Last updated: 2026-09-30
The Tip of My Tailbone Twinges Sharply Every Time I Sit Down
If, after falling on your bottom or giving birth, you feel a sharp twinge at the very bottom of the center of your buttocks every time you sit in a chair, the pain is coming at the moment your weight bears down on your tailbone. The typical pattern of tailbone pain is pain in the midline just below the sacrum and above the anus that gets worse as you get up from sitting. Many people still feel discomfort weeks after falling on a slippery floor, or still find it hard to sit all the way back in a dining chair or car seat months after giving birth.
On examination, tailbone pain is clearly distinct from a vague discomfort deep in the buttocks. It flares up sharply when you lean your upper body back and pressure concentrates on the tip of the tailbone. Pressing directly on the tip of the tailbone confirms localized tenderness that reproduces exactly the sharp pain you usually feel when sitting (Foye Patrick M, 2017).
Tailbone pain is common in middle-aged women, whose pelvic structure leaves the tailbone relatively exposed and who have been through childbirth. However, it is not limited to one sex. It also commonly occurs in men and younger people as a result of falls or work environments that involve sitting for long periods (White William D et al., 2022).
Falls, Childbirth, and the Moment the Tailbone Bends
The tailbone (coccyx) is made up of three to five small bone segments attached beneath the sacrum, at the very bottom of the spine. There is considerable individual variation in its forward curvature and in the flexibility of its joint segments (Daily David et al., 2024). When you sit upright, body weight is spread evenly across both sitting bones (ischial tuberosities) and the area around the tailbone. But when you sit leaning back with your upper body reclined at an angle, a large share of your body weight shifts directly onto the tip of the tailbone.
Trauma, childbirth, and repeated loading are the main causes of tailbone pain (Blanco-Diaz Maria et al., 2025). When you fall onto your bottom on an icy road or in the bathroom, the tailbone strikes the hard floor, and the coccygeal segments bend inward or the ligaments connecting the surrounding joints are stretched. During vaginal delivery, the baby's head pushes the tailbone strongly backward as it passes through the narrow pelvic canal. As the coccygeal joint opens up or bends too far backward in this process, the joint capsule and surrounding soft tissue are severely damaged.
In fact, a study that analyzed the cases of 57 patients who visited a specialist clinic for postpartum tailbone pain found coccygeal dislocation or fracture in cases where pain continued after childbirth. The study also reported a significant association with instrument-assisted delivery using forceps or a vacuum extractor and with difficult labor (PMID 22820826). When a habit of sitting on a hard, uncushioned chair for more than eight hours a day is added to this, the tip of an already irritated tailbone takes repeated localized pressure every day. As differences in anatomical shape, sudden impact, and sustained mechanical load overlap in this way, the coccygeal joint becomes inflamed and the pain becomes chronic.
If the X-Ray Is Normal, What Does a Sitting-Position Exam Look For?
Quite a few people have an X-ray at an emergency room or a general hospital right after falling on their bottom, are told the bones show no abnormality, and still feel pain every time they sit. A neutral lateral X-ray is usually taken in a standing position, so no body weight is placed on the tailbone. This is why it has a limitation: it cannot show the change in tailbone position that occurs when you sit (Skalski Matthew R et al., 2020).
To identify abnormal tailbone movement, a dynamic X-ray that compares standing and sitting positions is helpful. When the patient sits on a chair and puts weight on it, the tailbone segments sometimes bend abnormally backward or slip forward beyond the normal range. This subluxation finding becomes clearly visible only on dynamic imaging (Skalski Matthew R et al., 2020). The patient should also be asked in detail how long the pain has lasted, the exact direction of the fall, and the circumstances of the delivery, and the exact point of tenderness should be located by hand. When these exam findings raise suspicion of a hairline fracture, swelling of the surrounding bone marrow, or joint injury, detailed imaging such as MRI or CT is performed step by step (Foye Patrick M, 2017).
Not all pain in the tailbone area comes from trauma or joint movement. Tumors that develop around the tailbone such as chordoma, infections including osteomyelitis, crystal deposition diseases, and pilonidal cysts, in which pus and inflammation collect beneath the skin, can also cause similar pain (Skalski Matthew R et al., 2020). If you can feel a lump around the tailbone, or if you have a fever and fluid or pus is coming from the skin, the problem is not a simple pressure injury. Infection or a tumor-related condition must therefore be ruled out first.
Tailbone Pain Treatment at THE WELLS Jamsil
We do not look at the local pain at the tip of the tailbone on its own; we evaluate it together with the alignment of the whole spine and the way load flows through the pelvis, and treat accordingly. The temporomandibular joint (TMJ) and the upper cervical spine keep the body balanced at its very top. When this area is twisted, the effect can travel downward and place asymmetric loads on the pelvis and tailbone. That is why we start with TMJ cranial nerve manual therapy to check the alignment of the TMJ and upper cervical spine, then adjust the tension around the cervical spine to restore balance along the body's central axis.
