Sacral Torsion

What is Sacral torsion?

In osteopathic medicine, sacral torsion is a sacral somatic dysfunction in which the sacrum rotates relative to the hip bones around an oblique axis. This dysfunction may contribute to low back or buttock pain in osteopathic structural assessment. The sacral body, or middle part of the sacrum, and its improper tilt can alter the dimensions of the neural foramina, which are the openings through which spinal nerves exit.

What causes Sacral torsion?

Sacral torsion is described in osteopathic literature after gait-related mechanical stress or trauma, but a single established cause has not been clearly defined. Altered pelvic mechanics, leg-length inequality, gait abnormalities, or surrounding soft-tissue dysfunction may also be associated with sacral or sacroiliac dysfunction. These findings are interpreted in osteopathic examination together with sacral sulcus and inferior lateral angle asymmetry. Sacral torsion is then classified by the direction of sacral rotation and the oblique axis involved.

What are the signs and symptoms of Sacral torsion?

Individuals with this condition frequently report unilateral low back pain that intensifies during prolonged standing or asymmetric physical activities. This discomfort is often accompanied by buttock tenderness and referred pain that radiates into the posterior thigh. Upon examination, the sacral sulcus appears palpably deeper on the side of anterior rotation, while the height of the pelvic bones may seem uneven. Patients often describe significant stiffness during forward flexion. True neurological deficits are rare unless the torsion severely compromises the nerve exit points.

How is Sacral torsion identified?

Diagnosis requires a comprehensive structural examination that focuses on the symmetry of the sacral base (the wide superior portion of the sacrum). Clinicians evaluate the depth of the sulci and the position of the inferior lateral angles to determine the direction of the rotation. The seated flexion test, a manual assessment where the provider monitors the movement of the iliac spines while the patient bends forward, is used in osteopathic examination to assess sacral motion relative to the hipbones. Imaging is used mainly to assess alternative causes of pain when clinically indicated, and palpatory findings alone do not definitively establish the pain generator.

How is Sacral torsion treated?

Management of low back or sacroiliac-region pain is individualized and may include activity modification, analgesics, physical therapy, and, in selected settings, osteopathic manipulative treatment. To reposition the sacrum, osteopathic providers often utilize muscle energy techniques, a treatment where the patient provides a gentle muscle contraction against the clinician’s resistance. High-velocity low-amplitude adjustments or counterstrain techniques may also target the sacral base and restricted soft tissues. Following the initial correction, stabilization exercises focused on core and gluteal strengthening help maintain pelvic symmetry and prevent the recurrence of the mechanical imbalance.

What are the most important facts to know about Sacral torsion?

• In osteopathic medicine, sacral torsion refers to the rotation of the sacrum relative to the hipbones around an oblique axis.
• Sacral torsion is classified by the direction of sacral rotation and the oblique axis involved.
• The seated flexion test and palpation of the sacral base are diagnostic tools used to identify the direction of the torsion, but should be interpreted with other findings.
• Treatment protocols integrate muscle energy and other manual therapies with rehabilitative exercises to stabilize the lumbopelvic region.
• Persistent pain, atypical features, or neurologic deficits should prompt evaluation for alternative causes of low back or buttock pain.