PART 1 Proximal humerus: 1 Main anatomy -- 2 Understanding the Fracture -- 3 Operating theatre setup.- 4 Closed reduction principles -- 5 Surgical Approaches -- 6 Percutaneous fixation: when and how -- 7 ORIF in three-/four-part fractures -- 8 Intramedullary nail rationale and surgical technique -- 9 Anatomical shoulder arthroplasty -- 10 Reverse total shoulder arthroplasty -- 11 Surgical neck fracture.- 12 The tuberosities -- 13 Malunions of the tuberosity -- 14 Nerve injuries -- 15 Fracture dislocations -- 16 Treatment of the sequelae -- 17 Conservative treatment -- PART 2 The diaphysis: 18 Surgical anatomy -- 19 Radial palsy and humerus fractures -- 20 Internal Fixation: plate or IM Nail -- 21 External fixation -- 22 Periprosthetic fracture -- PART 3 Distal Humerus: 23 Surgical anatomy -- 24 Surgical approaches and fracture pattern -- 25 Internal fixation principles -- 26 Prosthesis -- 27 External fixation when and how -- 28 Malunion and non union -- 29 Terrible triad.