ThoraxMm

Card Set Information

Author:
rustemk
ID:
1662
Filename:
ThoraxMm
Updated:
2009-11-25 10:44:26
Tags:
Thorax muscles
Folders:

Description:
I,A,O,N of the Thorax muscles
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  1. Levator Costarum
    • Superior Attachment: Transverse process of T7-T11
    • Inferior Attachment: Subjacent ribs between tubercle and angle
    • Innervation: Posterior rami of C8-T11
    • Actions: Elevate ribs
  2. Serratus Posterior Superior
    • Superior Attachment: Nuchal ligament, spinous process of C7-T3
    • Inferior Attachment: Superior borders of 2nd-4th ribs
    • Innervation: 2nd-5th intercostal nn.
    • Actions: Elevate ribs (largely proprioceptive)
  3. Serratus Posterior Inferior
    • Superior Attachment: Spinous processes of T11-L2 vertebrae
    • Inferior Attachment: Inferior borders of 8th-12th ribs near their angles
    • Innervation: 9th-11th intercostal nerves, subcostal (T12) nerve
    • Actions: Depress ribs (largely proprioceptive)

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