Levatores Costarum Muscles Information
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
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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| List of muscles of thorax and back (TA A04.3-4, GA 4.397) |
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| Back |
splenius (capitis, cervicis) · erector spinae (iliocostalis, longissimus, spinalis) · latissimus dorsi
transversospinales: (semispinalis dorsi, semispinalis cervicis, semispinalis capitis, multifidus, rotatores) · interspinales · intertransversarii
Vertebral column: trapezius · latissimus dorsi · rhomboid (major, minor) · levator scapulae
fascia: Thoracolumbar fascia
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| 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
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: MUS, DF+DRCT
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Categories: Back anatomy | Muscles of the torso
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