EXAM 1: Intrinsic Back muscles and Suboccipital Region Flashcards
EXAM 1 (21 cards)
MA of splenius capitis and cervicis?
unilaterally:
-neck lateral flexion
-head ipsilateral rotation
bilaterally:
head/neck extension
PA of splenius capitis and cervicis
ligamentum nuchae
SP of C7-T6
DA of splenius capitis
fibers run superolaterally to mastoid process
superior nuchal line
DA of splenius cervicis
TP of C1-C4
N of splenius capitis and cervicis
posterior rami of spinal nerves
P of splenius capitis and cervicis
social interaction, driving
ventral nerve roots are…
motor
dorsal nerve roots are…
sensory
innervate ventral body wall, superficial back, and all limb parts
ventral rami
innervate skin and deep muscles of the back
dorsal rami
MA of erector spinae
unilaterally:
vertebral column ipsilateral lateral flexion
bilaterally:
vertebral column extension
PA of erector spinae
common tendon (thoracolumbar fascia) that attaches to the…
-posterior surface of sacrum
-iliac crest
-SP of lumbar and last 2 thoracic vertebrae
DA of iliocostalis
lower rib angles
Cervical TP
DA of longissimus
between rib tubercles and angles to thoracic TP
DA of spinalis
upper thoracic SP
cranium
N of erector spinae
posterior rami of spinal nerves
P of erector spinae
maintaining an upright posture for ADLs/IADLs
iliocostalis m can be named in three areas of the back…
iliocostalis cervicis
iliocostalis thoracis
iliocostalis lumborum
longissimus m can be named in two areas of the back…
longissimus capitis
longissimus thoracis
spinalis m can named in two areas of the back…
spinalis cervicis
spinalis thoracis
