Erector Spinae Muscle Group Anatomy

The Erector Spinae Muscle Group: Iliocostalis cervicis, iliocostalis thoracis, & iliocostalis lumborum. Longissimus capitus, longissimus cervicis, & longissimus thoracis. Spinalis capitus, spinalis cervicis, & spinalis thoracis. Describes origin, insertion, innervation, blood supply, and action. For educational purposes only.