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The sternalis muscle often originates from the upper part of the sternum and can display varying insertions such as the pectoral fascia, lower ribs, costal cartilages, rectus sheath, aponeurosis of the abdominal external oblique muscle.
The sternalis muscle (TA: musculus sternalis 8), also known as rectus sternalis or parasternalis 7, is an uncommon chest wall accessory muscle and is of uncertain etiology and function. Its importance lies in that it should not be mistaken for a pathological lesion.
The sternalis is a muscle that runs along the anterior aspect of the body of the sternum. There are two different theories as to what the Sternalis was meant to be connected to. One is the Pectoralis major, the other is the rectus abdominus, as in several cases the sternalis was actually found to have interlaced fibers with the rectus abdominus ...
16 sty 2014 · The sternalis muscle is a well documented but rare muscular variation of the anterior thoracic wall. It lies between the superficial fascia and the pectoral fascia and is found in about 8% of the population.
Ultrasound imaging of the sternalis muscle reveals a well-defined, hypoechoic structure with internal striations, consistent with the appearance of skeletal muscle. Ideally, its continuity with chest wall muscles can be traced to prove muscular origin.
23 paź 2018 · Illustration of bilateral sternalis muscle with simple type-right single, and mixed type-left triple, with superior muscle belly tricipital converging and bicipital diverging, lateral muscle belly bicipital converging, and medial muscle belly single.
1 wrz 2014 · The sternalis muscle originates from the sternum or infraclavicular region; runs between the superficial anterior thoracic and pectoral fasciae; inserts into the lower ribs, costal cartilages,...
