Table 1 Parameters defining ligament attachment points on the lumbar spine, including their cylindrical coordinates, and anatomical descriptions.
Ligament | Point name | Cylindrical coordinates (\(\phi ,\theta ,r\)) |
|---|---|---|
Anterior longitudinal (ALL) | Anterior longitudinal lower | (29.063, − 85, 18) |
Anterior longitudinal upper | (30, − 85, − 8) | |
Intertransverse (ITL) | Intertransverse left | (35, 30, − 1) |
Intertransverse right | (35, 156, − 1) | |
Capsular (CL) | Capsular lower left | (25, 128.63, 16) |
Capsular lower right | (18, 61, 21) | |
Capsular upper left | (− 4, 30, − 28) | |
Capsular upper right | (− 4, 140, − 27) | |
Supraspinal (SSL) | Supraspinal and interspinous ligament | (25, 90.7, − 30) |
Posterior longitudinal (PLL) | Posterior longitudinal ligament | Closest N points to vertebral center |
Ligamentum flavum (LF) | Ligamentum flavum | Midpoints between vertebrae centers |
