The Intrinsic Back Muscles - Attachments - Actions - TeachMeAnatomy

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 Intrinsic Back Muscles Diagram

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Anatomy of the Back Musculature: Descriptions of Key Muscles Involved in Spinal Movement and Respiration, PDF, Vertebra

Sternocleidomastiod Muscle

The Intrinsic Back Muscles - Attachments - Actions - TeachMeAnatomy, PDF, Vertebra

Back Muscles - Physiopedia

The Intrinsic Back Muscles - Attachments - Actions - TeachMeAnatomy

Superficial Muscles of The Back, PDF, Vertebra

Back Muscles: Anatomy & Groups

Muscles of the Lumbar Spine of the Trunk