erector spinae muscles

e·rec·tor spi·nae mus·cles

, erector muscle of spine (ĕ-rek'tŏr spī'nē mŭs'ĕlz, mŭs'ĕl spīn) Origin, from sacrum, ilium, and spines of lumbar vertebrae; it divides into three columns, iliocostalis muscle, longissimus muscle, and spinalis muscle, 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(s): musculus erector spinae [TA] .

单词	erector spinae muscles
释义	erector spinae muscles e·rec·tor spi·nae mus·cles , erector muscle of spine (ĕ-rek'tŏr spī'nē mŭs'ĕlz, mŭs'ĕl spīn) Origin, from sacrum, ilium, and spines of lumbar vertebrae; it divides into three columns, iliocostalis muscle, longissimus muscle, and spinalis muscle, 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(s): musculus erector spinae [TA] .
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