Execution:
- The patient maximally flexes the wrist within the pain margin and keeps the thumb fully extended and abducted
- The examiner applies a gradually increasing abduction resistance to the thumb
- When the patient is unable to maintain the force against the examiner, the patient is free to release the pressure
Positive Outcome: The patient experiences pain on resisted pressure
Study |
Reliability | Sn | Sp | LR+ |
LR- |
Goubeau et al. (2014) |
NA |
99 | 29 | 1.39 |
0.03 |
Comment: The WHAT test was designed to isolate the abductor pollicis longus and extensor pollicis brevis tendons, while giving the patient active control over the pain elicited by the test |