Prone Knee Bend Test
Other Names
- Prone Knee Bend Test
- Prone Knee Flexion Test
- Reverse Lasegues Test
- Prone Knee Bending Test
- Reverse Lasegue's Test
Purpose
- To help evaluate the cause of the patients hip and thigh pain
Description
- The patient is prone
- The examiner passively flexes the patients knee to end range of motion and maintains it there for 45 seconds
- There should be no rotation in the hip
- Positive test
- Pain in anterior thigh: tight quadriceps, femoral nerve tension
- Pain in lumbar/buttocks/posterior thigh: lumbar radiculopathy
Pathology
Evidence
- Suri et al[1]
- Nerve root compression at L2-L4: Sensitivity 50%, specificity 100%
- For L3 nerve root only: Sensitivity: 70%, specificity 88%
See Also
Hip
Back
References
- ↑ Suri, Pradeep, et al. "The accuracy of the physical examination for the diagnosis of midlumbar and low lumbar nerve root impingement." Spine 36.1 (2011): 63-73.