The carpometacarpal joint of the thumb is the most important in manual exercise function. Robert method is used for the projection for carp metacarpal joint of the thumb broadly. But, the physique is difficult when there is a pain to a person of advanced age and an upper drumstick in Robert method. So, we devised the photography method that reduced patient burden. Comparison examined Robert method and Tokai method. Detect ability is equal in both method. Patient burden is reduced in Tokai method. Therefore, it isn't influenced a state of patient, and application range is useful broadly.
