Subcostales muscle

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Subcostales muscle
Latin musculus subcostalis
Gray's subject #117 403
Origin: inner surface of one rib
Insertion: inner surface of the second or third rib above, near its angle
Artery:
Nerve: intercostal nerves
Action:
Dorlands/Elsevier m_22/12551003

The Subcostales (singular: subcostalis) (Infracostales) consist of muscular and aponeurotic fasciculi, which are usually well-developed only in the lower part of the thorax; each originates from the inner surface of one rib , and is inserted into the inner surface of the second or third rib above, near its angle.

Their fibers run in the same direction as those of the Intercostales interni.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e
List of muscles of torso
BACK splenius (capitis, cervicis) - erector spinae (iliocostalis, longissimus, spinalis) - latissimus dorsi
transversospinales: (semispinalis dorsi, semispinalis cervicis, semispinalis capitis, multifidus, rotatores) - interspinales - intertransversarii
SUBOCCIPITAL rectus capitis posterior (major, minor) - obliquus capitis (inferior, superior)
CHEST intercostales (external, internal, innermost) - subcostales - transversus thoracis - levatores costarum - serratus posterior (inferior, superior) - diaphragm
ABDOMEN anterior/lateral wall: obliques (external, internal) - transversus abdominis - rectus abdominis - pyramidalis

posterior wall: quadratus lumborum - psoas major/psoas minor - iliacus

cremaster
PELVIS/FLOOR levator ani (iliococcygeus, pubococcygeus, puborectalis) - coccygeus
PERINEUM anal triangle: sphincter ani (externus, internus)

superficial perineal pouch (superficial transverse perineal, bulbospongiosus, ischiocavernosus)

deep perineal pouch (deep transverse perineal, sphincter urethrae membranaceae)


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