Coordination and neuromuscular control of rhythmic behaviors in the blue crab, Callinectes sapidus.
Coordination and neuromuscular control of rhythmic behaviors in the blue crab, Callinectes sapidus.
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蓝蟹（Callinectes sapidus）节律行为的协调和神经肌肉控制。
DOI：
10.1007/bf00192420
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发表时间：
1995
期刊：
影响因子：
--
通讯作者：
Derby,CD
中科院分区：
文献类型：
--
作者：
Wood,DE;Derby,CD
雄性蓝蟹（Callinectes sapidus）典型的求偶展示（CD）行为包括一个不寻常的组成部分：甲壳上方游泳附属物的有节奏的摆动。这种行为发生在一个独特的环境中，但它类似于使用游泳腿进行的其他两种有节奏的行为：侧游和向后游。作为第一步，以了解机制，允许明显不同的节奏运动模式的表达，我们已经研究了这些行为，使用慢动作视频分析和肌电图的基础肌肉的游泳腿在自由行为的螃蟹。结果表明，这些行为是由四个参数区分：腿摆动的频率，腿之间的相位关系，在基础肌肉活动的静止停顿的存在与旋转的远端腿在CD，和扩展的运动范围，这些腿在CD和向后游泳，相对于侧身游泳。肌电分析显示，在侧泳时，两条腿之间的肌肉活动顺序是不同的。相反，在CD和向后游泳时，这些腿的活动顺序是相同的。
The stereotypical courtship display (CD) behavior of the male blue crab,Callinectes sapidus, includes an unusual component: the rhythmic waving of the swimming appendages above the carapace. This behavior occurs in a unique context but it resembles two other rhythmic behaviors performed using the swimming legs: sideways swimming and backward swimming. As a first step to understanding the mechanisms that allow the expression of apparently different rhythmic motor patterns, we have examined these behaviors using slow motion video analysis and electromyography of the basal muscles of the swimming legs in freely behaving crabs. The results show that these behaviors are distinguished by four parameters: the frequency of leg waving, the phase relationship between the legs, the presence of a stationary pause in basal muscle activity combined with rotation of the distal leg during CD, and an extended range of motion of these legs during CD and backward swimming, relative to sideways swimming. EMG analysis revealed that during sideways swimming, the sequence of muscular activity between the two legs was different. In contrast, during CD and backward swimming the sequence of activity for these legs is identical.