斑点跟踪超声检查与肩峰下疼痛综合征患者肩部肌肉等长负荷的关系-一项横断面研究

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-07-17 DOI:10.1016/j.clinbiomech.2025.106616

Anders Falk Brekke , Katrine Kindtler Krag-Andersen , Lars Henrik Frich , Kate Lykke Lambertsen , Peter Kraglund Jacobsen , Frederik Sylvest Knold , Carsten Bogh Juhl , Anders Holsgaard-Larsen

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引用次数: 0

摘要

肩峰下疼痛综合征是引起肩痛的主要原因，通常影响冈上肌和冈下肌。斑点跟踪超声通过测量收缩时的变形（应变）百分比，提供了一种直接、无创的方法来评估肌肉功能，但其在肩峰下疼痛综合征患者中的应用尚不清楚。本研究的目的是探讨肩峰下疼痛综合征患者冈上肌和冈下肌肌肉劳损的差异是否与外等长肌力增加有关。方法采用斑点跟踪超声对24例肩峰下疼痛综合征患者在冈上肌和冈下肌次等距收缩（最大自主等距收缩的20% ~ 80%）时的表现进行了横断面研究。使用商用EchoPAC™软件分析肌肉劳损。使用重复测量方差分析和多元线性回归分析（调整疼痛、性别和年龄）评估应变和外部等距力之间的关联。肌肉劳损一般随外负荷增加而增加(p <；0.001)，冈上肌最大自主等距收缩的60% ~ 80%除外（p = 0.12）。张力解释了冈上肌肌力差异的很大一部分(r2 = 0.55, p <；0.001)和冈下肌(r2 = 0.69, p <；0.001)。通过斑点跟踪超声评估的应变解释了肩峰下疼痛综合征患者冈上肌和冈下肌力量的很大一部分变化。然而，从临床角度来看，其在区分健康和病理性骨骼肌状况的诊断准确性仍有待建立。

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Association between speckle-tracking ultrasonography and isometric load of shoulder muscles in patients with subacromial pain syndrome – A cross-sectional study

Background

Subacromial pain syndrome is the leading cause of shoulder pain, commonly affecting the supraspinatus and infraspinatus rotator cuff muscles. Speckle-tracking ultrasonography offers a direct, non-invasive method to assess muscle function by measuring percentage deformation (strain) during contraction, but its application in patients with subacromial pain syndrome is unknown. The aim of the study was to investigate whether differences in muscle strain in the supraspinatus and infraspinatus muscles were associated with increasing external isometric muscle force in patients with subacromial pain syndrome.

Methods

This cross-sectional study assessed 24 patients with subacromial pain syndrome using speckle-tracking ultrasonography during submaximal isometric contractions (20 % to 80 % of maximal voluntary isometric contraction) of the supraspinatus and infraspinatus muscles. Muscle strain was analyzed with the commercial EchoPAC™ software. Associations between strain and external isometric force were evaluated using repeated measures ANOVA and multiple linear regression analyses (adjustment for pain, sex, and age).

Findings

Muscle strain generally increased with external loads (p < 0.001), except between 60 % and 80 % of maximal voluntary isometric contraction for supraspinatus (p = 0.12). Strain explained a large proportion of the variance in muscle force for both supraspinatus (r² = 0.55, p < 0.001) and infraspinatus (r² = 0.69, p < 0.001).

Interpretation

Strain assessed via speckle-tracking ultrasonography explained a large proportion of the variation in supraspinatus and infraspinatus muscle force among patients with subacromial pain syndrome. However, from a clinical perspective, its diagnostic accuracy in distinguishing between healthy and pathological skeletal muscle conditions remains to be established.

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来源期刊

Clinical Biomechanics 医学-工程：生物医学

CiteScore

3.30

自引率

5.60%

发文量

189

审稿时长

12.3 weeks

期刊介绍： Clinical Biomechanics is an international multidisciplinary journal of biomechanics with a focus on medical and clinical applications of new knowledge in the field. The science of biomechanics helps explain the causes of cell, tissue, organ and body system disorders, and supports clinicians in the diagnosis, prognosis and evaluation of treatment methods and technologies. Clinical Biomechanics aims to strengthen the links between laboratory and clinic by publishing cutting-edge biomechanics research which helps to explain the causes of injury and disease, and which provides evidence contributing to improved clinical management. A rigorous peer review system is employed and every attempt is made to process and publish top-quality papers promptly. Clinical Biomechanics explores all facets of body system, organ, tissue and cell biomechanics, with an emphasis on medical and clinical applications of the basic science aspects. The role of basic science is therefore recognized in a medical or clinical context. The readership of the journal closely reflects its multi-disciplinary contents, being a balance of scientists, engineers and clinicians. The contents are in the form of research papers, brief reports, review papers and correspondence, whilst special interest issues and supplements are published from time to time. Disciplines covered include biomechanics and mechanobiology at all scales, bioengineering and use of tissue engineering and biomaterials for clinical applications, biophysics, as well as biomechanical aspects of medical robotics, ergonomics, physical and occupational therapeutics and rehabilitation.