Anatomy Back Muscles - attachments, innervation and vasculature
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| Trapezius | T12 up to superior nuchal line and around to hit the clavical; Accessory Nerve (CN11); transverse cervical artery
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| Latissimus Dorsi | medial lip of bicipital groove of humerus to spinous processes from T7 through the Sacrum; thoracodorsal nerve; thoracodorsal artery
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| Levator Scapulae | from the transverse processes of C1 to C4 to the superior angle of the scapula; Dorsal Scapular Nerve; Dorsal Scapular Artery
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| Rhomboid Minor | From the spinal process of C7 and T1 to medial scapular border; dorsal scapular nerve/atery
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| Rhomboid Major | T2 to T5 to medial scapular border; dorsal scapular nerve/artery
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| Serratus Posterior Superior | C7 through T3 to Ribs 2 through five; intercostal nerve; anterior intercostal artery
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| Serratus Posterior Inferior | T11 through L3 to Ribs 9 through 12; intercostal nerve; anterior intercostal artery
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| Spinotransversales Muscles | Splenius Capitis/Cervicis
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| Splenus Capitis | Spinous processes of thoracocervical region to mastoid process and skull
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| Splenius Cervicis | Spinous processes in thoracic regions to transverse process of the first few cervicle vertebra
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| Errector Spinae Muscles | Iliocostalis, longissimus, spinalis; span 6 - 10 vertebrae
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| Iliocostalis | lumborum, thoracis, cervicis; from sacrum/illium to the angles of the ribs (to rib 2) to transverse process C4
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| Longissimus | thoracis, cervicis, capitis; from sacrum to the mastoid process; connects the transverse processes
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| Spinalis | thoracis, cervicis, capitis; connects the spinous processes together
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| Transversospinales Muscles | Semispinalis, multifidus, rotatores; from transverse process of one to spinous process of another above
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| Semispinalis | thoracis, cervicis, capitis (thickest muscle in neck); from thoracis region to occipital bone; skip 4-6 vertebrae at a time
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| Multifidus | Span 2-4 vertebrae
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| Rotatores | Span 1-2 vertebrae
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| Segmental Muscles | Levatores Costarum; Interspinales; Transversarii
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| Levatores Costarum | From transverse process to tubercle of rib below from C7 to T11
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| Interspinales | Pass between spinous processes
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| Intertransversarii | between transverse processes
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| Suboccipital Muscles | Rectus Capitis Posterior Major; Rectus Capitis Posterior Minor; Obliquus Capitis Superior; Obliquus Capitis Inferior
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| Rectus Capitis Posterior Major | From C2 to below the inferior Nuchal Line (lateral)
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| Rectus Capitis Posterior Minor | From C1 to below the inferior Nuchal Line (medial)
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| Obliquus Capitis Superior | From the transverse process of C1 to between the Nuchal Lines
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| Obliquus Capitis Inferior | From the spinous process of C2 to the transverse process of C1
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| Innervation of deep back muscles | dorsal rami of spinal nerves
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| blood supply of deep back | dormsal branch of intercostal arteries
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| what's in the suboccipital triangle | vertebral artery and the suboccipital nerve (aka dorsal ramus of C1)
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| Greater Occipital nerve | dorsal ramus of C2
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| Thoracolumbar Fascia | serves as an attachment point and compartmentalization
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