Practical 1 muscle Flashcards
* first layer *

Trapezius
*spinal accessory nerve, C1-C5 cord levels*
* first layer *

Latissimus Dorsi
*thoracodorsal nerve, ventral rami C6-C8*
* first layer *

Levator scapulae
*dorsal scapula nerve, ventral ramus C5 plus ventral rami C3,C4*
* second layer *

Rhomboid major
*dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4*
* second layer *

Rhomboid minor
*dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4*
* fourth layer *

Iliocostalis lumborum
*dorsal rami lower T, all L*

Lumbosacral aponeurosis
* first layer *

Splenius capitis
*dorsal rami C3-C5*
* first layer *

Splenius cervicis
*dorsal rami C5-C7*
* third layer *

Serratus posterior superior
*intercostal nerve, ventral rami T2-T5*
* third layer *

Serratus posterior inferior
*intercostal nerves ventral rami T9-T11; subcostal nerve, ventral ramus T12*
* fourth layer *

Iliocostalis thoracis
*dorsal rami T1-T6*
* fourth layer *

Iliocostalis cervicis
*dorsal rami T1, T2; rarely C8*
* fourth layer *

longissimus thoracis
*dorsal rami T & L nerves*
* will be “cut” *
* fourth layer *

Longissimus cervicis
*dorsal rami C4-C8; T1-T2*
* fourth layer *

Longissimus capitis
*dorsal rami C1-C3; sometimes C4*
* fourth layer *

Spinalis thoracis
*dorsal rami T & upper L*
* spinous to spinous *
* fourth layer *

Spinalis cervicis
*dorsal rami C*
*must reflect splenius capitis *
* spinous to spinous *
* fourth layer *

Spinalis capitis
*dorsal rami lower C upper T*
*must reflect splenius capitis *
* spinous to spinous *
* transverse process to rib *
* 7 or 5 O’clock *
Levator costarum brevis
* transverse process to rib below *
Levator costarum longus
*** PROBE IN HOLE ***

Quadratus lumborum
ventral rami T12, L1-3 or L4
* 12 O’clock *

Semispinalis thoracis
*dorsal rami T1-T6* * “semi” drives on the side of the road *

Semispinalis cervicis
*dorsal rami C6-C8* *








































