THEORETICAL FRAMEWORK The physical abilities associated with accelerations, decelerations, and rapid changes of direction (CODs) are considered key components in the match demands of various team-sports (Abdelkrim et al., 2010). A recent systematic review showed that there are approximately 500 to 3000 changes of activity throughout...

Dr. Jesús Olmo is a specialist in Rehabilitation and Prevention of orthopedic and sports injuries, as well as expert in the health and performance of professional athletes. He is co-founder and director of the Football Science Institute. After heading the medical services of the Spanish...