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3 lis 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 lis 2023 · The muscles of the back are a group of strong, paired muscles that lie on the posterior aspect of the trunk. They provide movements of the spine , stability to the trunk, as well as the coordination between the movements of the limbs and trunk.
15 sty 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.
24 sty 2018 · Important muscles of the lumbar spine include: Multifidus: This long muscle travels nearly the entire length of the back. It stabilizes and rotates the lumbar spine.
2 paź 2024 · A schematic view of the muscles of the back representing the multifidus muscles of the neck, chest and lower back and the rotator muscles of the neck, chest and loin. The short elevator muscles of the ribs and long elevator muscles of the ribs as well as the quadratus lumborum.
Image. erector spinae. iliac crest, sacrum, transverse and spinous processes of vertebrae and supraspinal ligament. angles of the ribs, transverse and spinous processes of vertebrae, posterior aspect of the skull. extends and laterally bends the trunk, neck and head. segmentally innervated by dorsal primary rami of spinal nerves C1-S5.
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).
