The aspiration test reveals an instability of the posterior horn of the lateral meniscus in almost one-third of ACL-injured patients. - Jacquet, Christophe; Mouton, Caroline; Magosch, Amanda; Komnos, George A.; Menetrey, Jacques; Ollivier, Matthieu; Seil, Romain (Knee Surgery, Sports Traumatology, Arthroscopy, 2022)