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You have two intermediate back muscles: Serratus posterior superior: The muscle in the space between your shoulder blades (the shoulder girdle). It’s under your rhomboid muscles. Serratus posterior inferior: The muscle at the bottom of your ribcage. It’s under your lats. Intrinsic back muscles
19 Οκτ 2022 · The posterior muscles of the trunk support arm and back movements. They also protect the spinal column. Muscles are often named based on their functions such as extensor, flexor, adductor, abductor.
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
Whilst the superficial muscles of the back allow movements at the shoulder, the intermediate muscles of the back work to elevate and depress the rib cage. There are two major muscles within this category – the serratus posterior superior and the serratus posterior inferior.
Your back muscles extend from the bones of your neck (cervical vertebrae) to your lower back (lumbar spine) and then to the base of your lumbar spine (sacrum) and tailbone (coccyx). Some of these muscles are quite large and cover broad areas, e.g. large areas of the trunk.
16 Σεπ 2024 · The major muscles in your upper back are the trapezius, rhomboids, levator scapulae, and latissimus dorsi. The latissimus dorsi extend into the lower back, which also includes the multifidus, quadratus lumborum, and erector spinae muscles.
15 Ιαν 2024 · The layers of the back comprise the skin, subcutaneous tissue, superficial (extrinsic) and deep (intrinsic) back muscles, the posterior portion of the ribs, and the vertebral column housing the spinal cord and surrounding meninges.
