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3 Νοε 2023 · Muscles of the back act upon these joints producing the movements of the spine. The movements of the spine are flexion, extension, lateral flexion (sidebending) and rotation. Ligaments of the vertebral column support its joints and stabilize them during spinal movements.
The muscles of the back can be arranged into 3 categories based on their location: superficial back muscles, intermediate back muscles and intrinsic back muscles.
12 Ιουλ 2023 · There are numerous muscles involved in spine function, but we will focus on the key muscle groups: Erector Spinae: The erector spinae muscles are a group of muscles that run along the length of the spine. They consist of three main parts: the iliocostalis, longissimus, and spinalis muscles.
3 Νοε 2023 · The transversospinal muscles gather three groups of back muscles: The semispinalis muscle, which is topographically divided into the semispinalis capitis, semispinalis cervicis and semispinalis thoracis. They span between the transverse and spinous processes of the regional vertebrae.
5 Δεκ 2023 · Sacrum (the base of the spine): This bone carries all the weight of the body and is the site for many muscles and ligaments to attach to in the hip and pelvic region of the body. Coccyx (the tailbone): This tiny triangular-shaped bone consists of four to five fused (joined together) vertebrae.
What are the three groups of back muscles? Healthcare providers divide your back muscles into three groups or layers: Superficial (extrinsic) back muscles. Intermediate back muscles. Intrinsic (deep) back muscles. Superficial back muscles. Superficial back muscles are the ones closest to the surface just under your skin. They help you move your ...
14 Αυγ 2023 · Structure and Function. The two muscles in the superficial layer include the splenius cervicis and splenius capitis. They help with movements of the shoulder and neck. [1] The intermediate muscles are the erector spinae. They include the longissimus, iliocostalis, and spinalis muscles.
