Andrea Celli is an Orthopedic Surgeon at the Shoulder and Elbow Unit at Hesperia Hospital in Modena, Italy. He has dedicated his training to shoulder and elbow surgery, with several fellowships in particular to the Mayo Clinic where he was able to hone his expertise in elbow surgery, cooperating with the Orthopedic department, in particular with Dr. Morrey. He has written and prepared numerous publications and presentations for national and international conferences on elbow and shoulder surgery. He is a member of the Italian Society of Shoulder and Elbow Surgery, International Society of Arthroscopy, Knee Surgery and Orthropaedic Sport Medicine, honorary member of the South American Society of Shoulder and Elbow Surgery, and a member of the Mayo Elbow Club. He is a reviewer of the Journal of Shoulder and Elbow Shoulder Surgery and of the Musculoskeletal Journal and other journals.

Luigi Celli is currently responsible for the Shoulder and Elbow Unit at Hesperia Hospitalin Modena, Italy. From 1990 to 2011 he was Director of the Orthopedic and Traumatology Unit at University Hospital, Policlinico of Modena, Italy. He is currently chief for different groups of study and research in elbow and shoulder surgery. Prof. Celli was a founding member of the Italian Society of Shoulder and Elbow Surgery, which he was president of for several years. He is also a member of the European Society of Shoulder and Elbow Surgery (board member and executive committee member 1998-2006), and an associated member of the American Society of Surgery - Shoulder and Elbow. He is the author of many publications and presentations, as well as the editor of many books, in the field of upper limb surgeries and in particular on shoulder, elbow and peripheral nerve disorders.

1. THE ELBOW JOINT.- 2. THE MUSCLE AND TENDON SYSTEM.- 3. CUTANEOUS AND MUSCULAR NERVES.- 4. UPPER ARM BLOOD SUPPLY.- 5. EXTENSILE LATERAL AND POSTEROLATERAL EXPOSURES.- 6. EXTENSILE MEDIAL AND POSTEROMEDIAL EXPOSURES.- 7. EXTENSILE POSTERIOR EXPOSURES.- 8. EXTENSILE ANTERIOR EXPOSURES.- 9. SELECTED LATERAL EXPOSURES: Posterior interosseous nerve entrapment and compression neuropathy.- 10. SELECTED LATERAL EXPOSURES: Lateral epicondylitis (tennis elbow).- 11. SELECTED LATERAL EXPOSURES: Radial head fractures.- 12. SELECTED LATERAL EXPOSURES: Lateral ulnar collateral ligament lesion.- 13. SELECTED LATERAL EXPOSURES: Extrinsic post-traumatic stiff elbow: lateral limited approach (column approach).- 14. SELECTED MEDIAL EXPOSURES: Medial collateral ligament reconstruction.- 15. SELECTED MEDIAL EXPOSURES: Extrinsic post-traumatic stiff elbow: limited medial approach.- 16. SELECTED MEDIAL EXPOSURES: Medial epicondylitis.- 17. SELECTED MEDIAL EXPOSURES: Ulnar nerve entrapment.- 18. SELECTED MEDIAL EXPOSURES: Coronoid fracture in complex elbow instability.- 19. SELECTED POSTERIOR EXPOSURES: Primary osteoarthritis.- 20. SELECTED POSTERIOR EXPOSURES: Snapping of the medial head of the triceps tendon.- 21. SELECTED POSTERIOR EXPOSURES: Monteggia lesions.- 22. SELECTED POSTERIOR EXPOSURES: Longitudinal instability of the forearm.- 23. SELECTED POSTERIOR EXPOSURES: post-traumatic proximal radioulnar synostosis.- 24. SELECTED POSTERIOR EXPOSURES: Distal triceps tendon rupture.- 25. SELECTED ANTERIOR EXPOSURES: Distal biceps tendon ruptures.- 26. SELECTED ANTERIOR EXPOSURES: Neurological disorders: elbow and forearm contractures.- 27. SELECTED ANTERIOR EXPOSURES: Compression of the lateral cutaneous nerve of the forearm.- 28. SELECTED ANTERIOR EXPOSURES: median nerve entrapment.