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人体解剖学-腹横肌

Transversus Abdominis Muscle: Function & Origins - Human Anatomy | Kenhub

腹横肌的解剖与功能——大家好 我们又见面了!
Transversus abdominis muscle – Function & Anatomy -Hello,again!
人体解剖学|Kenhub我是来自Kenhub的Matt
Human Anatomy | Kenhub It’s Matt from Kenhub,
在这次课中 我们将会讨论腹横肌
and in this tutorial,we will discuss the transversus abdominis.
外侧群的腹肌是腹壁肌肉的张力系统
The lateral abdominal muscles are part of the tension system
的组成部分
of the abdominal wall musculature.
和前群的腹肌一起
Together with the anterior abdominal muscles,
构成腹壁的肌肉组织
they form the musculature of the anterior body wall.
外侧群腹肌由
The lateral abdominal muscles are made
腹外斜肌
up of the abdominal external oblique muscle,
腹内斜肌
abdominal internal oblique muscle,
以及本次课程的核心——腹横肌
and the transversus abdominis muscle which is the
构成
focus of this short video tutorial.
腹横肌有四个起始点:
The transversus abdominis muscle has 4 points of origin
起自第7至12肋软骨的内面
running from the inner surface of the 7th to 12th costal cartilages
胸腰筋膜
the thoracolumbar fascia
髂嵴
and the iliac crest horizontally
和腹股沟韧带
and the inguinal ligament.
止于白线
It has its insertion on the linea alba.
腹横肌由
The innervation of the transverse abdominis is supplied
第7至12肋间神经
by the 7th to 12th intercostal nerves
和腰丛的分支——
as well as the branches of the lumbar plexus
髂腹下神经 髂腹股沟神经支配
namely the iliohypogastric nerve and the ilioinguinal nerve.
外侧群腹肌的腱膜构成腹直肌鞘
The aponeurosis of the lateral abdominal muscles build the rectus sheath,
腹直肌鞘包绕腹直肌
a tendinous envelope for the rectus abdominis muscle.
分为 前层和后层
It is divided into an anterior and posterior layer
这两层在白线处汇合
which interdigitate in the median line called the linea alba.
大约在脐平面以下4-5cm处有弓状线
Above the arcuate line, about 4-5 cm caudal of the umbilicus,
弓状线以上 前层由腹内斜肌和
the anterior layer of the rectus sheath consists of the aponeurosis
腹外斜肌构成
of the internal and external oblique
后层由腹内斜肌和 腹横肌构成
and the posterior layer is made up of the aponeurosis of the internal oblique and transverse abdominis.
弓状线以下
Below the arcuate line,
前层由 3块外侧群腹肌的腱膜构成
the anterior layer of the rectus sheath is built by the aponeurosis of all 3 lateral abdominal muscles
而后层仅有 腹横筋膜和腹膜覆盖
whereas the posterior layer is only covered by the transverse fascia and the peritoneum.
腹肌负责前体壁的张力
The abdominal muscles are responsible for the tension of the anterior body wall.
与背部肌群一起
In collaboration with the back musculature,
稳定脊柱和
they stabilize the vertebral column
移动躯干
and move the trunk.
通过挤压腹部 增加腹内压
Through abdominal press, they increase theintra-abdominal pressure
从而支持排空过程 比如排便 排尿 以及呼气
and thereby, support emptying processes such as defecation andurination and also support exhalation.
腹横肌的单侧收缩
A unilateral contraction of the transversus abdominis
导致身体向同侧旋转
leads to an ipsilateral rotation
腹内斜肌也是这样
along with the internal oblique muscle.
这个视频比看课本更有趣 对吧?
This video is more fun than reading a textbook,right?
如果你想看更多视频 互动小测验 文章
If you want more videos, interactive quizzes, articles,
以及人体解剖学图谱
and an atlas of human anatomy,
点击“带我去Kenhub”按钮
click on the “Take me to Kenhub” button.
是时候和你的老课本说再见
It is time to say goodbye to your old textbooks
并拥抱你全新的解剖学习搭档——
and say hello to your new anatomy learning partner,
Kenhub了!
Kenhub!
Kenhub见
See you there!

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视频来源

https://www.youtube.com/watch?v=RFiyGkXaKZ4

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