Sacral Thrust Test

Other Names

Demonstration of the sacral thrust test

Possibly a modified version with the patient supine. (Unclear if this is a different test)

Sacral thrust test

• Sacral Compression Test
• Downwards Pressure Test
• Sacral Spring Test
• Midline Sacral Thrust Test
• Pelvic Spring Test
• Spring Test for Mobility
• Spring Test for Pain

---

Purpose

• Evaluate the Sacroiliac Joint with an anterior shear force

---

Description

• The patient begins in the prone position on the examination table
• The examiner applies an anteriorly directed pressure over the sacrum.
• Both hands should be used to maximize force
• Positive test:
  • Pain is reproduced in the sacrioliac region

Alternative Description: Pelvic Spring Test

• The patient is supine
• Apply a medial compression on both sides of the iliac crest
• Then place hands around ASIS and apply a posterolateral force
• Positive test
• Reproduction of pain

---

Pathology

• Sacroiliac Joint Pain
• Sacroiliitis

---

Evidence

Sacroiliac Joint Pain

• Liska et al
  • Sensitivity: 63%
  • Specificity: 75%

---

See Also

• Back Pain (Main)
• Physical Exam Back

---