| 主权项 |
1. An exercising machine comprising:
a base frame to provide ground support, the base frame having a seat pad disposed between a front portion and a rear portion of the base frame; a mounting assembly rotably mounted over the rear portion of the base frame, the mounting assembly having at least one pivot joint including a swivel pivot joint having at least two rotable structures associated with two rotating axes, and wherein the swivel pivot joint allows swivel movements simultaneous rotating around at least the two rotating axes; a backrest assembly movably coupled to the mounting assembly via the at least one pivot joint for swivel movements along the base frame, the backrest assembly including backrest pad and backrest support structure affixed to the backrest pad, the backrest pad having a front end and a rear end, the backrest support structure coupled with the swivel joint at the front end of the backrest pad to support the swivel movements for the backrest pad; and a handle assembly adjustably affixed to the backrest assembly to allow a user sitting on the seat pad to induce the swivel movements via the backrest pad |
