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An exercise chair which is suitable for use with Pilates and other exercises, and which is more easily stored than existing exercise chairs. The exercise chairs are positioned one behind each other in a line. Optionally, the chairs may be locked together and then tilted up as a unit so that the resu

An exercise chair which is suitable for use with Pilates and other exercises, and which is more easily stored than existing exercise chairs. The exercise chairs are positioned one behind each other in a line. Optionally, the chairs may be locked together and then tilted up as a unit so that the resulting footprint occupied on the floor is relatively small. The chair has a sturdy base having fewer moving parts to avoid sacrificed performance associated with moving parts wearing out. The chair may optional include handle sections or grips to facilitate performing exercises on the chair.

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1. An exercise chair, comprising: a base;a seat mounted to the base and having a front and a rear;a lever mounted to the base and configured to be pressed down;at least one spring connected to the lever and to the base; anda pair of prongs extending from the base forwardly beyond the front of the se

1. An exercise chair, comprising: a base;a seat mounted to the base and having a front and a rear;a lever mounted to the base and configured to be pressed down;at least one spring connected to the lever and to the base; anda pair of prongs extending from the base forwardly beyond the front of the seat, wherein at least one of the prongs includes a device configured to engage, forward of the front of the seat, a base of a second exercise chair that is substantially similar to the exercise chair, so that when engaged with the base of the second exercise chair, the exercise chair and the second exercise chair are attached front-to-back and may be moved as a unit. 2. The exercise chair of claim 1, further comprising at least one first rail mounted to the base, and wherein the device is a second rail mounted to at least one of the prongs, wherein the second rail is configured to releasably attach to the base of the second exercise chair. 3. The exercise chair of claim 2, wherein the second rail is configured to releasably attach to a rail mounted to the base of the second exercise chair, when the exercise chair is positioned behind the second exercise chair. 4. The exercise chair of claim 1, further comprising a locking device fixedly mounted to the frame, wherein the locking device is configured to lock to a prong of another exercise chair, when the other exercise chair is positioned behind the exercise chair. 5. The exercise chair of claim 4 wherein the locking device is a pop pin. 6. The exercise chair of claim 1, wherein the prongs are separated by a width that is wider than the base of the second exercise chair and each prong is configured to releasably attach to opposite sides of the base of the second exercise chair. 7. The exercise chair of claim 1, further comprising a pair of transition pieces which couple the pair of prongs to the base. 8. An exercise chair, comprising: a base having a lower portion, an upper portion, a first side and second side;a seat mounted to the upper portion of the base;a lever pivotally mounted to the lower portion of the base and extending upward towards the seat and configured to be pressed down;at least one spring connected to the lever and to the base; anda pair of prongs extending from the lower portion of the base on the first and second sides forwardly beyond the front of the seat, wherein at least one of the prongs includes a device configured to engage, forward of the front of the seat, a corresponding side of a base of a second exercise chair that is substantially similar to the exercise chair, so that when engaged with the base of the second exercise chair, the exercise chair and the second exercise chair are attached front-to-back and may be moved as a unit. 9. The exercise chair of claim 8, further comprising at least one first rail mounted to the lower portion of the base, and wherein the device is a second rail mounted to at least one of the prongs, wherein the second rail is configured to releasably attach to the base of the second exercise chair. 10. The exercise chair of claim 9, wherein the second rail is configured to releasably attach to a rail mounted to a lower portion of the base of the second chair, when the exercise chair is positioned behind the second exercise chair. 11. The exercise chair of claim 8, further comprising a locking device fixedly mounted to the base and configured to lock to a prong of another exercise chair, when the other exercise chair is positioned behind the exercise chair. 12. The exercise chair of claim 11, wherein the locking device is a pop pin. 13. The exercise chair of claim 8, further comprising an attachment means mounted to the lower portion of the base and configured to attach to a device attached to at least one of the prongs of the second exercise chair when the second exercise chair is positioned behind the exercise chair. 14. The exercise chair of claim 8, wherein the device comprises an attachment means mounted to a prong and configured to attach to a lower portion of a base of the second exercise chair when the exercise chair is positioned behind the second exercise chair. 15. An exercise chair, comprising: a base having a lower frame and an upper frame;a seat mounted to the upper frame of the base;a lever pivotally mounted to the lower frame of the base and extending upward toward the seat and configured to be pressed down;at least one spring connected to the lever and to the base;a pair of prongs attached to the lower frame of the base configured to engage a base of a substantially similar second exercise chair, so that when the prongs of the exercise chair are engaged with the base of the second exercise chair, the exercise chair and the second exercise chair are attached and may be moved as a unit when the exercise chair is placed behind the second exercise chair; anda locking device fixedly attached to the base and configured to lock to a prong of another substantially similar exercise chair, when the other exercise chair is positioned behind the exercise chair. 16. The exercise chair of claim 15, wherein the locking device is a pop pin. 17. The exercise chair of claim 15, wherein the prongs are separated by a distance that is approximately equal to a width of the base of the second exercise chair so that the second exercise chair may fit between the prongs of the exercise chair when the exercise chair is placed behind the second exercise chair.