The “Thumbs-up” sign and trapeziometacarpal joint injection: a useful clinical indicator

Conclusions
The “Thumbs-up” sign is a practical clinical tool that gives the practitioner important visual feedback at the time of injection. Patient relaxation and joint compliance are limiting factors. The “Thumbs-up” sign is an inexpensive indicator of successful intra-articular injection and may obviate the need and expense of advanced imaging modalities at the time of injection.

Source: Hand - October 2, 2014 Category: Surgery Source Type: research