In general, exercises that strengthen the femoral and gluteal muscles include a hip abductor, a leg extension, a leg curl, and a total hips. A feature of the present invention is to configure exercise equipment as one to reduce cost and space from the point of view of a person purchasing the exercise equipment. To this end, an exercise apparatus according to the present invention comprises: a sitting part on which a user can sit or lie; an arm which is attached to a position corresponding to the pelvis of the user on a sagittal plane to be able to rotate, wherein one end of the arm is to be covered over the thigh of the user to be able to rotate. The exercise apparatus provides a plurality of leg hanging boards with different lengths such that a user can attach and detach the leg hanging boards to and from an arm part according to an exercise purpose. In addition, the exercise apparatus according to the present invention includes two different rotary shafts on the one arm part. COPYRIGHT KIPO 2022