what direction do the erector spinae muscles run
Email Address *. 891 erector-spinae-stretch 2014-10-22 Erector Spinae The Erector Spinae muscles run all the way up each side of the spine from the base of the sacrum to a portion of the muscles attaching at the base on each side of the skull.The fibres are divided further into three sets; Iliocostalis, longissimus & spinalis.rector Spinae Stretch. Erector Spinae. The Erector Spinae muscles run all the way up each side of the spine from the base of the sacrum to a portion of the muscles attaching at the base on each side of the skull. The fibres are divided further into three sets; Iliocostalis, longissimus & spinalis.