Lec. 2: O/I of Deep Muscles of the Back Flashcards
(29 cards)
3 intermediate mms of the back
-Serratus POST SUP
-Serratus POST INF
-Levator costorum
serratus posterior superior
O: INF ligamentum nuchae and SP’s of C7-T2/3
I: SUP surfaces of ribs 2-5
serratus posterior inferior
O: SP’s of T11-L2
I: INF surface of ribs 9-12 MED to their angles
levator costorum
O: tips of TVPs of C7-T11
I: INF-LAT to rib below (b/w tubercle and angle)
the deep mms of the back are subdivided into 4 groups
-splenius group
-erector spinae group
-transversospinalis group
-segmental group
colli is interchangeable with what term
cervicis
splenius cervicis
O: SP’s of T3-T6
I: POST tubercles of the TVP’s C1-C3
splenius capitis
O: SP’s C7-T3 and the INF 1/2 of ligamentum nuchae
I: mastoid process and LAT 1/3 of SUP nuchal line
Iliocostalis Lumborum
O: SP’s of T11-L5, sacrum, PSIS, and POST iliac crest
I: lower 6 ribs (ribs 7-12) MED to their angles
mms of the erector spinae group (8)
-iliocostalis lumborum
-iliocostalis thoracis
-iliocostalis cervicis
-longissimus thoracis
-longissimus cervicis
-longissimus capitis
-spinalis thoracis
-spinalis cervicis
acronym for order of erector spinae mms (from LAT to MED)
I Love Standing (ILS)
iliocostalis thoracis
O: lower 6 ribs (ribs 7-12) MED to ICL insertion
I: Upper 6 ribs MED to their angles
iliocostalis cervicis
O: upper 6 ribs MED to ICT insertion
I: TVP’s of C6-C4
longissimus thoracis
O: SP’s of T11-L5, sacrum, PSIS, and the POST iliac crest
I: TVP’s of all T/SP and slips to lower 9-10 ribs (ribs 3/4-12)
longissimus cervicis
O: TVP’s of T6-T1
I: TVP’s of C6-C2
longissimus capitis
O: TVP’s of T5-T1, art. processes of C7-C4 (slightly different in complete anatomy)
I: mastoid process of the temporal bone
spinalis thoracis
O: SP’s of T11-L5, sacrum, PSIS, and the POST iliac crest
I: SP’s of T1-T8 (varies)
spinalis cervicis
O: ligamentum nuchae (lower half) and the SP’s of C7-T2
I: SP’s of the axis (C2) (and occasionally C3 & 4)
mms of the transversospinalis group (5)
-rotatores brevis and longus
-multifidus
-semispinalis thoracis
-semispinalis cervicis
-semispinalis capitis
rotatores brevis and longus
O: TVP’s of vertebrae
I: Base of SP above
brevis- 1 above
longus- 2 above
multifidus
O: sacrum, mamillary processes of L5 - T12, TVP’s of all thoracic vertebrae , articular processes of C7- C4
I: SP’s of L5-C2 (2-4 vertebrae above their respective origin)
semispinalis thoracis
O: TVP’s of the lower 6 thoracic vertebrae (T7-T12) (complete anatomy shows slightly different)
I: SP’s of T4-C6
semispinalis cervicis
O: TVP’s of the upper 6 thoracic vertebrae
I: SP’s of C2-C5
semispinalis capitis
O: TVP’s of T6-C7 and the articular processes of C6-C4
I: occipital bone- b/w SUP and INF nuchal lines
