Coordination of two- and one-joint muscles: functional consequences and implications for motor control.
Coordination of two- and one-joint muscles: functional consequences and implications for motor control.
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二关节和一关节肌肉的协调：功能后果和对运动控制的影响。
DOI：
10.1123/mcj.4.1.1
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发表时间：
2000
期刊：
影响因子：
1.1
通讯作者：
Boris l. Prilutsky
中科院分区：
文献类型：
--
作者：
Boris l. Prilutsky
本文的目的有三个方面：(a)总结多关节任务中主要双关节和单关节肌肉协调的现有数据，并确定肌肉协调的基本特征；(b)证明可能存在一个优化标准，可以预测各种任务中单个肌肉的肌电活动的基本特征；(c)解决观察到的肌肉协调的功能后果及其控制的潜在机制。文献分析表明，在不同的自主运动任务和反射反应中，肌肉协调的基本特征是相似的。研究表明，在二维任务中，单关节和双关节肌肉协调的这些基本特征可以通过最小化肌肉应力立方来定性地预测。观察到的单关节和双关节肌肉协调的功能后果是：(a)肌肉力量以及压力，机械和代谢能量消耗，肌肉疲劳和感知努力的减少；(b)多关节肢体在保持平衡姿势时的类似弹簧的行为；(c)通过双关节肌肉在关节间传递能量。提出了一种单关节和双关节肌肉运动神经元池之间连接的概念方案，该方案解释了观察到的肌肉协调。该方案的一个重要组成部分是力依赖的抑制和激励，从双关节到单关节的增效剂和拮抗剂分别。
The purpose of this paper is three-fold: (a) to summarize available data on coordination of major two- and one-joint muscles in multijoint tasks and identify basic features of muscle coordination, (b) to demonstrate that there may exist an optimization criterion that predicts essential features of electromyographic activity of individual muscles in a variety of tasks, and (c) to address the functional consequences of the observed muscle coordination and underlying mechanisms of its control. The analysis of the literature revealed that basic features of muscle coordination are similar among different voluntary motor tasks and reflex responses. It is demonstrated that these basic features of coordination of one- and two-joint muscles in two-dimensional tasks are qualitatively predicted by minimizing the sum of muscle stresses cubed. Functional consequences of the observed coordination of one- and two-joint muscles are (a) reduction of muscle force as well as stress, mechanical and metabolic energy expenditure, muscle fatigue, and perceived effort; (b) a spring-like behavior of a multi-joint limb during maintenance of an equilibrium posture; and (c) energy transfer between joints via two-joint muscles. A conceptual scheme of connections between motoneuron pools of one- and two-joint muscles, which accounts for the observed muscle coordination, is proposed. An important part of this scheme is the force-dependent inhibition and excitation from two-joint to one-joint synergists and antagonists, respectively.
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影响因子：
2.4
作者：
Lemay, MA;Crago, PE
通讯作者：
Crago, PE
影响因子：
2.4
作者：
F. Zajac
通讯作者：
F. Zajac
使用线性和非线性编程直接比较肌肉力量预测。
DOI：
10.1115/1.3138669
发表时间：
1987
期刊：
Journal of biomechanical engineering
影响因子：
--
作者：
Pedersen,DR;Brand,RA;Cheng,C;Arora,JS
通讯作者：
Arora,JS
猫在斜坡行走时后肢肌肉的意外运动模式。
DOI：
10.1152/jn.1995.74.5.2211
发表时间：
1995
期刊：
Journal of neurophysiology.
影响因子：
--
作者：
Smith,JL;Carlson-Kuhta,P
通讯作者：
Carlson-Kuhta,P
影响因子：
2.5
作者：
BUCHANAN, TS;ALMDALE, DPJ;RYMER, WZ
通讯作者：
RYMER, WZ