Varia No 139, 2023/1 - 128 pagesPages 5 to 23Organization of outdoor sporting events and security: an approach in terms of rules appropriationBy Sandra Seyssel, Bastien Soulé, Frédérique RouxPages 25 to 43Robert Mérand and the “new type” of training courses (1936–1981): The story of an activist and his commitment to reforming the training of physical education teachersBy Nicolas HibonPages 45 to 56Coaches’ knowledge of neuroscienceBy Camille Schmitt, Jean FournierPages 57 to 73Action observation combined with motor imagery: Influence of the type of video model on the performance of the basketball free throw in middle school studentsBy Vanessa Hatchi, Robin NicolasPages 75 to 95Training young “national” soccer players. A case study of the complexities of a volunteer position in an amateur sports club in Seine-Saint-DenisBy Cyril NazarethPages 99 to 113Horses and soccer players. Working for the sportBy Jocelyne Porcher, Sophie BarreauReviewsPages 117 to 120Didier Delignières, On peut toujours penser autrement… L’école, l’université, l’éducation physique et sportive, Paris, Éditions EP&S, coll. “Activités physiques et sports. Recherche et formation” , 2021, 265 pages.By Jérôme VisioliPages 121 to 122Bernard Amy, Ceux qui vont en montagne. Psychologie de l’alpiniste et approche du risque, Grenoble, Presses universitaires de Grenoble, Hors-série de la coll. “Sciences cognitives” , 2020, 180 pages.By André SuchetPages 123 to 124Didier Séguillon, Activité physique adaptée et sociohistoire. Le domaine STAPS Activité physique adaptée aux publics à besoins particuliers ou spécifiques, Paris, L’Harmattan, coll. “Mouvement des savoirs” , 2020, 260 pages. Foreword by Bernard Andrieu.By Jacques Mikulovic