[Problem to be Solved] It is an object of the present invention to reduce energy consumed when a rotary apparatus is used and to suppress abrasion and breakage on the rotary apparatus and a driving apparatus which drives the rotary apparatus.[Means for Solving the Problem] Provided is a rotation adjustment apparatus (1) comprising a rotary apparatus (10) which has a plurality of members coupled to each other via a plurality of rotation axes, the rotary apparatus providing a rotational movement of one of the members rotating around the rotation axis with respect to another one of the members and a rotation restraining means (30, 72) which restrains at least one of a plurality of rotational movements provided by the rotary apparatus.