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3 lis 2023 · Function. External abdominal oblique muscle has a variety of functions depending if it contracts unilaterally or bilaterally. When acting unilaterally and in synergy with the contralateral internal abdominal oblique, it rotates the trunk to the opposite side.
- Pyramidalis
Pyramidalis muscle (Musculus pyramidalis) Pyramidalis is a...
- Anterior Abdominal Muscles
Origin and insertion. The rectus abdominis muscle is...
- Lateral Abdominal Muscles
In detail, a bilateral contraction of the lateral abdominal...
- Linea Alba
It is also an attachment site for several structures and...
- Iliohypogastric Nerve
This branch then passes through the aponeurosis of the...
- Inguinal Canal
Key facts about the inguinal canal; Walls: Roof - formed by...
- Rectus Sheath
The rectus sheath is a tendon sheath (aponeurosis) which...
- Rectus Abdominis
But taking the functional anatomy into account, these two...
- Pyramidalis
Function. The external obliques on either side: Help rotate the trunk. Bilateral contraction of EO along with rectus abdominis and internal oblique flexes the trunk by drawing the pubis towards the xiphoid (like in crunches or sit-ups) [2] Stabilizing the core. Help pull the chest, as a whole, downwards, which compresses the abdominal cavity.
Function. The external oblique functions to pull the chest downwards and compress the abdominal cavity, which increases the intra-abdominal pressure as in a Valsalva maneuver.
20 sty 2018 · Each side of the body has an external oblique muscle. The external oblique muscle is one of the outermost abdominal muscles, extending from the lower half of the ribs around and down...
8 kwi 2024 · The external oblique is a muscle of the anterior abdominal wall. It is the largest and most superficial of the flat abdominal wall muscles. Attachments: Originates from ribs 5-12 and inserts onto the iliac crest and pubic tubercle. Actions: Flexion and contralateral rotation of the torso.
The external abdominal oblique muscle (Fig. 2) is the most superficial of the 3 lateral abdominal muscles. The external abdominal oblique arises from the posterior aspects of the lower 8 ribs and interdigitates with both the serratus anterior and the latissimus dorsi at its origin.
5 cze 2024 · Your abdominal muscles have many important functions, from holding organs in place to supporting your body during movement. There are five main muscles: pyramidalis, rectus abdominus, external obliques, internal obliques and transversus abdominis.
