Landmarks on the Sacrum | |||
93 | 1 | sSIJ-CranL | Junction of cranial limit of sacro-iliac joint and iliac crest. |
94 | 1 | sSIJ-BrimL | Junction of the auricular surface and the pelvic brim, left side. |
95 | 1 | sSIJ-CaudL | Caudal limit of auricular surface. |
96 | 1 | sSIJ-CranR | Opposite Junction of cranial limit of sacro-iliac joint and iliac crest. |
97 | 1 | sSIJ-BrimR | Junction of the auricular surface and the pelvic brim, right side. |
98 | 1 | sSIJ-CaudR | Opposite caudal limit of auricular surface. |
99 | 1 | sVertProm | Sacral promontory in the plane of the pelvic inlet. Most cranio-ventral point on the sacral body. |
100 | 1 | sVertDors | Most dorsal point on the sacral body. |
101 | 1 | sVertLatR | Most lateral point on sacral vertebral joint right. |
102 | 1 | sVertLatL | Most lateral point on sacral vertebral joint left. |
103 | 1 | sSacTip | Most caudo-ventral tip of the sacrum. |
104 | 1 | sCoxTip | Most caudal tip of the coccyx. |
105 | 3 | oPirif-SACR | Ventral surface of the right side sacrum between second and third foramen midway between midline of foramen and lateral border. |
106 | 1 | oGluMaxInfR | Right infero-lateral angle, marking corner of sacrum (origin of coccygeus) where medial border of sacrum begins to taper towards the coccyx (origin of Gluteus Maximus inferior fibers). |
107 | 1 | oGluMaxInfL | Left infero-lateral angle, marking corner of sacrum (origin of coccygeus) where medial border of sacrum begins to taper towards the coccyx (origin of Gluteus Maximus inferior fibers). |
108 | 3 | oPirif-SACL | Ventral surface of the left side sacrum between second and third foramen midway between midline of foramen and lateral border (first sacral foramen is most cranial) (origin of Piriformis). |