SBEE)对腰竖脊肌(LES)血流动力学的影响。方法:对16例无症状成人(男8名,女8名,平均年龄20.3±0.5岁)采用近红外光谱法测定静息俯卧位和biering - s - ørensen试验体位的氧合血红蛋白和肌红蛋白(Hb + Mb)水平和表面肌电图,评估采用腰椎屈曲体位前后5分钟LES的静息和收缩状态。采用腰椎屈曲体位后,所有参与者随机进行两次3秒的SBEE重复,并保持放松的坐姿(对照[CON]),间隔至少1天。结果:受试者采取腰椎屈曲姿势后,与SBEE相比,CON与俯卧姿势的脱氧[Hb + Mb]水平的积极变化显著相关(P = 0.028, w = 0.76,功率= 0.99)。在俯卧位(P = 0.026, d = 0.71,功率= 0.73)和biberlin - s - ørensen试验体位(P = 0.036, d = 0.32,功率= 0.22)中,SBEE组的脱氧[Hb + Mb]水平显著低于CON组。结论:与CON组相比,采用腰椎屈曲体位后,SBEE组在休息和持续肌肉收缩时的LES中脱氧[Hb + Mb]水平较CON组低。这些结果表明,使用SBEE对腰痛的生理影响是由于保持躯干屈曲姿势引起的LES局部缺血引起的。
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引用次数: 0
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Journal of Manipulative and Physiological Therapeutics
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