Comparison of gait and architecture of the medial gastrocnemius in developmentally delayed children with different muscle tone: A preliminary pilot study

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-02-01 DOI:10.1016/j.clinbiomech.2025.106442

Sun-Young Ha , Yun-Hee Sung

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引用次数: 0

Abstract

Background

Muscle tone alteration reduces gait and motor function in children with developmental delays. We aimed to determine differences in gait and structure of the medial gastrocnemius muscle between typically developing children and children with developmental delays with different muscle tone.

Methods

Forty-nine participants were divided into typically developing children (n = 22), children with spastic hemiplegia (n = 6), children with spastic diplegia (n = 9), and children with central hypotonia (n = 12). A wearable gait analysis system was used to measure spatiotemporal variables and pelvic movement, and ultrasonography was used to measure the pennation angle, thickness, and fascicle length of the medial gastrocnemius.

Finding

Children with spastic hemiplegia had significantly smaller total symmetric index and pelvic tilt symmetric index than typically developing children (P < 0.050). Children with spastic diplegia had smaller pennation angle than typically developing children (P < 0.050), and children with central hypotonia had lower velocity than typically developing children (P < 0.050). Children with spastic diplegia had a greater pelvic rotation range than children with central hypotonia (P < 0.050).

Interpretation

This study helps to understand gait and muscle structure in central hypotonia and spastic cerebral palsy.

查看原文本刊更多论文

发育迟缓儿童不同肌张力的步态和内侧腓肠肌结构的比较：一项初步的试点研究。

背景：肌肉张力改变会降低发育迟缓儿童的步态和运动功能。我们旨在确定典型发育儿童和发育迟缓儿童在不同肌肉张力下的步态和内侧腓肠肌结构的差异。方法：49名参与者分为典型发育儿童（n = 22）、痉挛性偏瘫儿童（n = 6）、痉挛性双瘫儿童（n = 9）和中枢性张力低下儿童（n = 12）。采用可穿戴步态分析系统测量时空变量和骨盆运动，采用超声测量腓肠肌内侧的穿刺角度、厚度和肌束长度。发现：痉挛性偏瘫儿童的总对称指数和骨盆倾斜对称指数明显小于正常发育的儿童(P)解释：本研究有助于理解中枢性张力低下和痉挛性脑瘫的步态和肌肉结构。

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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.