Racket sports continue an unstoppable rise in the sporting world in many aspects, such as the number of players, events and, of course, scientific research. This rise has to do with the increase in the sporting life of great players; which, in turn, is a product of the growth of scientific literature and its application to training. In this sense, we can cite as an example the current retirement of Roger Federer at the age of 41, a fact that a few decades ago would have been unlikely. And it is not the only case since the Spaniard Rafael Nadal continues to win titles despite his advanced age for sport.

There may be many and varied reasons for this "longevity" effect in racket sports, but without a doubt, the increase in human and technological resources, transferred from scientific research, is undoubtedly one of them. And in this sense, the International Journal of Racket Sports Science continues to offer knowledge and experience from all continents to contribute to this growth.

This issue is a tangible example of this fact. In this sense, systematic reviews allow us to have a map of the research in a subject, a useful aspect not only for researchers but also for technical teams. And in the present issue, two are presented, related to sports injuries, one by Larsson and collaborators, and the other by Fahlström and Zeisig, both of which focus on lower or upper limbs, analysing racket sports globally, allowing notes and similarities that help the coach in the key points in the prevention of these target injuries in these sports modalities.

At the same time, the current importance of technological advances has been highlighted, which are facilitating the analysis of data for diagnostic and training purposes in the athlete, as is the case with the contribution in this issue of Gawin et al. with an interesting contribution of a sensor integrated in the badminton racket (Oliver® Plasma TX 5), as an added value of the observational methodology. As well as the importance of the analysis of technique by means of advanced technology, such as the study by Ruiz-Malagón et al., analysing the biomechanical differences in the technical gesture of the one-handed and two-handed backhand, which has a direct application in the teaching-learning process in players in training.

Therefore, for yet another issue, the International Journal of Racket Sports Science continues to provide research and scientific evidence that has a direct impact on the technological and human progress of technical teams in racket sports.

Gema Torres
Associated Editors of the IJRSS
Full professor at the University of Jaen (Spain)