Effect of three dimensional roller vestibular function training on vestibular stability and cardiovascular function

  AIM  To explore the changes of heart rate, blood pressure, pupil diameter and vestibular symptoms of the subjects after vestibular function training with three-dimensional roller and to provide experimental basis for the establishment of three-dimensional roller training program of vestibular function stability for pilots.

  METHODS  Eleven young male subjects were trained in one axial, two axial and three axial vestibular stimulation with three-dimensional roller, each axial training for 3 min. The interval time between stimulations was 10-20 min. The changes of pupil, blood pressure, heart rate and vestibular symptom score were observed before and after the training.

  RESULTS  Compared with those pre-training, the vestibular symptom scores of subjects after each axial training were significantly higher (P<0.05). The classification of vestibular function stability (0 degree 7,Ⅰdegree 3, Ⅱ degree 1, Ⅲ degree 0) and the minimum pupil diameter of right eye decreased significantly (P<0.05). The heart rate of the subjects during the biaxial and triaxial rotation was significantly higher than that before training and during one axial rotation (P<0.05).

  CONCLUSION  Three axial rotation stimulation produces moderate vestibular response, in which the heart rate increases significantly during the biaxial and triaxial rotation.