保持横向的翅膀:用于胸围肌肉的角色,除了两个主要的飞行肌肉外
D Charles Deeming1, María Clelia Mosto2
1Joseph Banks Laboratories, School of Natural Sciences, University of Lincoln, Lincoln, UK.
Journal of anatomy
|September 25, 2025
概括
这项研究揭示,三角形主要肌肉在使鸟类能够长时间翔方面发挥着关键作用. 这个肌肉有助于抵消手臂的旋转,这是持续滑翔飞行的关键因素.
科学领域:
- 鸟类生物力学 鸟类生物力学
- 比较解剖学的比较解剖学.
- 功能形态学 功能形态学
背景情况:
- 许多鸟类物种表现出滑翔和翔的飞行,以实现高效的机动.
- 在飞行中保持水平的翅膀姿势通常归因于胸部肌肉和肩膀锁.
- 之前的研究忽视了由飞行肌肉收缩引起的肩膀骨头长轴旋转.
研究的目的:
- 为了研究三角形主要肌肉在抵消鸟类飞行期间部旋转中的作用.
- 在鸟类中探索肌肉质量与身体质量的关系.
- 为了确定胸皮带和前肢肌肉在不同飞行风格中的潜在功能作用.
主要方法:
- 从科学文献和鸟类解剖中整理肌肉质量数据.
- 分析肌肉质量和身体质量之间的全度关系.
- 通过比较不同鸟类种类中deltoideus大肌肉的相对尺寸,特别是飞翔与非飞翔的相对尺寸.
主要成果:
- 所有研究的肌肉都显示出与身体质量的同位度缩放.
- 在经常飞翔或长时间滑翔的鸟类中,deltoideus大肌肉的体积不成比例.
- 其他电梯肌肉在物种之间尺寸的变化较小,与deltoideus major相比.
结论:
- 飞翔鸟类中相对较大的deltoideus主要表明,它可以在胸部肌肉收缩期间抵消部长轴旋转.
- 这个肌肉的起源和插入支持其在稳定机翼空气动力学角度方面的作用.
- 这些发现表明,胸皮带和前肢肌肉在各种鸟类飞行风格中起着重要的,以前没有考虑过的作用.
关键词:
m.Deltoideus 大型的动物m. 胸部的部分.m. 头骨 (Scapulohumeralis caudalis) 头骨 (Scapulohumeralis caudalis) 是一个长腿的动物.m. 超大甲状腺的所有度测法 (allometry) 是一种全度测法.鸟类 鸟类 鸟类 鸟类 鸟类水平翼的横向机翼是一个水平的机翼.部骨: 部骨是指部骨的部分,是指部骨的部分.飞行飞行飞行飞行飞行飞行更多相关视频
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