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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.
3 Νοε 2023 · The superficial back muscles include the trapezius, latissimus dorsi, levator scapulae, rhomboids and serratus posterior muscles. Let us introduce you to each of these muscles presented in our diagram.
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).
24 Ιουλ 2024 · Think of these four upper back muscles — the supraspinatus, infraspinatus, teres minor, and subscapularis — as critical infrastructure.
The large muscles of the upper back, also known as traps – are shaped like trapezoids or diamonds. They move the shoulder blades ( scapulae ). The trapezoid attaches to the occipital bone of the skull, the outer portion of the clavicle, and the acromion process of the scapula.
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.
