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来自维基百科,自由的百科全书
阔背肌(latissimus dorsi),是将手臂向下和下后拉的背部肌肉。这两块三角肌各有一阔端附著于脊椎和骨盆带上,较窄的一端则在肩下延伸到肱骨。其拉丁语(及英语)名称“latissimus dorsi”意为“背部之最宽阔者”。阔背肌可支撑举过头部的手臂,并将手臂从抬高的位置向下移动。如果你手臂用力向侧面伸开,就会感到阔背肌的绷紧。
阔背肌 | |
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基本信息 | |
起点 | Spinous processes of vertebrae T7-L5, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs and inferior angle of scapula |
终点 | Floor of intertubercular groove of the humerus |
动脉 | Thoracodorsal branch of the subscapular artery |
神经 | Thoracodorsal nerve (C6, C7, C8) |
相关动作 | Adducts, extends and internally rotates the arm when the insertion is moved towards the origin. When observing the muscle action of the origin towards the insertion, the lats are a very powerful rotator of the trunk. |
拮抗肌 | Deltoid and chest |
标识字符 | |
拉丁文 | Musculus latissimus dorsi |
TA98 | A04.3.01.006 |
TA2 | 2231 |
FMA | FMA:13357 |
《肌肉解剖学术语》 [在维基数据上编辑] |
这是一篇关于肌肉的小作品。您可以通过编辑或修订扩充其内容。 |
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