Not known Factual Statements About Effect of Angle and Hand Position During Roman Chair ExerciseThe erector spinae () or spinal erectors is a set of muscles that correct and turn the back. Structure [modify] The erector spinae is not just one muscle, but a group of muscles and tendons which run more or less the length of the spinal column left wing and the right, from the sacrum, or sacral region, and hips to the base of the skull.These muscles push either side of the spinous processes of the vertebrae and extend throughout the lumbar, thoracic, and cervical regions. The erector spinae is covered in the lumbar and thoracic regions by the thoracolumbar fascia, and in the cervical region by the nuchal ligament. This big muscular and tendinous mass differs in size and structure at various parts of the vertebral column.Muscular System Muscles are responsible for all typesThe Ultimate Guide To Low Back Stability: From Formal Description to Issues for PeIn the back region, it is larger, and forms a thick fleshy mass. Even more up, it is partitioned into 3 columns. They gradually reduce in size as they ascend to be inserted into the vertebrae and ribs. This Site is connected to the medial crest of the sacrum (a slightly raised function of the sacrum more detailed towards the midline of the body instead of the "lateral" crest which is even more far from the midline of the body), to the spinous processes of the lumbar, and the eleventh and twelfth thoracic vertebrae and the supraspinous ligament, to the back part of the inner lip of the iliac crests (the top border of the hips), and to the lateral crests of the sacrum, where it blends with the sacrotuberous and posterior sacroiliac ligaments.Overcoming Chronic Neck Pain: Postural Causes and A Unique Exercise Fix -Posture TypesBack Extensor Release TechniquesThe muscular fibers form a large fleshy mass that splits, in the upper lumbar region, into 3 columns, viz., a lateral (iliocostalis), an intermediate (longissimus), and a median (spinalis). Each of these includes three parts, inferior to remarkable, as follows: Iliocostalis [modify] The iliocostalis originates from the sacrum, erector spinae aponeurosis, and iliac crest.Some Of Erector spinae muscles - WikipediaIt has 3 parts with different origin and insertion: longissimus thoracis stems from the sacrum, spinous procedures of the back vertebrae, and transverse procedure of the last thoracic vertebra and inserts in the transverse processes of the back vertebrae, erector spinae aponeurosis, ribs, and costal procedures of the thoracic vertebrae.