Posterolateral External Rotation Test
Other Names
- Posterolateral External Rotation Test
- Posterolateral Rotation Test
- External Rotation Test of the Knee
- Posterolateral Corner External Rotation Test
- PLC External Rotation Test
Purpose
- Evaluate the integrity of the Posterolateral Corner
- Similar to the Dial Test but performed in the supine position
Description
- The patient is supine
- Hip is flexed to 45°, knee flexed to 90°
- The examiner grasps the proximal tibia and foot and applies an external rotation
- Then, posterior directed force is applied to the anterior tibial tuberosity
- Positive Test
- Increased external rotation compared to the contralateral side
- Increased in pain
- Compare to the contralateral knee
Pathology
- Posterolateral Corner Injury
- LCL Injury
- Multiligament Knee Injury
- Posterolateral Rotatory Instability (PLRI) of the Knee
Evidence
- Unknown
See Also
References
- ↑ Abou Elseaud, Ahmed Mohamed, et al. "Injuries of Posterolateral Corner of the Knee: History, Mechanism of Injury and Diagnosis." Neuroquantology 20.19 (2022): 4490-4505.
Created by:
John Kiel on 14 December 2020 19:34:06
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Last edited:
11 June 2026 14:31:45
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