Interspinales muscles; Levatores costarum muscles; Longissimus; Spinalis; References. This article incorporates text in the public domain from page 401 of the 20th edition of Gray's Anatomy (1918) External links. Intertransversarii at the Duke University Health System's Orthopedics program. Levatores costarum-interspinales-intertransversarii. Splenius capitis-splenius group O: spinous processes of C7-T4 and lower half of ligamentum nuchea. O/I/A levatores costarum and what muscle group it is in. O: transverse processes of C7-T11 and the fibers run inferolaterally to insert onto the rib below. Intrinsic back muscles often occur in exams. Here you may find all relevant muscle groups for the anatomy of the torso. Intrinsic back muscles explanations, sacrospinalis system, spinotransversalis system, intertransversalis system, spinalis and interspinalis system.

definition - Levatores costarum muscles

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Levatores costarum muscles
Deep muscles of the back. (Levatores costarum labeled vertically at center left.)
Latin	musculi levatores costarum
Gray's	subject #117 403
Origin	Transverse processes of C7 to T12 vertebrae
Insertion	Superior surfaces of the ribs immediately inferior to the preceding vertebrae
Artery
Nerve	dorsal rami C8-T11
Actions	Assists in elevation of the thoracic rib cage

The Levatores costarum, twelve in number on either side, are small tendinous and fleshy bundles, which arise from the ends of the transverse processes of the seventh cervical and upper eleven thoracic vertebrae

They pass obliquely downward and laterally, like the fibers of the Intercostales externi, and each is inserted into the outer surface of the rib immediately below the vertebra from which it takes origin, between the tubercle and the angle (Levatores costarum breves).

Each of the four lower muscles divides into two fasciculi, one of which is inserted as above described; the other passes down to the second rib below its origin (Levatores costarum longi).

Their role in normal inspiration, if any, is uncertain. They have been suggested to have a proprioceptive function.

External links

LUClc
597295163 at GPnotebook
Levator+costarum+muscles at eMedicine Dictionary

This article was originally based on an entry from a public domain edition ofGray's Anatomy. As such, some of the information contained within it may be outdated. Mail merge greyed out.

List of muscles of thorax and back (TA A04.3–4, GA 4.397)

Back

splenius (capitis, cervicis) ·erector spinae (iliocostalis, longissimus, spinalis) ·latissimus dorsi Boardwalk empire s01 torrent.

transversospinales: (semispinalis dorsi, semispinalis cervicis, semispinalis capitis, multifidus, rotatores) ·interspinales·intertransversarii

Vertebral column: trapezius·latissimus dorsi·rhomboid (major, minor) ·levator scapulae

fascia: Thoracolumbar fascia

Thorax

intercostales (external, internal, innermost) ·subcostales·transversus thoracis·levatores costarum·serratus posterior (inferior, superior) ·diaphragm

Thoracic cavity: pectoralis major·pectoralis minor·subclavius·serratus anterior

fascia: Pectoral fascia·Clavipectoral fascia

anat (h/n, u, t/d, a/p, l)/phys/devp/hist

proc, drug (M1A/3)

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Interspinales Muscle

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Levatores Costarum Interspinales And Intertransversarii