Execution:
- The patient is in sitting position with the hand on the examination table
- The examiner grasps the patient’s hand with one hand in order to stabilize the wrist and metacarpals in neutral position
- With the other hand, the examiner places the metacarpal in flexion
Positive Outcome: Pain, even a slight painful sensation, in the basal joint region of the thumb
| Study | Reliability | Sn | Sp | LR+ | LR- |
| Sela et al. (2017) | NA | 46 | 100 | ∞ | 0.54 |
| Comment: The MC-flexion test appears to be a good test to confirm the diagnosis of CMC osteoarthritis. A negative test, however, does not always imply negative radiographic evidence of thumb CMC osteoarthritis. | |||||
