- May 2, 2026The intertransversarii connect adjacent transverse processes throughout the cervical and lumbar spine, acting as intersegmental lateral flexors and — more…
- May 2, 2026The iliocostalis is the most lateral column of the erector spinae group, spanning the full length of the back from…
- May 2, 2026The longissimus is the largest and most central column of the erector spinae, spanning the full length of the back…
- May 2, 2026The quadratus lumborum is a rectangular muscle filling the space between the iliac crest and the 12th rib on each…
- May 2, 2026The multifidus is the most important deep stabilising muscle of the spine, spanning 2 to 4 vertebral levels from origin…
- May 2, 2026The erector spinae is not a single muscle but a column of three parallel muscle groups, iliocostalis, longissimus, and spinalis,…