Chief Physician, Doctor of Medicine, Master's Supervisor. Diagnosis and arthroscopic minimally invasive treatment of sports injuries of the shoulder, elbow, wrist, hip, knee, and ankle joints. This includes arthroscopically assisted reduction and internal fixation of intra-articular fractures; arthroscopic treatment of rotator cuff tears, labral injuries, shoulder dislocation, acromioclavicular joint dislocation, frozen shoulder (adhesive capsulitis), and irreparable massive rotator cuff tears; arthroscopic treatment of elbow stiffness, instability, medial and lateral epicondylitis, and loose bodies; arthroscopic treatment of wrist TFCC injuries, distal radioulnar joint dislocation, and carpal tunnel syndrome; arthroscopic treatment of hip labral tears, femoroacetabular impingement, hip dysplasia, femoral head necrosis, and gluteal muscle contracture; arthroscopic treatment of knee meniscal injuries, anterior and posterior cruciate ligament injuries, cartilage injuries, and patellar dislocation; and arthroscopic surgery for ankle ligament and cartilage injuries, and impingement syndrome.