| 摘要 |
A machine (1) for gymnastic exercises, particularly for exercising the abdominal muscles, comprising a supporting footing (2) which is associated with a rolling track (6) for a cradle-like structure (7) which is integral with a seat (8) provided with a sitting portion (9) that is at least partly movable with respect to a backrest (10) thereof, more precisely, such movement is achieved as a consequence of the movement of the legs (11) toward the upper body (12) of a user (13) who is seated on the seat (8) while keeping his or her upper body (12) resting on the backrest (10); moreover, means (16) are provided for tilting the cradle-like structure (7) which are connected kinematically to the sitting portion (9) for the rolling of the cradle-like structure (7) on the rolling track (6), as a consequence of the movement of the legs (11) toward the upper body (12) of the user, between an inactive position, in which the backrest (10) is substantially oriented vertically, and a maximum effort position, in which the backrest (10) is substantially reclined backwards, and vice versa. |
