What is the Sacrococcygeal Joint that is involved with Coccydynia Pain?
The sacrococcygeal joint is the joint in the tailbone formed between the sacrum and the coccyx. The coccyx is a small triangular shaped bone made up of 3-5 fused segments. Many ligaments attach to the coccyx helping to provide stability and support for the pelvis, its muscles and contents.
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Pain related to the Sacrococcygeal Joint – Coccydynia Pain
Pain relating to the coccyx and sacrococcygeal joint is known as coccydynia (pronounced cox-y-dynia). A sudden onset of coccygeal pain is usually associated with trauma, externally such as from a fall backwards onto the bone, or internally such as in childbirth. Onset can also be gradual, commonly related to sustained pressure from sitting or local muscle forces.
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Factors associated with an increased risk of developing coccydynia pain are:
- being overweight
- being female – women are 5 times more likely to develop the condition
- increased flexibility or mobility of the joint (hypermobility)
- reduced flexibility or stiffness of the joint (hypomobility)
- variants of coccyx shape
- pelvic floor muscle weakness or overactivity
- other general health factors (read more here): These must be ruled out.
Need Help? How Can A Hip Pain Professional Help?
Your Hip Pain Professional can reduce pain associated with coccydynia by ddressing factors such as:
- excessive weightbearing on the coccyx due to seating or habitual sitting postures (read more here)
- weakness, spasm or altered activity in the muscles that attach to the coccyx including the gluteus maximus (buttock) and pelvic floor muscles (see the soft tissue section)
- altered stress and strain on the structures that attach to the coccyx which may have occurred after trauma or as a gradual build up over time
- Providing or referring you for a pain-relieving injection into the area or in very rare cases, to a surgeon.
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