Coccydynia
SpineOverview
Coccydynia is pain localized to the coccyx (tailbone) and surrounding tissues, typically resulting from trauma, prolonged sitting pressure, or idiopathic causes. The condition affects the distal sacrococcygeal region and can significantly impact sitting tolerance and quality of life. Management focuses on reducing mechanical stress, addressing myofascial restrictions, and restoring normal biomechanics.
Pathophysiology
Pain originates from the coccyx, sacrococcygeal joint, or surrounding soft tissues including the coccygeus muscle, levator ani, and external sphincter. Common causes include direct trauma (falls, childbirth), repetitive microtrauma from prolonged sitting, or hypermobility of the sacrococcygeal joint. Inflammation, muscle spasm, nerve irritation (particularly the coccygeal plexus), and postural dysfunction contribute to symptom perpetuation. Anatomical variations and poor sitting posture increase vulnerability.
Patient Education
Coccydynia often improves with activity modification, proper sitting ergonomics (avoiding direct pressure on the coccyx using cushioned rings or wedges), and addressing underlying postural and muscular dysfunction rather than complete rest.
Typical Presentation
Site
Localized pain at the coccyx, with possible referral to sacrum, gluteal region, or perineum; pain may be unilateral or bilateral
Quality
Sharp, aching, or throbbing pain; may feel tender to palpation; occasionally described as burning if nerve involvement present
Intensity
Mild to moderate, often worsening throughout the day; typically 4-7/10 intensity that fluctuates with activity
Aggravating
Prolonged sitting (especially on hard surfaces), direct pressure to the coccyx, forward bending, defecation, sexual intercourse, certain positions during childbirth or labor
Relieving
Standing or walking, lying supine with hips flexed, use of coccygeal cushions or donut pillows, heat application, osteopathic treatment
Associated
Postural dysfunction (excessive lumbar lordosis, sacral tilt), muscle tension in gluteals and pelvic floor, sacroiliac joint dysfunction, limited hip flexion, constipation or straining patterns
Orthopaedic Tests
Coccygeal Palpation
Procedure
Patient side-lying or prone, with consent and a chaperone offered. Palpate externally along the sacrum to the tip of the coccyx and the soft tissues either side. An internal (per rectal) examination should only be done by a clinician trained and permitted to do so, with specific informed consent.
Positive Finding
Tenderness that reproduces the familiar pain, located at the coccyx itself rather than the sacrum or surrounding muscles.
Interpretation
Point tenderness at the coccyx supports coccydynia as the source of pain. Pain on sitting that is not reproduced by coccyx pressure should prompt a look at the lumbar spine, sacroiliac joints and pelvic floor. New coccyx pain without trauma, with night pain or weight loss, needs medical assessment.
Coccygeal Mobilisation Test (Anterior-Posterior Glide)
Procedure
Patient side-lying or prone. Stabilise the sacrum and apply a gentle glide to the coccyx externally. Internal assessment should only be performed by a clinician trained and permitted to do so, with specific informed consent.
Positive Finding
Reproduction of the familiar pain with movement of the coccyx, or clearly reduced or excessive movement compared with what is expected.
Interpretation
Reproduction of pain with coccyx movement supports a local source. Judging how much the coccyx moves by hand is unreliable; sitting-versus-standing lateral X-rays are used when an unstable coccyx is suspected.
Straight Leg Raise (SLR) Test – Contralateral Side
Procedure
Patient supine. Lift each leg in turn with the knee straight and ask whether the familiar coccyx pain, or any leg symptoms, appear.
Positive Finding
Reproduction of the familiar pain, or radiating leg pain, during the leg raise.
Interpretation
Not a recognised test for coccydynia. A positive SLR with leg pain points to a lumbar nerve-root problem as a possible contributor to the pain. A negative test supports a local coccyx source.
Seated Flexion-Extension (Coccygeal Range of Motion)
Procedure
Patient seated on a firm surface. Ask the patient to lean forward and back, and to move from sitting to standing, noting when the pain appears.
Positive Finding
Pain when sitting down, when leaning back onto the coccyx, or on rising from sitting.
Interpretation
Pain on sitting and on rising from a chair is the typical pattern of coccydynia. This is an observation of pain behaviour, useful for monitoring; it does not measure coccyx movement.
Ischial Tuberosity Palpation Test
Procedure
Patient side-lying with the hips bent. Palpate the ischial tuberosities and the soft tissue between them and the coccyx.
Positive Finding
Tenderness that reproduces pain on sitting, felt at the sitting bones rather than the coccyx.
