Gymnastic machine (1) including a frame (10), at least one gymnastic implement supported by the frame (10), in association with a load group (30) to provide a resistive load to each implement (20) during the execution of a physical exercise; the load group (30) including a first circuit (40) and a second circuit (50), both provided with respective flexible members (41) (51); each implement (20) being coupled to a first transmission member (41) for the first circuit (40), and the second circuit (50) including at least one load unit (60) capable of exercising a resistive action on the first transmission member (41); the first circuit (40) and the second circuit (50) being interfaced mechanically with each other through modulating means (70) capable of mechanically activating the load unit (60) to regulate its intensity.