Posterior scalene

Definition

The posterior scalene is a muscle located at the lateral aspect of the neck, extending from the cervical vertebrae to the second rib. It plays a crucial role in the process of respiration by elevating the second rib and assisting in neck flexion and lateral bending.

Related terms

Cervical Vertebrae:

These are seven bones that form the upper part of the spinal column, providing support and mobility to the head.

Lateral Bending: This is a movement where the torso or neck bends to one side, which is facilitated by various muscles including scalenes.

Respiration:

The physiological process involving inhalation and exhalation of air for gas exchange between an organism's environment and its respiratory system