Table 1. Description of the study variables. Variable Categories Sport Football, Basketball, Handball, Roller Hockey, and Futsal Sex Male, Female Team Levels Professional (athletes playing over 18 years old status team) / Youth (athletes playing in junior or lower categories, between 8 and 17 years) Surface of Injury Outdoor (Football) and Indoor (Basketball, Handball, Hockey and Futsal) Anatomical Location Knee, Ankle, Foot, Hip and Groin, Buttocks and Pelvis, Shoulder, Elbow, Hand and wrist, and other body locations*. Specific Tendinopathies Patellar Tendon, Achilles Tendon, Proximal Tendon, Thigh Adductor, Proximal Tendon of the Femoral Rectus, and Proximal Tendon of the Hamstrings. *Other tendinopathies include those less common than 3%, mainly those of the upper body.