Execution:
1. Patient is in supine lying position
2. The examiner maximally flexes the patient’s hip and knee
3. The examiner then rapidly extends the knee
Positive Outcome: The patient’s familiar symptoms are exacerbated
| Study | Reliability | Sn | Sp | LR+ | LR- |
| Cacchio et al. (2012) | Intra-rater ICC=0.82-0.97 Inter-rater ICC=0.82-0.94 |
89 | 91 | 9.89 | 0.12 |
