Back Muscles Flashcards
What is the proximal attachment of the serratus posterior superior?
(L15 S31)
- ligamentum nuchae
- spinous process of C7 and T1-2(3)
What is the distal attachment of the serratus posterior superior?
(L15 S31)
-ribs 2-5
What is the innervation of the serratus posterior superior?
L15 S31
-ventral rami of intercostals T1-3(4)
What is the action of the serratus posterior superior?
L15 S31
-elevate upper ribs during inspiration
What is the proximal attachment of the serratus posterior inferior?
(L15 S31)
-spinous process of T11-12 and L1
What is the distal attachment of the serratus posterior inferior?
(L15 S31)
-ribs (9)10-12
What is the innervation of the serratus posterior inferior?
L15 S31
-ventral rami of intercostals T9-12
What is the action of the serratus posterior inferior?
L15 S31
- pull lower ribs inferiorly
- counteracts diaphragm
What is the proximal attachment of the splenius capitus?
L15 S39
-spinous process of C7 and T1-4
What is the distal attachment of the splenius capitus?
L15 S39
- superior nuchal line
- mastoid
What is the proximal attachment of the splenius cervicis?
L15 S39
-spinous process of T3-T6
What is the distal attachment of the splenius cervicis?
L15 S39
-transverse process of C1-4
What is the proximal attachment of the iliocostalis?
L15 S44
- ilium
- sacrum
What is the distal attachment of the iliocostalis?
L15 S44
-most ribs
What is the proximal attachment of the longissimus?
L15 S44
-transverse processes and sacrum