1Trapezius origin
occipital protuberance
ligamentum nuchae
Spinous processes of C7-T12
2Trapezius Insertion
Upper fibers - lateral clavicle
Middle fibers - spine of scapula
lower fibers - root of spine of scapula
3trapezius action
upper fibers - elevation of scapula, upward rotation of scapula
middle fibers - retraction of scapula
lower fibers - depression of scapula, upward roation of scapula
4trapezius nerve supply
spinal accessory nerve (cranial nerve XI)
5rhomboid minor origin
spinous processes of C7-T1
6rhomboid minor insertion
root of spine of scapula
7rhomboid minor action
retraction of scapula
downward rotation of scapula
8rhomboid minor nerve supply
dorsal scapular nerve
9rhomboid major origin
spinous processes of T2-T5
10rhomboid major insertion
vertebral border of scapula inferior to root of spine
11rhomboid major action
retraction of scapula
downward rotation of scapula
12rhomboid major nerve supply
dorsal scapular nerve
13levator scapulae origin
transverse process of C1-C4
14levator scapulae insertion
vertebral border of scapula superior to root of spine
15levator scapulae action
elevation of scapula
downward rotation of scapula
16levator scapulae nerve supply
dorsal scapular nerve
17latissimus dorsi origin
spinous process of T7-T12
lower ribs
thoracolumbar aponeurosis
iliac crest
18latissimus dorsi insertion
bicipital groove of humerus
19latissimus dorsi action
extension of shoulder
internal rotation of shoulder
adduction of shoulder
20latissimus dorsi nerve supply
thoracodorsal nerve
21serratus posterior superior origin
ligamentum nuchae
spinous processes of C7-T3
22serratus posterior superior insertion
superior border of ribs 2-4
23serratus posterior superior action
elevates ribs
24serratus posterior superior nerve supply
intercostal nerves T1-T4
25serratus posterior inferior origin
spinous processes of T11-L2
26serratus posterior inferior insertion
inferior border of ribs 9-12
27serratus posterior inferior action
depresses ribs
28serratus posterior inferior nerve supply
intercostal nerves T9-T12
29iliocostalis origin
posterior ribs
thoracolumbar aponeurosis
iliac crest
sacrum
30iliocostalis insertion
transverse processes of cervical vertebrae
posterior ribs
31iliocostalis action
extension of vertebral column
lateral flexion of vertebral column
32iliocostalis nerve supply
posterior rami of spinal nerves
33Longissimus origin
transverse processes of cervical and thoracic vertebrae
thoracolumbar aponeurosis
iliac crest
sacrum
34Longissimus insertion
mastoid process
transverse processes of cervical and thoracic vertebrae
35Longissimus action
extension of vertebral column
lateral flexion of vertebral column
36Longissimus nerve supply
posterior rami of spinal nerves
37Spinalis origin
ligamentum nuchae
spinous processes of cervical, thoracic, and lumbar vertebrae
38Spinalis insertion
occipital bone
spinous processes of cervical and thoracic vertebrae
39Spinalis action
extension of vertebral column
lateral flexion of vertebral column
40Spinalis nerve supply
posterior rami of spinal nerves
41rectus capitus posterior major origin
spinous process of axis
42rectus capitus posterior major insertion
occipital bone
43rectus capitus posterior major action
extension of atlanto-occipital joint
ipsilateral rotation at the antlanto-axial joint
44rectus capitus posterior major nerve supply
posterior ramus of spinal nerve C1
45rectus capitus posterior minor origin
posterior tubercle of atlas
46rectus capitus posterior minor insertion
occipital bone
47rectus capitus posterior minor action
extension of atlanto-occipital joint
48rectus capitus posterior minor nerve supply
posterior ramus of spinal nerve C1
49obliquus capitus superior origin
transverse process of atlas
50obliquus capitus superior insertion
occipital bone
51obliquus capitus superior action
extension of atlanto-occipital joint
lateral flexion of atlanto-occipital joint
52obliquus capitus superior nerve supply
posterior ramus of spinal nerve C1
53obliquus capitus inferior origin
superior process of the axis
54obliquus capitus inferior insertion
transverse process of the atlas
55obliquus capitus inferior action
ispsilateral rotation of the atlanto-axial joint
56obliquus capitus inferior nerve supply
posterior ramus of spinal nerve C1
57Splenius Capitus origin
spinous process of the C7-T3
ligamentum nuchae
58Splenius Capitus insertion
occpital bone
mastoid process
59Splenius Capitus action
extension of head and neck
lateral flexion and rotation of head
60Splenius Capitus nerve supply
posterior ramus of spinal nerve C2-3
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