"from a pronated position for PA fingers, the hand is rotated approximately 45 degrees (thumb side up), resting on a sponge if required (see Figure 1)"
"SID"
"Separation of the metacarpals (almost a PA view) means the hand must be raised slightly."
"orientation "
"Digit is examined to include the carpometacarpal joint. The condyles of the phalanges are oblique as seen via little superimposition of the two domes. There is a noted uneven concavity of the mid-shaft of the metacarpal. On the raised side, there is more soft tissue"