ObjectiveTo explore the mechanism among fear avoidance belief, psychological flexibility and phobia behavior in patients with chronic low back and leg pain, and improve the intervention effects of medical staff on specific pain psychology.

MethodsA total of 250 patients with lumbar disc herniation were surveyed using the General Information Questionnaire, Fear-Avoid Faith Questionnaire, Acceptance and Action Questionnaire and Tampa Score for Dysxia, and the data were statistically analyzed using SPSS24.0 software.

ResultsThe total average scores of fear-avoidance belief, psychological flexibility and anxiety disorder Tampa were 48.00(33.75, 59.00), 24.00(18.00, 29.00)and 43.00(37.00, 46.00), respectively.The fear avoidance belief were negative correlation with psychological flexibility(P < 0.01), and positive correlation with fear score(P < 0.01).The psychological flexibility was negative correlation with fear score(P < 0.01).The direct effect of fear avoidance belief on fear behavior was 0.93, the indirect effect of transformational leadership on its relationship was 0.46, and the mediation effect accounted for 33% of the total effect.

ConclusionsIn this study, the scores of fear avoidance belief and phobia behavior of patients is just above the medium level, and the psychological flexibility was at the medium level.Encouraging the expression of the own emotions and continuous improving the pain response belief can improve the recovery outcome of patients.