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Prone Instability Test
From WikiSM
Other Names
- Prone Instability Test
Purpose

Starting position of the prone instability test[1]
- Evaluate patients response to spinal stabilization physical therapy program
Description
- The patient is prone, with legs hanging off the examination table, feet on floor
- With the patient in this position, examiner applies anterior-posterior pressure on each spinous process of the lumbar spine
- Note any pain
- Then the patient lifts the legs off the floor and the exam is repeated
- Positive test:
- Pain only in the resting position, suggesting lumbo-pelvic instability
Pathology
- Lumbo-pelvic instability
Evidence
- Hicks et al[2]
- Sensitivity: 72%
- Specificity: 58%
- LR-: .48
- LR+: 1.7
See Also
References
- ↑ Russo, Marc, et al. "Muscle control and non-specific chronic low back pain." Neuromodulation: Technology at the Neural Interface 21.1 (2018): 1-9.
- ↑ Hicks G, FritzJ, Delitto A, McGill S. Preliminary development of a clinical prediction rule for determining which patients with low back pain will respond to a stabilization exercise program. Arch Phys Med Rehabil 2005;86:1753-1762.
Created by:
John Kiel on 8 August 2019 14:51:44
Authors:
Last edited:
15 May 2023 07:52:23
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