external image Splenius_cervicis_muscle_back.png

Origin: Spinous processes and supraspinous ligaments of the third through sixth thoracic vertebrae

Insertion: Posterior tubercles of transverse processes of the first through third cervical vertebra

Action: Extension of the cervical spine,Lateral flexion of the cervical spine, Rotation of the cervical spine

Strengthening: Neck Situps

Rehab: Stretching (tilting head/neck to one side and pulling it down with hand)

Fun Fact: Muscle is often overstretched and weakened due to poor posture