The method of evaluating the dysfunction of the cervical spine by mounting on the patients head a measuring device for determining the position of the head relative to the trajectory that the patient is expected to reproduce by the movement of his head, where the measuring device is connected via an interface to the expert system on a computer. Then the calibration of the data acquisition module of the expert system is started and the patient, using a laser pointer mounted as well on his head indicates the calibration points displayed on a computer monitor or projector connected to a computer, then the points are allocated in memory of the data acquisition module of the expert system to the given location of the patients head relative to the calibration points, forwarded by the measuring device placed on the patients head. Subsequently, the screen with the expected head movement trajectory is selected from among boards with head movement trajectories stored in the memory of the test preparation module of the expert system corresponding to a condition of the patient and the patient is examined by trying to follow the trajectory displayed on a computer monitor or projector with a computer with his heads movement. The trajectory of the patients head, taken by the laser pointer, is introduced in form of signals from the measuring device containing the patients head position during the examination, by means of the data acquisition module of the expert system to the data analysis module of the expert system comparing the trajectory given to the trajectory retrieved from the patients head movement and reads on the monitor of the computer, given by the presentation of the test results module of the expert system, the examination results in form of quantity and quality of mistakes made by the patient when trying to reproduce the trajectory by moving his head, for the determination of the probability of disease of the cervical spine and choose the method of rehabilitation.