Abstract: A recording goniometer for affixation to an area surrounding a flexing joint. The goniometer measures and records the flexibility or extent of limb movement about a joint and further permits separate comparative recordation of joint movement as a determination of healing progress. The goniometer comprises extension elements distally connected to permit angular separation. For accuracy in measuring the extent of angular separation, the extension elements are also connected with a geared movement. In use, each extension element is removably attached to respective parts of the limb which extend from the joint, with the area of attachment proximally covering the joint. A platen member is integrated with one of the extension elements and a scribing element is inegrated with the other extension element.