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3 Νοε 2023 · It comprises the vertebral column (spine) and two compartments of back muscles; extrinsic and intrinsic. The back functions are many, such as to house and protect the spinal cord, hold the body and head upright, and adjust the movements of the upper and lower limbs.
3 Νοε 2023 · Key facts about the back muscles; Extrinsic/superficial back muscles: Immigrant muscles of the upper limb that lie superficially in the back. - Superficial layer: trapezius, latissimus dorsi, levator scapulae, rhomboid muscles - Intermediate layer: serratus posterior muscles
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.
Muscles make up a large part of the anatomy (structure) of the back. They start at the top of the neck and go down to the tailbone. Back pain is common and might be caused by a problem with a muscle. This article gives an overview of the back’s structure and its major muscles.
The superficial and intermediate muscle groups (or extrinsic muscles) are also called immigrant muscles, since they actually represent muscles of the upper limb that have migrated to the back during fetal development. The deep/intrinsic back muscles, are also called true back muscles.
Your back muscles work together to allow you to bend over, twist, turn your head and extend your back. They also help you breathe by expanding and contracting your chest when you breathe in (inhale) and out (exhale).
15 Φεβ 2023 · The back contains the spinal cord and spinal column, as well as three different muscle groups. Many conditions and injuries can affect the back. Learn more here.