Trapezius
Superficial
Origin: Superior nuchal line, spines of C7-T12
Insertion: Acromion, spine of scapula
Function: Elevate, retract, depress scapula. Rotate superiorly the glenoid fossa
Nerve: spinal accessory n. XI (Note: NOT part of ventral rami) 
Blood: superficial branch of transverse cervical a.

Latissimus dorsi
Superficial
Origin: Spines of T7-T12, thoracolumbar fascia, iliac crest
Insertion: intertubercular groove of humeru
sFunction: extends, abducts, rotates humerus (e.g. climbing/swimming)
N: thoracodorsal n. (branch from brachial plexus from ventral rami)
Blood: thoracodorsal a.

Levator scapulae
Superficial
Origin: Transverse processes C1-C4
Insert: superior angle and medial border of scapula
Funct: elevate scapula and inferior rotation of glenoid fossa 
N: dorsal scapular n.
Blood: deep branch of transverse cervical a.

Rhomboid minor
Superficial
Origin: nuchal lig. and spines of C7-T1
Ins: medial border of scapula @ root of spine of scapulaFunct: retract scapula, inferior rotation ofglenoid fossa
N: dorsal scapular n.
A: deep branch of transverse cervical a.

Rhomboid Major
Superficial
Origin: Spines T2-T5
Insert: medial border inferior to root of spine of scapulaFunct: retract scapula and inferior rotation of glenoid fossa
N: dorsal scapular n.
Blood: deep branch of transverse cervical a.

Serratus posterior superior
Intermediate
O: nuchal lig, spines C7-T3
I: ribs 2-4
Funct: elevate ribs
n: ventral rami of spinal nerve (intercostal n.)

Serratus posterior inferior
Intermediate
O: Spines T11-L2
I: Ribs 8-12
Funct: depress ribs
N: ventral rami of spinal n (intercostal n.)

Splenius capitus
Deep: Superficial - spinotransversales
O: nuchal lig, spines C7-T4
I: mastoid prs. and superior nuchal line
Funct: extend head, rotate head
n: dorsal rami of spinal nerve

Splenius cervicus
Deep: Superficial - spinotransversales
O: Spines T3-T6
I: Transverse prs. C1-C3
Funct: extend neck, rotate head
n: dorsal rami of spinal nerve

Erector spinae - iliocostalis, longissimus, spinalis
Intermediate group
O: tendon from iliac crest, sacrum and lumbar spines 
I: ribs, tranverse prs., spinous prs., head
Funmct: extend spine and head
N: dorsal rami

Transversospinalis - semispinalis, multifidus, rotatores
Deep: Deep
O: transverse prs. of vertebrae
I: spines of superior vertebrae (run superiorly, semi - 4-6 segments, mult 2-4 segments, rot 1-2 segments)
Funct: extend head and vertebral column, rotate trunk, and stabilize vertebral column
N - dorsal rami

Interspinales
Deep: Deep ("between spines")
O: spines of vertebrae
I: spines of adjacent vertebrae
Funct: stabilize and extend vertebral column
N: dorsal rami

Intertransversarii
Deep: Deep ("between transverse prs")
O: transverse prs.
I: vertically adjacent transverse prs.
Funct: stabilize vertically, lateral flexion
N: dorsal rami

Levatores costarum
Deep: Deep ("elevate rib")
O: transverse prs. C7-T11
I: subjacent ribs
Funct: elevate ribs
N: dorsal rami

Rectus capitus posterior minor
Deep: Suboccipital
O: posterior tubercle C1
I: medial inferior nuchal line
Funct: Posture

Rectus capitus posterior mjaor
Deep: Suboccipital
O: Spine C2
I: lateral part of inferior nuchal line
Funct: posture

Obliquus Capitus inferior
Deep: Suboccipital
O: Spine C2
I: Transverse prs. C1
Funct: posture