Where is the coccygeal ligament located?
The superficial dorsal sacrococcygeal ligament (ligamentum sacrococcygeum posterius superficiale) originates on the free margin of the sacral hiatus to attach on the dorsal surface of the coccyx. It closes the posterior aspect of the most distal part of the sacral canal and corresponds to the ligamenta flava.
What tendons attach to the coccyx?
The anterior and posterior sacrococcygeal ligaments attach the sacrum to the coccyx (similar to the functions of the anterior and posterior longitudinal ligaments spanning cervical, thoracic, and lumbosacral spinal segments).
Can you tear a ligament in your tailbone?
Repetitive strain injury (RSI) This is due to continually leaning forward and stretching the base of your spine. If this motion is repeated many times, the muscles and ligaments around your coccyx can become strained and stretched. Straining your muscles and ligaments can permanently damage them.
What is the coccygeal ligament?
Caudal to the end of the dural sac is a specialization of meninges called the coccygeal ligament (or filum terminale externum) that attaches the meninges, and consequently the spinal cord, to the coccyx. The coccygeal ligament is composed of specializations of all three layers of meninges.
What does the Coccygeal nerve control?
The largest nerve in the sacral plexus is the sciatic nerve that innervates the thigh, lower leg, and the foot. The coccygeal plexus consists of the coccygeal nerve and the fifth sacral nerve, which innervate the skin in the coccygeal region, around the tailbone (called the coccyx).
What do the Denticulate ligaments do?
The denticulate ligaments are bilateral triangular lateral extensions of pia mater that anchor the spinal cord to the dura mater. They function to provide stability to the spinal cord within the vertebral canal 1-3.
What is the function of Coccygeal nerve?
The S5 roots and coccygeal nerves leave the sacral canal via the sacral hiatus. These nerves provide sensory and motor innervation to their respective dermatomes and myotomes. They also provide partial innervation to several pelvic organs, including the uterus, fallopian tubes, bladder, and prostate.