The sacrococcygeal joint
The sacrococcygeal joint , articulalio sacrococcygea. Is formed by the bodies of the V sacral and 1 coccygeal vertebrae, connected by a modified intervertebral disc with an enlarged cavity.
This joint is strengthened by the following ligaments:
1. Lateral sacrococcygeal ligament, lig. Sacrococcygeum laterale, is stretched between the transverse processes of the last sacral and I coccygeal calls and is a continuation of the lig. Intertransversarium.
2. Anterior sacrococcyelid ligament, lig. Sacrococcygeum anterius (ventrale). Is a continuation of lig. Longitudinale anterius. It consists of two beams, located on the front surface of the sacrococcygeal joint. In the course, closer to the end of the coccyx, the fibers of these bundles cross.
3. Superficial posterior sacrococcygeal ligament, lig. Sacrococcygeum posterius superficiale (dorsale), stretches between the back of the coccyx and the side walls of the entrance to the sacral canal, covering its slit. It corresponds to the yellow and supraspinous ligament of the vertebral column.
4. The deep posterior sacrococcygeal ligament, lig.sacrococcygeum posterius (dorsale) profundum, is a continuation of the lig. Longitudinalis postenoris.
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