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The rectus abdominis is a very long flat muscle, which extends along the whole length of the front of the abdomen, and is separated from its fellow of the opposite side by the linea alba. Tendinous intersections (intersectiones tendineae) further subdivide each rectus abdominis muscle into a series of smaller muscle bellies.
Abdominal muscles cover the anterior and lateral abdominal region and meet at the anterior midline. These muscles of the anterolateral abdominal wall can be divided into four groups: the external obliques , the internal obliques , the transversus abdominis , and the rectus abdominis .
The rectus abdominis muscles are long and flat. The muscle is crossed by three fibrous bands called the tendinous intersections. The rectus abdominis is enclosed in a thick sheath, formed as described above, by fibers from each of the three muscles of the lateral abdominal wall.
There are the six-pack muscles (the rectus abdominis) trained with spinal flexion, the deep core muscles (the transversus abdominis) which will fire up when you brace, and—if you really forge a ...
[5] [6] The anterior abdominal wall is made up of four muscles—the rectus abdominis muscle, the internal and external obliques, and the transversus abdominis."The two internal muscles, the internal oblique, and the transverse abdominis, respond more to increases in chemical or volume-related drive than the two external muscles, the rectus ...
Digital Art by Sofia Kraushaar. Muscles Worked: A plank is a full-body exercise, but specifically, it works your transverse abdominis, rectus abdominis (aka the six-pack), internal and external ...
rectus abdominis: 2 1 longissimus capitis Torso/Neck, Back, right/left articular processes of C4-C7; transverse processes of T1-T5 posterior margin of mastoid process: lateral sacral artery: posterior branch of spinal nerve: extends/flexes vertebral column, flexes head and neck to same side rectus abdominis: 2 1 longissimus colli Torso, Back ...
The rectus abdominis muscle is crossed by three fibrous bands called the tendinous intersections or tendinous inscriptions.One is usually situated at the level of the umbilicus, one at the extremity of the xiphoid process, and the third about midway between the two.