Execution:
- Have the patient in supine lying position
- Depress the patient’s shoulder, abduct to 110°, and flex the elbow to 90°
- Extend the wrist and fingers(including the thumb), supinate the forearm, and externally rotate the shoulder
- Slowly extend the elbow until the patient complains of familiar symptoms
- Confirm that the findings are due to nerve stretch by flexing the elbow a little to create slack and ask the patient to laterally flex their neck to the contralateral side, which should increase the symptoms again
Positive Outcome: The patients familiar arm symptoms like shooting pain or paresthesia are reproduced. Some authors score the test negative in case of a marked decrease of mobility (>10°)
| Study | Reliability | Sn | Sp | LR+ | LR- |
| Bueno-Garica (2015) | NA | 57.9 | 84.2 | 3.67 | 0.5 |
| Vanti et al. (2010) | Intra-rater ICC=0.69-0.91 Inter-rater ICC=0.48-0.72 |
43 | 75 | 1.71 | 0.76 |
| Trillos et al. (2018) | NA | 93 | 6.67 | 1.04 | 1 |
| Comment: Vanti et al. (2010) assessed asymptomatic subjects | |||||
