- April 28, 2026The semispinalis thoracis spans five or more vertebral levels from the mid-thoracic transverse processes to the lower cervical and upper…
- April 28, 2026The thoracic iliocostalis runs rib-to-rib in the thoracic region, extending and stabilising the thoracic spine while also stabilising the rib…
- April 28, 2026The longissimus thoracis is the largest component of the erector spinae and the primary extensor of the thoracic and lumbar…
- April 28, 2026The spinalis is the most medial column of the erector spinae, running from spinous process to spinous process and providing…
- April 28, 2026The rotatores are the deepest and shortest muscles of the transversospinalis group, spanning only one or two vertebral levels and…
- April 28, 2026The intertransversarii connect adjacent transverse processes throughout the cervical and lumbar spine, acting as intersegmental lateral flexors and — more…
- April 28, 2026The iliocostalis is the most lateral column of the erector spinae group, spanning the full length of the back from…
- April 28, 2026The longissimus is the largest and most central column of the erector spinae, spanning the full length of the back…
- April 28, 2026The multifidus is the most important deep stabilising muscle of the spine, spanning 2 to 4 vertebral levels from origin…