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Myology of juvenile freshwater prawn Macrobrachium amazonicum (Decapoda, Caridea): Morphology and swimming implication.
Arthropod Structure & Development ( IF 2 ) Pub Date : 2020-07-31 , DOI: 10.1016/j.asd.2020.100973
Thalles Fernando Rocha Ruiz 1 , Gabriel Vieira Martins Rezende Gois 2 , João Candido Rodrigues Rocha 2 , Mateus Rossetto Vidal 3 , Mario Vitor Buzete Gardinal 4 , Carlos Alberto Vicentini 5 , Irene Bastos Franceschini Vicentini 5
Affiliation  

Little is known about the functional morphology of locomotion in prawns, and even fewer studies have succeeded in relating a specific muscular group to the movement of the body. The present study aimed to describe the morphology of the thoracoabdominal muscle system and its implications for swimming in juveniles of Macrobrachium amazonicum. Ten muscles were observed in the abdominal muscular system in juveniles of M. amazonicum. The complex arrangement of the anterior oblique muscle in association with the central muscles occupies most of the abdominal space. This muscular compound could promote a flexion movement of the abdomen for body propulsion as well as the tail movement during swimming. Morphofunctional continuity between thoracic and abdominal muscles could aid in locomotion and support the abdominal movement. Moreover, collagen plays a valuable role in connecting deep muscles not inserted in the carapace. Collagenous fascia could transmit the tension during the contraction of deep muscles for coordinated movement.



中文翻译:

幼体淡水虾亚马逊河虾的生物学(形态学和游泳意义)。

对虾运动的功能形态知之甚少,甚至很少有研究成功地将特定的肌肉群与身体的运动联系起来。本研究的目的是描述胸腹肌肉系统及其影响的形态学研究的青少年游泳罗氏沼虾amazonicum。在亚马逊分枝杆菌幼虫的腹部肌肉系统中观察到十块肌肉。前斜肌和中枢肌的复杂排列占据了大部分腹部空间。这种肌肉复合物可以促进腹部的屈曲运动以推动身体,以及在游泳过程中促进尾巴运动。胸部和腹部肌肉之间的形态功能连续性可以帮助运动并支持腹部运动。此外,胶原蛋白在连接未插入甲壳的深层肌肉中起重要作用。胶原筋膜可在深部肌肉收缩期间传递张力,以协调运动。

更新日期:2020-07-31
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