Mission To contribute, through research, to the prevention of industrial accidents and occupational diseases and to the rehabilitation of affected workers; To disseminate knowledge and serve as a scientific reference centre and expert; To provide the laboratory services and expertise required to support the public occupational health and safety network. [...] A partial tear of the RC consists of the fraying of one or more of its tendons, while a full-thickness tear is an injury that crosses the full thickness of the tendon. [...] The HSROC model allows the results of different diagnostic studies to be pooled and synthesized, while taking into account the variability between (inter-) and within (intra-) the studies.19-22 The analyses using the HSROC model were performed using “R,” the free software environment for statistical computing ( version 3.0.2) to produce overall estimates of the Sn and Sp f [...] The importance of diagnostic accuracy thus depends only on the implications of the entire set of clinical variables and deficits in the clinical decision. [...] Self-report questionnaires, performance tests and mixed tools (1) The first inclusion criterion for the studies concerned the population under study; the population (all or part) had to present with a RC disorder; (2) for inclusion in the systematic reviews, the studies had to focus on one of the following self-report questionnaires on the shoulder or upper extremities: Disabilities of the Arm, Sh