Muscle injuries in sports, biology of the repair with application to clinical practice; aetiology and pathogenesis of chronic tendon injury in sports; tendon injury in sports - non-operative and surgical treatment; biomechanical background of the reconstuction of the anterior cruciate ligament; healing of ligament injuries - from basic science to clinical practice; scientific basis for the treatment of ankle ligament injuries; pathophysiology and treatment principles of rotator cuff problems in athletes; joint loading alters prostoglandins, collagen and biomechanical properties of articular cartilage; meniscus injuries of the knee joint, pathophysiology and treatment principles; patellofemoral problems in sport, research and practice.