An exercise device for performing multiple exercise movements. The device includes a track, a track carriage, and a variable resistance system so that users can exercise multiple muscle groups. The resistance system provides assistance to the user during certain exercise movements and increased difficulty during other exercise movements.

A multi-purpose abdominal and core exercising machine is an apparatus that allows a user to exercise their abdominal muscles through a variety of guided movements. The apparatus includes an incline-adjustable frame, a track, a swiveling seat, a height-adjustable headrest, a first graspable pole, a second graspable pole, and a backrest. The track is mounted onto the incline-adjustable frame. The backrest and the swiveling seat supports the user's body as the backrest slides along the track and the swiveling seat is terminally fixed to the track. The height-adjustable headrest is mounted between the two grasping poles. The proximal end for each grasping pole is rotatably connected to the backrest, which allows the user to hold the distal end for each grasping pole. Pulling the grasping poles towards the user's abdomen allows for a movement by the apparatus to exercise the user's abdominal muscles.

An exercise machine has an inclined frame and a user supporting a carriage slidingly supported on the frame for movement along the frame. A cable and pulley system is operatively connected to the frame. The carriage is operable by a user supported on the carriage to move the carriage along the frame and under the resistance of the user's weight. The cable and pulley system has a pair of forward pulls and a pair of rearward pulls, each of which may be operated by the user to move the carriage along the frame. A cardiovascular exercise device, such as for example a bicycle crank assembly may be supported on the carriage for conjoined movement with the carriage, allowing a user to operate the bicycle crank and the carriage simultaneously for cardiovascular exercise and weight lifting.

An angle-adjustable Smith machine includes a base; an upper frame, located at a height from the base and having two slide slot brackets; two front poles each having a bottom end pivotally connected to the base and a top end coupled to the slide slot brackets; two rear poles, connected between the base and the upper frame; and at least one angle adjustment unit, disposed on the corresponding slide slot bracket and connected to the top end. The angle adjustment unit is configured for driving the top end of the front pole to move in an X direction and then to be secured, so that the bottom end of the front pole is pivoted in the X direction for the front pole to be adjusted at a predetermined angle.