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Chiropractic Glossary

What Is The Sacrum?

Chiropractic Care & Spinal Health ·
Quick Answer

The sacrum is a large, triangular bone at the base of the spine, formed from five fused vertebrae. It sits between the two hip bones and connects the spine to the pelvis, forming the back wall of the pelvic ring.

Why Sacrum Matters for Your Spinal Health

The sacrum acts as the keystone of the pelvis, transferring the weight of the upper body down into the legs while absorbing the forces of walking and standing. When the sacrum or its surrounding joints lose normal alignment and motion, the result can be lower-back, hip, or pelvic pain that affects everyday movement. After a car accident, sudden impact through the seat and pelvis can jar the sacrum, which is why this area is a common focus of post-crash chiropractic evaluation.

Injured in an Accident? Arrowhead Clinic Can Help.

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Conditions & Symptoms Related to Sacrum

Issues centered on the sacrum may contribute to several complaints, including:

  • Deep, aching lower-back or buttock pain
  • Pain that worsens with prolonged sitting or standing
  • Pelvic imbalance or a feeling of being uneven
  • Discomfort that radiates into the hip or upper leg

Because the sacrum links the spine and pelvis, problems here can ripple into the lower back and hips.

Common Misconceptions About Sacrum

One misconception is that the sacrum is just the tailbone. The tailbone, or coccyx, is the small segment below the sacrum, while the sacrum itself is the larger triangular bone above it.

Another is that sacral pain always means a serious injury. Many cases stem from joint dysfunction or muscle imbalance that responds well to conservative care.

How Chiropractors Evaluate & Treat Sacrum

Chiropractors assess and care for the sacrum using methods such as:

  • Pelvic alignment and motion testing
  • Adjustments or low-force techniques to the sacrum and pelvis
  • Soft-tissue and stretching work for surrounding muscles
  • Imaging when needed to rule out fracture or other damage

Restoring balanced motion through the sacrum helps relieve lower-back and pelvic discomfort.

When to See a Chiropractor About Sacrum

Why Chiropractic Care After an Accident
Evidence-Based Treatment
Over 100 studies support chiropractic effectiveness for back pain, with patients reporting 73% satisfaction rates compared to 17% for medical care.
Drug-Free Approach
Chiropractic care offers a natural alternative to pain medication, reducing reliance on opioids and their associated side effects and risks.
Whole-Body Wellness
Chiropractic care addresses the root cause of health issues rather than just the symptoms, supporting long-term recovery after an accident.

See a chiropractor if lower-back or buttock pain persists, worsens with sitting, or feels uneven from side to side.

Get evaluated after a car accident or fall, since direct force to the pelvis can affect the sacrum and its joints.

Arrowhead Clinic helps accident victims recover at chiropractic clinics across Georgia, including Atlanta, Savannah, and Brunswick — with same-day appointments at a walk-in chiropractor near you.

Key Takeaways

  • The sacrum is the triangular bone at the base of the spine
  • It is formed from five fused vertebrae
  • It connects the spine to the pelvis and bears body weight
  • The tailbone sits just below the sacrum and is separate
  • Sacral problems often cause lower-back and pelvic pain
  • Crash or fall impacts can jar the sacrum and its joints

Frequently Asked Questions

Is the sacrum the same as the tailbone?
No. The tailbone, or coccyx, is the small bone below the sacrum. The sacrum is the larger triangular bone that joins the spine to the pelvis.
What does sacrum pain feel like?
It is often a deep ache in the lower back or buttock that can worsen with sitting, standing, or certain movements.
Can chiropractic help with sacral pain?
Yes. Chiropractors use alignment testing and gentle adjustments to restore motion and ease pain around the sacrum and pelvis.