posterior serratus muscle

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Noun1.posterior serratus muscle - skeletal muscle that draws the rib cage backward and downward
serratus, serratus muscles - any of several muscles of the trunk
serratus posterior inferior - a thin quadrilateral muscle at the junction of the thoracic and lumbar regions; acts to counteract the pull of the diaphragm on the ribs to which it is attached
serratus posterior superior - a thin quadrilateral muscle of the upper and dorsal part of the thorax; acts to elevate the upper ribs
References in periodicals archive ?
The human superior posterior serratus muscle supplied by both the intercostal and dorsal scapular nerves.
Ultrasound images of the rhomboid major muscle located between the trapezius and posterior serratus muscles. The thickness can be examined as the vertical length between the inferior echogenic fascial line of the trapezius and the superior line of the posterior serratus.

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