Next, we treat the stiff soft tissue around the pelvis and tailbone. We apply WINBACK radiofrequency to gently release the stiff fascia of the deep gluteal muscles and around the tailbone, and to support microcirculation in the surrounding tissue, lowering the tension that pain creates. We also precisely assess the left-right height of the pelvis, any difference in leg length, and the angle at which the pelvis rolls backward when you sit. We then use manual therapy to correct the alignment of the pelvis and sacroiliac joints, guiding body weight to spread evenly onto the ischial tuberosities.
When pain persists for a long time after an injury, or when chronic inflammation around the ligaments does not settle, we apply extracorporeal shockwave therapy (ESWT). ESWT is a conservative treatment that delivers physical acoustic waves to a localized area to promote microcirculation and induce tissue regeneration. A literature review that pooled nine randomized controlled trials involving 532 patients with tailbone pain found that pain scores and sitting function improved significantly after ESWT. Some of the studies reported that these improvements lasted for six months (Blanco-Diaz Maria et al., 2025). In the same review, manual therapy showed a particularly notable effect in improving recently developed tailbone pain (Blanco-Diaz Maria et al., 2025). Another narrative review also presented clinical evidence that stretching, manual joint correction, and extracorporeal shockwave therapy are effective for managing tailbone pain without surgery (White William D et al., 2022). For mothers whose pelvic joints are unstable after childbirth, we link treatment with postpartum sacroiliac joint stabilization therapy to manage the risk of recurrence systematically.
First, Correct Your Cushion and Sitting Posture
To keep body weight off the tip of the tailbone, lean your upper body slightly forward of your pelvis and consciously settle your posture so your weight rests evenly on the ischial bones, the firm bones on either side of the buttocks.
A dedicated wedge-shaped cushion with a cutout in the middle or at the back, where the tailbone would touch, lets the tailbone area float above the seat when you sit, which greatly reduces the direct friction and pressure that body weight creates (Foye Patrick M, 2017). If you drive for long periods or work at a desk, take a break at least once every 40 to 50 minutes to get up and stretch the muscles around your pelvis.
Most tailbone pain improves gradually with these posture corrections, cushion use, and structured manual therapy and physical therapy. However, if pain persists to the point that daily life is impossible despite several months or more of adequate, structured conservative treatment, surgical treatment such as coccygectomy, which removes part of the tailbone, may be discussed in the literature, limited to very rare chronic and refractory cases (White William D et al., 2022).
Jumin Kim · Medical Director · THE WELLS Jamsil
References
- Foye Patrick M (2017). Coccydynia: Tailbone Pain.. Phys Med Rehabil Clin N Am. PMID: 28676363
- White William D, Avery Melissa, Jonely Holly (2022). The interdisciplinary management of coccydynia: A narrative review.. PM R. PMID: 34333873
- Daily David, Bridges James, Mo William B (2024). Coccydynia: A Review of Anatomy, Causes, Diagnosis, and Treatment.. JBJS Rev. PMID: 38709859
- Blanco-Diaz Maria, Palacios Laura R, Martinez-Ceron Maria D R (2025). Physiotherapy approaches for coccydynia: evaluating effectiveness and clinical outcomes.. BMC Musculoskelet Disord. PMID: 40420056
- Dislocation and fracture identified in postpartum pain. PMID: 22820826
- Skalski Matthew R, Matcuk George R, Patel Dakshesh B (2020). Imaging Coccygeal Trauma and Coccydynia.. Radiographics. PMID: 32609598
Frequently Asked Questions
Q. What information should I prepare when I see a doctor for tailbone pain after a fall or after childbirth?
It helps to note the date the pain started, how you were injured or when you gave birth, and the positions that make the pain worse. Bringing your previous X-ray images and their reports, along with the medicines you have used and your treatment history, also helps in deciding the next steps for testing and treatment.
Q. What should I check if my tailbone still hurts while I use a tailbone cushion?
Check whether the cutout in the cushion actually sits under your tailbone, and whether the cushion compresses when you sit so that your tailbone touches the seat. If the pain continues after you adjust the position, shorten the time you spend sitting, and at your follow-up visit, tell your doctor how the pain changed before and after you started using the cushion.
Q. How should I record whether my tailbone pain is improving during treatment?
Record your pain score along with how long you can sit without pain and any discomfort when you get up from sitting. Comparing changes under similar chair and activity conditions, and noting whether you used a cushion, helps you gauge how well your daily function is recovering.