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The serratus posterior superior muscle arises by an aponeurosis from the lower part of the nuchal ligament, from the spinous processes of C7, T1, T2, and sometimes T3, and from the supraspinal ligament. [2] It is inserted, by four fleshy digitations into the upper borders of the second, third, fourth, and fifth ribs past the angle of the rib. [2]
It has an irregularly quadrilateral form, broader than the serratus posterior superior muscle, and separated from it by a wide interval. It arises by a thin aponeurosis from the spinous processes of the lower two thoracic and upper two or three lumbar vertebrae. [1]
The serratus posterior inferior and serratus posterior superior are innervated by the ventral primary ramus and are hypaxial muscles. Epaxial muscles include other (dorsal) muscles associated with the vertebrae, ribs, and base of the skull.
It entails the fasciae and aponeuroses of the latissimus dorsi muscle, serratus posterior inferior muscle, abdominal internal oblique muscle, and transverse abdominal muscle. [ 4 ] In the lumbar region, it is known as lumbar fascia and here consists of 3 layers (posterior, middle, and anterior) enclosing two muscular compartments.
Apart from the above neck muscles, the following muscles have also been observed contributing to respiration: serratus anterior, pectoralis major and pectoralis minor, trapezius, latissimus dorsi, erector spinae, iliocostalis, quadratus lumborum, serratus posterior superior, serratus posterior inferior, levatores costarum, transversus thoracis ...
Serratus posterior may refer to: Serratus posterior superior muscle , a thin, quadrilateral muscle, situated at the upper and back part of the thorax Serratus posterior inferior muscle , a muscle that lies at the junction of the thoracic and lumbar regions
Serratus; Serratus anterior muscle; Serratus posterior inferior muscle; Serratus posterior superior muscle; Spinalis; Splenius capitis muscle; Splenius cervicis muscle; Splenius muscles; Sternalis muscle; Subcostalis muscle
Serratus posterior superior muscle; Serratus posterior inferior muscle; Notes This page was last edited on 22 October 2020, at 23:07 (UTC). Text is ...