Execution:
- Patient is in supine lying position with about 100° of shoulder flexion and full external rotation
- The examiner supinates the slightly flexed forearm and applies a valgus force (some authors describe axial compression to the elbow as well)
- The examiner then carefully passively flexes the patient’s elbow
Positive Outcome: Patient shows apprehension at around 20-40° of elbow flexion or dislocation of radial head (dimple in the skin).
Study | Reliability | Sn | Sp | LR+ | LR- |
Regan et al. (2006) awake | NA | 37,5 | NA | NA | NA |
Regan et al. (2006) anesthesized | NA | 100 | NA | NA | NA |