
Erector Spinae Muscle Group Origin, Insertion, Functions, & Diagram
Jan 10, 2024 · The erector spinae, also known as the sacrospinalis, is a group of muscles comprising the middle or intermediate layer of the intrinsic or deep back muscles. The name literally means …
Erector spinae muscles - Wikipedia
They are also known as the sacrospinalis group of muscles. These muscles lie on either side of the spinous processes of the vertebrae and extend throughout the lumbar, thoracic, and cervical regions.
Erector spinae: Attachments, innervation and function | Kenhub
Nov 3, 2023 · The erector spinae muscles comprise the intermediate layer of the deep (intrinsic) muscles of the back. They extend on either side of the vertebral column, between the base of the …
Erector Spinae - Physiopedia
These muscles are small when compared to the larger cervical muscle groups and have little force capacity. The unilateral contraction causes ipsilateral side flexion and rotation of the vertebral column …
Erector Spinae (Left) | Complete Anatomy - Elsevier
The erector spinae (sacrospinalis) muscles are the collective name for a group of muscles found in the intermediate layer of the intrinsic muscles of the back. Overall, the erector spinae muscles are …
SACROSPINALIS Definition & Meaning | Merriam-Webster Medical
Dec 7, 2025 · The meaning of SACROSPINALIS is a muscle that extends the length of the back and neck, that arises from the iliac crest, the sacrum, and the lumbar and two lower thoracic vertebrae, …
Erector spinae | muscles, vertebrae, back | Britannica
Erector spinae, a deep muscle of the back; it arises from a tendon attached to the crest along the centre of the sacrum (the part of the backbone at the level of the pelvis, formed of five vertebrae fused …
Erector spinae - e-Anatomy - IMAIOS
The erector spinae muscle is a large muscle group that runs longitudinally along the spine and is primarily responsible for extending and stabilizing the vertebral column.
Deep back muscles: Anatomy, innervation and functions | Kenhub
Oct 30, 2023 · This muscle group is the largest of the deep back muscles and lies on either side of the vertebral column between the spinous processes of the vertebrae and the angles of the ribs.
Understanding The Erector Spinae Muscles: Their Function And Anatomy
May 5, 2025 · The erector spinae muscles are a group of muscles that run down the spine, from the base of the skull to the pelvis. They are also known as the sacrospinalis group of muscles. The …