See Also: erector spinae muscles(medicine)
musculus erector spinae(medicine)
erector muscles of hairs(medicine)
spinae palatinae(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
musculus multifidus spinae(medicine)
Erector Set(dictionary)
erector(medicine)
erector(dictionary)
erector-spinal reflex(medicine)

erector spinae muscles (medicine)


erector spinae muscles
Origin, from sacrum, ilium, and spines of lumbar vertebrae; it divides into three columns, iliocostalis musculus, longissimus musculus, and spinalis musculus, which insert into ribs and vertebrae with additional muscle slips joining the columns at successively higher levels; action, extends vertebral column; nerve supply, dorsal primary rami of spinal nerves.

Synonym: musculus erector spinae, erector muscle of spine, musculus sacrospinalis.