What muscle runs vertically along each side of the abdominal wall?
rectus abdominis muscles
The flat muscles that form the lateral anterior abdominal wall include (from external to internal) the external oblique, internal oblique, and transversus abdominis muscles. The rectus abdominis muscles are paired, vertically oriented, strap-like muscles running on either side of the midline.
Which muscles run vertically on the abdomen 6 pack?
The six-pack is the rectus abdominus, a paired muscle that runs vertically on each side of the abdomen, separated in the middle by a band of connective tissue called the linea alba, or white line.
How would you name a muscle that has 4 heads with fibers running vertically and is located in the abdominal region?
The human rectus abdominis muscle. costal cartilages of ribs 5-7 Xiphoid process of sternum. The rectus abdominis muscle, also known as the “abdominal muscle”, is a paired muscle running vertically on each side of the anterior wall of the human abdomen, as well as that of some other mammals.
Where are the vertical muscles located in the abdominal wall?
Vertical Muscles. There are two vertical muscles located in the midline of the anterolateral abdominal wall – the rectus abdominis and pyramidalis. The rectus abdominis is long, paired muscle, found either side of the midline in the abdominal wall. It is split into two by the linea alba.
Which is the most superficial flat muscle in the abdominal wall?
The aponeuroses of all the flat muscles become entwined in the midline, forming the linea alba (a fibrous structure that extends from the xiphoid process of the sternum to the pubic symphysis). The external oblique is the largest and most superficial flat muscle in the abdominal wall. Its fibres run inferomedially.
What are the functions of the anterior abdominal wall?
Anterior abdominal wall 1 Function. The anterior abdominal wall is highly distensible and is involved in various functions… 2 Structures of the Anterior Abdominal Wall. 3 Rectus Sheath. The rectus sheath is a strong fibrous sheath around the rectus abdominis… 4 Functions of Anterior Abdominal Wall Muscles.
Where are the deep layers of the abdominal wall located?
The deep layers of the anterolateral abdominal wall are supplied by the following: Superior epigastric artery, a terminal branch of the internal thoracic artery. It runs in the rectus sheath behind the rectus muscle and supplies the superior part of the wall.