Interpretation
Helps tell coccyx pain from pain at the sitting bones, such as proximal hamstring tendinopathy or ischial bursitis, which also hurt on sitting. Pain located here rather than at the coccyx points away from coccydynia.
Sacroiliac Joint Palpation & Mobility
Procedure
Patient prone. Palpate the posterior superior iliac spines and the sacroiliac region, and apply gentle posterior-to-anterior pressure over the sacrum.
Positive Finding
Reproduction of the familiar pain from the sacroiliac region rather than the coccyx.
Interpretation
A way of checking whether nearby structures contribute to the pain. Pain reproduced here rather than at the coccyx suggests a sacroiliac or lumbar source; the sacroiliac provocation tests are more useful than palpation for this.
⚠ Red Flags
- •Severe trauma with signs of fracture or dislocation
- •Loss of bowel/bladder control or progressive neurological symptoms suggesting cauda equina involvement
- •Signs of infection (fever, localized heat, rapidly spreading erythema)
- •Unexplained weight loss or constitutional symptoms suggesting malignancy
- •Progressive neurological deficit in lower limbs or saddle anesthesia
- •History of cancer with new onset coccygeal pain
⚡ Yellow Flags
- •High pain catastrophizing or fear-avoidance beliefs about sitting
- •Significant distress disproportionate to clinical findings
- •History of childhood trauma or abuse
- •Chronic pain mindset with excessive focus on the symptom
- •Depression or anxiety interfering with recovery
- •Pending litigation or compensation claim
- •Unrealistic expectations of rapid cure through passive treatment alone
Osteopathic Techniques
Region
Coccyx and sacrococcygeal joint
Technique
Rationale
Gentle soft tissue mobilization of coccygeus muscle, external anal sphincter, and surrounding fascia reduces myofascial tension and improves local circulation. Intrarectal technique (with consent) addresses deep pelvic floor muscles contributing to pain perpetuation.
Region
Sacrococcygeal joint
Technique
Rationale
Gentle articulation and mobilization of the sacrococcygeal joint restores normal segmental mobility, reduces joint hypermobility-related irritation, and improves synovial fluid distribution to facilitate healing.
Region
Gluteal region and hip
Technique
Rationale
Muscle energy technique applied to piriformis, gluteus maximus, and hip external rotators reduces secondary muscle guarding that perpetuates coccygeal pain through fascial tension.
Region
Lumbar spine and sacrum
Technique
Rationale
Addressing erector spinae, quadratus lumborum, and sacral fascia reduces compensatory tension patterns that increase sacrococcygeal joint loading and coccygeal pain.
Region
Pelvic floor and levator ani
Technique
Rationale
Functional technique to normalize pelvic floor tension patterns, particularly in patients with excessive guarding or paradoxical muscle contraction contributing to coccygeal dysfunction.
Rehabilitation Exercises
Coccyx-Friendly Hip Flexor Stretch (Kneeling Lunge Position)
Piriformis Stretch (Supine Figure-4)
Pelvic Floor Release (Child's Pose Variation with Deep Breathing)
Hip Pendulum Swings (Supported, Gentle Mobilization)
Neutral Spine Sitting Awareness Training (With Coccygeal Cushion)
Transversus Abdominis Activation (Supine Breathing with Light Contraction)
Gluteus Maximus Bridge (Supine, Controlled Activation)
Core Stability Series (Dead Bug Progression)
Quadruped Rocking (Gentle Anterior-Posterior Weight Shifts)
Standing Posture Reset (Neutral Pelvis, Lumbar Curve Awareness)
Walking Program (Starting with Short, Frequent Bouts)
Gluteal Complex Stretch (Supine Hip Adduction with Knee Bent)
Referral Criteria
- •Persistent symptoms unresponsive to 4-6 weeks of conservative osteopathic and physiotherapy management
- •Suspected fracture or significant structural damage requiring imaging confirmation and orthopedic evaluation
- •Progressive neurological symptoms or signs of nerve root compression requiring neurosurgical assessment
- •Signs of infection or abscess requiring medical investigation and possible imaging
- •Symptoms following childbirth with concerns about obstetric-related injury or pelvic floor dysfunction requiring pelvic floor physiotherapy specialist
- •Psychological distress, catastrophizing, or psychosocial barriers to recovery requiring mental health assessment
- •Suspicion of malignancy or other systemic pathology warranting imaging and medical oncology referral
- •Consideration of coccygectomy when conservative management has failed over 6-12 months (surgical referral to colorectal or orthopedic surgeon)