Profile of hamstring specific training according to sex and discipline, and with the history of HMI during the entire career (upper part of the figure) and during the 2017–18 season (lower part of the figure), in female (F) and male (M) athletes. The colours represent the prevalence of athletes with HMI in percentage, the targets present the mean score for athletes belonging to the sex × discipline category, for each of the four hamstring specific training types: hamstring strengthening (up), hamstring stretching (right), core stability conditioning (down), and sprint running at maximal intensity/velocity (left).