The effect of acceptance and commitment-based therapy (ACT) on mental toughness and mental vitality in adolescents with sports injuries

The aim of this study was to investigate the effect of acceptance and commitment-based therapy on mental toughness and mental vitality in adolescents with sports injuries. The research design was quasi-experimental and was a pre-test-post-test design with a control group. The statistical population of the present study consisted of all injured sports athletes in national teams, leagues and clubs and national competitions in 1400 in the city of Khorramabad, from which 30 people were selected by available means and in two A group of 15 people (experimental group and control group) were replaced by random assignment. Then, in the pre-test, all subjects completed the Ahvaz Hardiness Inventory or AHI and Mental Vitality Questionnaires of Ryan and Frederick. In the next step, the experimental group had 8 sessions of 90 minutes (twice a week). The data were analyzed using multivariate analysis of covariance and SPSS software version 22. The results of the post-test research from both groups showed that the scores of mental toughness and mental vitality of the experimental group in the post-test were significantly higher than the pre-test. Based on the results of the present study, treatment based on acceptance and commitment has been effective in improving the mental toughness and mental vitality of injured adolescent's athletes.