A tilting inversion exerciser includes a table rotatably supported on a supporting stand with a pivot axle and a power actuating foot retaining device attached to the table for being powered and actuated to clamp and to retain ankle portions of the user to the table without being operated manually by the user. The table includes two fixed foot supports for supporting the feet of the user, a tube is attached to the table, a stem is slidably attached to the tube and has two foot anchor members movable to clamp the feet of the user to the table. A motorized and threaded coupling device may move and adjust the stem relative to the tube. The table includes a hand grip for supporting an operating device.