A joint imaging apparatus includes a subject table and a radiographic unit including a radiation generating section disposed above the subject table to irradiate a joint of a finger, and a detecting section disposed under the subject table to detect radiation passing through the joint. The subject table includes a base unit to fix the wrist, and a subject fixing unit to fix the joint to a predetermined position. The subject fixing unit includes a first fixing member to fix a part on the trunk side of the joint, and a second fixing member to fix a part on the side, opposite to the trunk side, of the joint. A position of the second fixing member is adjustable relative to that of the first fixing member.
