Abstract: An exercise assembly for a chair includes a plurality of elastic members having a central portion extending between a joining member coupled to a bottom of the chair's seat and a fixing member coupled to a base of the chair. The tension force in each elastic member is adjusted by adjusting the height of the chair seat relative to the base to thereby change the distance between the fixing member and the joining member, and is substantially the same in each elastic member since they are generally uniformly stretched.

Abstract: The present invention relates to an exercise assembly for a chair and a chair having such an exercise assembly. The exercise assembly arranged on a chair comprises: a plurality of elastic members; a fixing member comprising a base and a first and second fixing part extending from two sides of the fixing member, each fixing part having a plurality of mounting parts, the number of the mounting parts is corresponding to the number of the elastic members; a joining member having a plurality of joining parts, the number of the joining parts being corresponding to that the number of the elastic members, wherein the joining member is arranged above the fixing member, and the elastic members sequentially pass through the corresponding mounting part of the first fixing member, the corresponding jointing part of the jointing member and the corresponding mounting part of the second fixing member, respectively. An aesthetically advantageous appearance can be obtained in the present invention.

Abstract: An exercise device attachable to the chair is provided which comprises a generally “W”-shaped frame separately mounted on a post of a height-telescopic executive type chair, an elastic band disposed and extending through the W-shaped frame, and a tension adjusting mechanism mounted on the chair and connected to the elastic band. The adjusting mechanism is manipulated to adjust the tension of the elastic strap. The exercise device mounted on the executive chair creates a unique and most serious exercise-station at one's home or office. The tension adjusting mechanism slides up and down with the motion of the chair, and by this action the tension of the elastic band increase or decrease significantly, making the workout routine a challenge or pleasure as per one's choice.

Abstract: An exercise device attachable to the chair is provided which comprises a generally “W”-shaped frame separately mounted on a post of a height-telescopic executive type chair, an elastic band disposed and extending through the W-shaped frame, and a tension adjusting mechanism mounted on the chair and connected to the elastic band. The adjusting mechanism is manipulated to adjust the tension of the elastic strap. The exercise device mounted on the executive chair creates a unique and most serious exercise-station at one's home or office. The tension adjusting mechanism slides up and down with the motion of the chair, and by this action the tension of the elastic band increase or decrease significantly, making the workout routine a challenge or pleasure as per one's choice.