A comparison of Contractile properties of posterior chain muscles and trunk strength in females with non-specific chronic low back pain.

IF 1.4 4区 医学 Q3 ORTHOPEDICS
Hyungwoo Lee, Seungwon Lee, Chanki Kim, Kyoungkyu Jeon
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引用次数: 0

Abstract

ObjectiveThe purpose of this study was to compare the contractile properties of posterior chain muscles and isokinetic trunk strength in females with or without non-specific chronic low back pain (NSCLBP).MethodAll participants (control group: n = 22, NSCLBP group: n = 22) were assessed using tensiomyography to evaluate the contractile properties of the posterior chain muscles, and all participants were also assessed for isokinetic trunk strength. An independent t-test was performed to compare the tensiomyography variables and isokinetic trunk strength test results between group.ResultsResult of tensiomyography, we found that the contraction time significant differences in the maximal radial muscle displacement, and velocity of contraction between groups in erector spinae. Semitendinosus revealed significant differences in all variables between groups. Additionally, the isokinetic trunk strength test revealed significant differences in all variables between groups.ConclusionThese findings suggest that due to the characteristics of NSCLBP, such as increased muscle stiffness, fat infiltration, and muscle fatigue, kinesiophobia, physical deconditioning syndrome, the posterior chain muscles of the NSCLBP group showed higher muscle stiffness and slower contraction speed than the control group. Also in the NSCLBP group, trunk isokinetic muscle strength was lower than in the control group, and flexor and extensor muscles were unbalanced.

方法所有参与者(对照组:n = 22,非特异性慢性腰背痛组:n = 22)均接受了绷肌造影术评估后链肌肉的收缩特性,所有参与者还接受了等速躯干力量评估。通过独立 t 检验来比较不同组间的张力造影变量和等速躯干力量测试结果。结果张力造影结果显示,不同组间竖脊肌的最大径向肌肉位移和收缩速度在收缩时间上存在显著差异。半腱肌的所有变量在组间均有显著差异。结论这些研究结果表明,由于 NSCLBP 的特点,如肌肉僵硬度增加、脂肪浸润和肌肉疲劳、运动恐惧、体能下降综合征,NSCLBP 组的后链肌肉比对照组表现出更高的肌肉僵硬度和更慢的收缩速度。此外,NSCLBP 组的躯干等速肌力低于对照组,屈肌和伸肌不平衡。
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来源期刊
CiteScore
2.70
自引率
0.00%
发文量
194
审稿时长
6 months
期刊介绍: The Journal of Back and Musculoskeletal Rehabilitation is a journal whose main focus is to present relevant information about the interdisciplinary approach to musculoskeletal rehabilitation for clinicians who treat patients with back and musculoskeletal pain complaints. It will provide readers with both 1) a general fund of knowledge on the assessment and management of specific problems and 2) new information considered to be state-of-the-art in the field. The intended audience is multidisciplinary as well as multi-specialty. In each issue clinicians can find information which they can use in their patient setting the very next day.
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