Semispinalis cervicis

Definition

The semispinalis cervicis is a muscle located in the back of the neck, part of the deeper layer of muscles that extends from the thoracic vertebrae to the cervical vertebrae, aiding in extending and rotating the head and neck. It works alongside other muscles to maintain posture and facilitate head movements.

Related terms

Axial Muscles:

These are muscles that position the head and vertebral column and move the rib cage, essentially supporting movement and posture of the body's core.

Cervical Vertebrae:

The seven bones forming the upper part of the spinal column that support the neck and head.

Muscle Extension: A movement increasing the angle between body parts at a joint; when referring to the neck, it involves moving the head backward