Splenius muscles

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The splenius muscles

The splenius muscles are:

Their origins are in the upper thoracic and lower cervical spinous processes. Their actions are to extend and ipsilaterally rotate the head and neck.

splenius	capitis cervicis

erector spinae	iliocostalis longissimus spinalis latissimus dorsi

transversospinales:	semispinalis dorsi semispinalis cervicis semispinalis capitis multifidus rotatores interspinales intertransversarii

vertebral column:	trapezius latissimus dorsi rhomboid major minor levator scapulae

fascia:	thoracolumbar fascia

intercostales external internal innermost subcostalis transversus thoracis levatores costarum serratus posterior inferior superior thoracic diaphragm

thoracic cavity:	pectoralis major pectoralis minor subclavius serratus anterior

fascia:	pectoral fascia clavipectoral fascia

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noco (m, s, c)/cong (d)/tumr, sysi/epon, injr

proc, drug (M1A/3)

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