Contents
What are the muscles of anterior abdominal wall?
Musculature
| Overview of the muscles of abdominal wall | ||
|---|---|---|
| Muscle | Vascular supply | |
| Anterior muscles (vertical muscles) | Rectus abdominis | Superior and inferior epigastric arteries |
| Pyramidalis | Inferior epigastric arteries | |
| Anterolateral muscles (flat muscles) | External oblique | Lower intercostal, subcostal, and deep circumflex iliac arteries |
What is the anterior abdominal wall?
The anterior abdominal wall forms the anterior limit of the abdominal viscera and is defined superiorly by the xiphoid process of the sternum and costal cartilages and inferiorly by the iliac crest and pubic bones of the pelvis. …
What is the most anterior muscle of the abdominal wall?
rectus abdominis
Anterior abdominal wall muscles The anterior muscle group includes the rectus abdominis and pyramidalis muscles. These are almost completely enveloped by the thick rectus sheath formed by the aponeuroses of the lateral abdominal muscles.
Which are muscles of the anterior abdominal wall quizlet?
Terms in this set (4)
- Rectus Abdominis. Flexion of the Lumbar Spine.
- External Oblique. Contralateral rotation of the torso.
- Internal Oblique. Compress abdomen; unilateral contraction rotates vertebral column to same side.
- Transversus Abdominis. Compresses abdominal contents.
What is the function of the abdominal wall?
Structure and Function The major functions of the abdominal wall include: Providing a durable and flexible covering to prevent the abdominal viscera from leaving the abdominal cavity. Protecting internal abdominal organs from trauma/injury. Maintaining the anatomical position of the abdominal organs.
Is there deep fascia in anterior abdominal wall?
Fasciae of the anterior abdominal wall Unlike most of the rest of the body the anterior abdominal wall has no deep fascia. The superficial fascia has two layers, a fatty layer (Camper’s fascia) underneath which is a membranous (fibrous) layer (Scarpa’s fascia).
What are the 3 major muscle pairs of the anterior abdominal wall?
Muscles of the anterior abdominal wall consists of two vertical muscles located on the midline and bisected by linea alba; Rectus abdominis and pyramidalis and three flat muscles on the anterolateral side arranged from superficial to deep; external abdominal oblique, internal abdominal oblique, transversus abdominis.
Which muscle do you contract when you compress the anterior abdominal wall?
rectus abdominis muscles
The rectus abdominis muscles are a pair of long muscles that run vertically up the front of the abdomen, stretching from the pubis to the xiphoid process. They compress the viscera and tense the abdominal wall.
What are the functions of the anterior abdominal muscles?
The muscles of the anterior abdominal wall are largely involved in protecting the contents of the abdominal cavity, but also function to move the trunk and assist in other bodily functions. This article will outline the abdominal muscle anatomy, including their attachments, function, innervation, blood supply, and related fascia and aponeuroses.
Which is not part of the anterior abdominal wall?
Which of the following abdominal muscles is not a part of the anterior abdominal wall? diaphragm, scalene Which muscle pair plays a role in respiration? a long tendon that runs down the middle of the rectus abdominis
How are the muscles of the thorax and abdominal wall function?
It is a complex job to balance the body on two feet and walk upright. The muscles of the vertebral column, thorax, and abdominal wall extend, flex, and stabilize different parts of the body’s trunk. The deep muscles of the core of the body help maintain posture as well as carry out other functions.
Where are the abdominal muscles located in the body?
Figure 1. Muscles of the Abdomen. The anterior abdominal muscles include the medially located rectus femoris, which is covered by a sheet of connective tissue called the linea alba. On the flanks of the body, medial to the rectus femoris, the abdominal wall is composed of three layers.