Atypical triceps surae force and work patterns underlying gait in children with cerebral palsy.
Atypical triceps surae force and work patterns underlying gait in children with cerebral palsy.
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DOI：
10.1002/jor.25307
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发表时间：
2022-12
影响因子：
2.8
通讯作者：
Thelen, Darryl G.
中科院分区：
文献类型：
--
作者：
Ebrahimi, Anahid;Schwartz, Michael H.;Martin, Jack A.;Novacheck, Tom F.;Thelen, Darryl G.
关键词：
本研究的目的是定量评估跟腱的力学行为在步态中的脑瘫儿童（CP）。我们使用一种新设计的无创传感器测量11名CP儿童（4名F，8-16岁）和15名典型发育儿童（对照组）（9名F，8-17岁）在地上行走时的跟腱力。通过结合肌肉-肌腱动力学、运动学和EMG活动生成机械功循环图（力-位移图），以评价踝关节周围产生的跟腱功。CP儿童的工作循环模式与对照组有很大不同。值得注意的是，与控制组相比，CP儿童在他们喜欢的速度下的工作生产显着减少。尽管测试了CP儿童的异质性人群，但我们在这些参与者中观察到了均匀的弹簧样肌腱行为。这与控制参与者形成对比，他们在步态期间使用足底屈肌作为马达。临床意义声明：这些数据证明了使用皮肤安装传感器客观评价肌肉对病理步态做功的贡献的潜力。
The purpose of this study was to quantitatively assess Achilles tendon mechanical behavior during gait in children with cerebral palsy (CP). We used a newly designed noninvasive sensor to measure Achilles tendon force in 11 children with CP (4F, 8–16 years old) and 15 typically developing children (controls) (9F, 8–17 years old) during overground walking. Mechanical work loop plots (force‐displacement plots) were generated by combining muscle‐tendon kinetics, kinematics, and EMG activity to evaluate the Achilles tendon work generated about the ankle. Work loop patterns in children with CP were substantially different than those seen in controls. Notably, children with CP showed significantly diminished work production at their preferred speed compared to controls at their preferred speed and slower speeds. Despite testing a heterogeneous population of children with CP, we observed a homogenous spring‐like muscle‐tendon behavior in these participants. This is in contrast with control participants who used their plantar flexors like a motor during gait. Statement of Clinical Significance: These data demonstrate the potential for using skin‐mounted sensors to objectively evaluate muscle contributions to work production in pathological gait.
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影响因子：
2.4
作者：
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通讯作者：
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影响因子：
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作者：
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通讯作者：
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影响因子：
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作者：
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影响因子：
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作者：
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通讯作者：
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DOI：
10.1093/gerona/glr008
发表时间：
2011-05-01
影响因子：
5.1
作者：
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通讯作者：
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