Safety system for moving an articulated crane, comprising: - said articulated crane, comprising a plurality of bodies (102, 103', 103", 104) consecutively connected in order to form an open kinematic chain, and/or a winch, and a plurality of actuators (108, 109, 111, 117) for moving said bodies and/or said winch; - one or more sensorized clamping members which connect parts of said articulated crane, apt to detect a stress acting on them and to provide signals representative of said stress; - a user interface device configured to command the movements of the articulated crane by an operator, wherein said articulated crane comprises a control unit operatively connected to said actuators, to said user interface device and to said one or more sensorized clamping members, configured to command, responsive to commands of the operator on the user interface device, said actuators according to regular operative parameters such that the articulated crane performs movements commanded by the operator, characterised in that said control unit is further configured to command, responsive to commands of the operator on the user interface device, at least some of said actuators according to operative parameters modified as a function of said signals representative of the stress, different from the regular operative parameters. - said articulated crane, comprising a plurality of bodies (102, 103', 103", 104) consecutively connected in order to form an open kinematic chain, and/or a winch, and a plurality of actuators (108, 109, 111, 117) for moving said bodies and/or said winch; - one or more sensorized clamping members which connect parts of said articulated crane, apt to detect a stress acting on them and to provide signals representative of said stress; - a user interface device configured to command the movements of the articulated crane by an operator, wherein said articulated crane comprises a control unit operatively connected to said actuators, to said user interface device and to said one or more sensorized clamping members, configured to command, responsive to commands of the operator on the user interface device, said actuators according to regular operative parameters such that the articulated crane performs movements commanded by the operator, characterised in that said control unit is further configured to command, responsive to commands of the operator on the user interface device, at least some of said actuators according to operative parameters modified as a function of said signals representative of the stress, different from the regular operative parameters. wherein said articulated crane comprises a control unit operatively connected to said actuators, to said user interface device and to said one or more sensorized clamping members, configured to command, responsive to commands of the operator on the user interface device, said actuators according to regular operative parameters such that the articulated crane performs movements commanded by the operator, characterised in that said control unit is further configured to command, responsive to commands of the operator on the user interface device, at least some of said actuators according to operative parameters modified as a function of said signals representative of the stress, different from the regular operative parameters.