41. The main function of the ligament is to prevent rotation of the ilium past the sacrum . 42. Those structures within a few centimeters of the sacroiliac joint include the sacrum , large intestine. 43. These nerves travel along the uterosacral ligaments, which pass from the uterus to the anterior sacrum . 44. Kundalini is said to reside in the triangular shaped sacrum bone in three and a half coils. 45. If you count the coccyx and sacrum each as one vertebra, then there are 26 vertebrae. 46. It was treated with the application of a strong electric current between the sacrum and the pubis. 47. The sacral canal as a continuation of the vertebral canal runs throughout the greater part of the sacrum . 48. The spines of the five vertebrae of the sacrum form a supraneural plate, fused at the top. 49. These are two symmetrical indentations on the posterior aspect of the sacrum which also contain a venous channel. 50. The sacrum , with 15 or 16 vertebrae, has at least 3 more vertebrae than other hadrosaurids.