Execution:
- Patient is in supine lying position
- The patient is asked to flex the hip from 90° on against the resistance from the examiner
Positive Outcome: Decreased strength rated with the MRC scale compared to the other side
| Study | Reliability | Sn | Sp | LR+ | LR- |
| Kendall et al. (1983) | NA | NA | NA | NA | NA |
