Fig. 1From: Subchondral pressures and perfusion during weight bearingExperimental set up showing the Ex-fix screws labeled A in the metacarpal diaphysis and B in the middle phalanx. IOP needles are seen in the metacarpal metaphysis [23], subchondral epiphysis [1], and middle of the proximal phalanx [10]. The loading device is seen on the right with its calibrated internal springBack to article page