Transversospinales consists of a group of muscles in the back ("across the spine"). The muscles include: Semispinalis group: 4-6 vertebrae semispinalis thoracis semispinalis cervicis semispinalis capitis Multifidus: 2-4 vertebrae Rotatores group: 1-2 vertebrae rotatores cervicis rotatores thoracis rotatores lumborum Interspinales: 1 vertebrae Intertransversarii: [...]