Postural hammock, which is intended to improve the posture and re-balance the muscular tensions of any user, as well as improve muscle elasticity and physical condition in general through the stretching of muscle chains, is characterized because it is constituted from two rectangular frames (1 and 2) articulated to each other, one of greater length than the other, with a board (5 and 6) being hinged to each of the frames to support the user, both boards being (5 and 6) possible to occupy a position of horizontality and verticality, with respect to the corresponding frame, as well as any of the intermediate positions or inclination of said boards (5 and 6), being associated with each board and its rear, an element or support rear (7), which on the one hand is hingedly attached to the rear face of the respective panel and on the other hand slides on lateral and internal guides (8) of the respective tidor (1 or 2), counting these guides with housings (17) for the ends of the sliding elements of the said posterior support (7), materialized in bearings (18), having provided that the board (5) of greater length constitutes the means of support for the legs of the user, while the board (6) of shorter length constitutes the means of support for the trunk or back of the same user, complementing the set of the referred structure with a pair of armrests (12) of trajectory arched and provided with pivots or rods (13) at one of its ends for anchoring to a piece (15) established in correspondence with the back of the board (6) of shorter length. (Machine-translation by Google Translate, not legally binding)1. Hamaca postural, que estando prevista para mejorar la postura y re-equilibrar las tensiones musculares de cualquier usuario, así como mejorar la elasticidad muscular y la condición física en general a través del estiramiento de las cadenas musculares, se caracteriza porque se constituye a partir de dos bastidores rectangulares (1 y 2) articulados entre sí, uno de mayor longi