Search results
Results from the WOW.Com Content Network
The rectus sheath (also called the rectus fascia [1]) is a tough fibrous compartment formed by the aponeuroses of the transverse abdominal muscle, and the internal and external oblique muscles. It contains the rectus abdominis and pyramidalis muscles, as well as vessels and nerves.
The arcuate line of rectus sheath (the arcuate line or the semicircular line of Douglas) is a line of demarcation [1] corresponding to the free inferior margin of the posterior layer of the rectus sheath [2] inferior to which only the anterior layer of the rectus sheath is present [3] and the rectus abdominis muscle is therefore in direct contact with the transversalis fascia. [1]
A rectus sheath hematoma is an accumulation of blood in the sheath of the rectus abdominis muscle.It causes abdominal pain with or without a mass.. The hematoma may be caused by either rupture of the epigastric artery or by a muscular tear.
The linea alba is formed by the union of aponeuroses (of the muscles of the anterior abdominal wall [2]) that collectively make up the rectus sheath. The linea alba attaches to the xiphoid process superiorly, and to the pubic symphysis inferiorly. It is narrow inferiorly where the two recti abdominis muscles are in contact with each other ...
If a mass in the abdominal wall does not cross midline and does not change with flexion of the rectus muscles, this is a positive sign for a rectus sheath hematoma. It is named for English obstetrician William Edward Fothergill , who described features of rectus sheath hematomas in a 1926 article in the British Medical Journal entitled ...
Diastasis recti, or rectus abdominis diastasis, is an increased gap between the right and left rectus abdominis muscles. [1] The increased distance between the muscles is created by the stretching of the linea alba , a connective collagen sheath created by the aponeurosis insertions of the transverse abdominis , internal oblique , and external ...
It needs to be distinguished from the lateral border of the rectus abdominis muscle sheath which is often wrongly described as semilunar line. The lateral border of the rectus sheath is part of the recently described EIT ambivium to more precisely describe this important part of the anterior abdominal wall. [1]
A positive test indicates the increased likelihood that the abdominal wall and not the abdominal cavity is the source of the pain (for example, due to rectus sheath hematoma instead of appendicitis). [ 3 ] [ 4 ] A negative Carnett's sign is said to occur when the abdominal pain decreases when the patient is asked to lift the head; this points ...