Longissimus Cervicis Muscle, Lateral View

Description

Seen from the lateral neck and upper shoulder, the longissimus cervicis is positioned posterior to the cervical transverse processes and deep to the more superficial posterior cervical musculature, running as an elongated column within the erector spinae group. Its fibers course superiorly from upper thoracic transverse processes toward the posterior tubercles of the mid cervical vertebrae, lying medial to the levator scapulae and posterior to the scalene compartment. Anteriorly, the anterior scalene is highlighted, descending from cervical transverse processes to the first rib, with the sternocleidomastoid expected to overlie the scalene region more superficially. Clean layering matters. For teaching, this lateral arrangement clarifies the functional split between posterior extensors and lateral flexors of the cervical spine (longissimus cervicis) and the anterolateral rib elevator and neck flexor (anterior scalene). Clinically, the anterior scalene forms the anterior boundary of the interscalene triangle, where the brachial plexus trunks and subclavian artery traverse and may be irritated in thoracic outlet syndrome, while posterior cervical pain syndromes often relate to overuse and trigger points in the erector spinae complex, including longissimus cervicis. Palpation and injection planning depend on appreciating which structures sit anterior versus posterior in the lateral neck. Ideal for gross anatomy, kinesiology, and physical therapy curricula covering cervical muscle compartments, this artwork also supports surgical and anesthesia education when explaining interscalene block landmarks and the relationship of scalene muscles to deeper neurovascular structures. Medical publishers can pair it with text on thoracic outlet syndrome, whiplash-associated disorders, and posterior cervical myofascial pain. Anatomical accuracy verified by SciePro's Medical Advisory Board.