Nov 6, 2025 · The superficial and intermediate muscles do not develop in the back, and are classified as extrinsic muscles. This article is about the anatomy of the deep (intrinsic) back muscles – their …

Mar 16, 2019 · This article covers the anatomy of the deep muscles of the back, including their function, blood supply, innervation, origin and insertion.

Aug 11, 2025 · This detailed anatomical image highlights the deep muscles of the back and deep spinal muscles, offering a clear view of their arrangement and function in the neck, shoulders, and vertebral …

Oct 30, 2023 · The deep back muscles, also called intrinsic or true back muscles, consist of four layers of muscles: superficial, intermediate, deep and deepest layers. These muscles lie on each side of the …

Deep Back Muscles (Division, Origin, Insertion, Function) Taim Talks Med 297K subscribers Subscribed

These muscles can be subdivided into four layers - superficial, intermediate, deep (transversospinales) and deepest. Each layer contains specific muscles listed below.

Jan 16, 2025 · The intrinsic back muscles, also known as the deep back muscles, are located deeper within the back and are responsible for maintaining posture and controlling fine movements of the …

While it is difficult to count the exact number, the human back muscles can be divided into 3 groups or layers based on their location and functions in the region — (1) superficial or extrinsic, (2) …

Study the muscles of the back including the superficial, intermediate and deep layers. Learn attachments, actions and nerve supply relevant to clinical practice.

Let’s take a quick break and try to identify all the extrinsic back muscles. Now, the intrinsic back muscles - also sometimes called the deep back muscles - are actually innervated by the posterior rami of …