Trigger Point: Splenius Muscles
Please be sure to refer to What Are Trigger Points and How To Release Trigger Points when working on trigger points at home. As always, please consult with your primary care physician prior to any type of treatment. Splenius: Muscular Origins, Insertions, Actions, and Nerve Innervations The splenius muscles are located along the back of the neck down into the upper back. They can easily be palpated between the upper trapezius and sternocleidomastoid muscles. There are two main muscle bellies within the splenius group: splenius capitis and splenius cervicis. The splenius capitis muscle originates at the ligamentum nuchae and the spinous processes of vertebrae C-7 thru T-3 and inserts into the mastoid process and lateral nuchal line. Splenius cervicis originates from the spinous processes of vertebrae T-3 thru T-6 and inserts into the transverse processes of the upper cervical vertebrae. When contracted together, these muscles work to extend the head and neck. When contracte...