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The deep back muscles act together to provide support and maintain the body’s posture, as well as to produce movements of the head, neck, and trunk. The main functions of these muscles are flexion, extension, lateral flexion and axial rotation of the vertebral column.
The intrinsic (deep) muscles of the back can be further subdivided into their own superficial, intermediate and deep layers. These muscles collectively work to help movements of the vertebral column and to also control posture.
The intrinsic (deep) back muscles, which are also called true back muscles. They are located deep to the extrinsic muscles, being separated from them by the thoracolumbar fascia. Their primary function is to produce movements of the vertebral column. These muscles are divided into superficial, deep, and deepest layers. This article will ...
This article is about the anatomy of the deep (intrinsic) back muscles – their attachments, innervations and functions. The deep muscles of the back are well-developed, and collectively extend from the sacrum to the base of the skull.
Deep muscles of the back: attachments, innervation and functions (preview) - Human Anatomy | Kenhub. 0:00 / 3:32. The intrinsic back muscles are part of the trunk musculature. Watch the...
This article covers the anatomy of the deep muscles of the back, including their function, blood supply, innervation, origin and insertion.
Deep back muscles. Nerves and vessels. Arteries and veins. Nerves. Functions of the back. Sources. Related articles. + Show all. Bones. The vertebral column (spine) is the bony core of the back. It is formed by a chain of 33 interconnected vertebrae and their intervening joints. It forms the axial skeleton together with the skull and rib cage.
The three deep muscles of the back include the semispinalis, multifidus, and rotatores. These muscles stabilize the vertebral column and play a role in proprioception and balance. Moreover, these muscles help with the movements of the vertebral column and maintain posture. [2] As the muscles of the back develop, they extend caudally.
The deep muscles of the back are well-developed, and collectively extend from the sacrum to the base of the skull. They are associated with the movements of the vertebral column, and the control of posture. The muscles themselves are covered by deep fascia, which plays a key role in their organisation.
This video tutorial covers the deep back muscles including basic attachments, actions and innervation.Access my FREE Online Membership today → https://www.th...