Muscles of the Back-Origin/Insertion Flashcards Preview

Anatomy > Muscles of the Back-Origin/Insertion > Flashcards

Flashcards in Muscles of the Back-Origin/Insertion Deck (17):
1

Trapezius

O: occiput, nuchal ligament, spinous processes of thoracic vertebrae
I: scapular spine, acromion

2

Latissimus Dorsi

O: spinous processes of T7-L3
I: intertubercular groove of humerous

3

Rhomboideous major/minor

O: upper thoracic spinous processes
I: vertebral border of scapula

4

levator scapulae

O: transverse processes of C1-4
I: vertebral border of scapula between superior angle and base of scapular spine

5

serratus posterior superior

O: lower end of ligamentum nuchae, spinous processes of C7-T2 or 3
I: ribs 2-5, lateral to angles of ribs

6

serratus posterior inferior

O: spinous processes of T10 or 11-12
I: lower 3 or 4 ribs, lateral to angle of ribs

7

serratus anterior

O: ribs 1-8 or 9
I: vertebral border of scapula

8

splenius capitis

O: caudal half of ligamentum nuchae and spinous processes of C7-T3/4
I: mastoid process and occipital bone just inferior to lateral 1/3 of superior nuchal line

9

splenius cervicis

O: narrow tendinous band from spinous processes of T3-T6
I: posterior tubercles of transverse processes of upper 2-3 cervical vertebrae

10

spinalis capitis

O: lower part of ligamentum nuchae and spinous processes of C7-T2
I: base of occiput between superior and inferior nuchal lines

11

spinalis cervicis

O: lower part of ligamentum nuchae and spinous processes of C7-T2
I: spinous processes of C2-C3 (sometimes C4)

12

spinalis thoracis

O: spinous processes
I: spinous process of upper 4-8 thoracic vertebrae

13

longissimus cervicis

O: transverse processes of upper 4-6 thoracic vertebrae, medial to insertion of longissimus thoracis
I: transverse processes of 2nd-6th cervical vertebrae

14

longissimus thoracis

O: thoracolumbar fascia and accessory processes of lumbar vertebrae
I: transverse processes of lower 9 thoracic vertebrae and lower 9 ribs

15

iliocostalis cervicis

O: upper 6 ribs medial to insertion of iliocostalis thoracis
I: transverse processes of C4,5,6

16

iliocostalis thoracis

O: upper borders of lower 6 ribs, medial to insertions of iliocostalis lumborum
I: upper 6 ribs and sometimes transverse process of C7

17

iliocostalis lumborum

O: thoracolumbar fascia
I: lower borders of the lower 6-7 ribs near angles