Anterior Scalene - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The anterior scalene is one of the scalene muscles of the neck. It is located deep to the sternocleidomastoid muscle on the lateral aspect of the neck. Attachments: Originates from the anterior tubercles of the transverse processes of C3-C6 and attaches onto the scalene tubercle (on the inner border of the first rib). Function: Elevation of the first rib. Ipsilateral contraction causes ipsilateral lateral flexion of the neck, and bilateral contraction causes anterior flexion of the neck. Innervation: Anterior rami of C5-C6. Blood Supply: Ascending cervical branch of inferior thyroid artery By TeachMeSeries Ltd (2025) Fig 1The anterior, middle and posterior scalene muscles of the neck Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Rate This Article