Execution:
- The patient lies in prone position with the shoulder abducted to 90° and the elbow flexed to 90°
- Ask the patient to externally rotate the shoulder, while you apply resistance at the wrist
Positive Outcome: Weakness and/or pain compared to the other side
| Study | Reliability | Sn | Sp | LR+ | LR- |
| Boettcher et al. (2009b) | NA | NA | NA | NA | NA |
| Comment: This position has been shown to activate the supraspinatus and infraspinatus maximally while minimizing the activity of other shoulder muscles | |||||
