Figure 1

Positioning device used for reproducible alignment of the bones and joints of the hand and wrist during serial magnetic resonance imaging. (A) Hand and wrist are shown positioned on the acrylic M-frame™ with the fingers and thumb adducted and in plane with each other. (B) The hand and wrist are secured to the frame with self-adhesive, latex-free, elastic bandage (images courtesy of Spire Sciences, Inc).