Snapshot A 63-year-old man presents to the emergency room with left arm pain after falling off the second step of his ladder. He has significant pain over the middle of his left arm. On exam, he is tender to palpation along the middle of his left arm and a small deformity is appreciated. He has weakness in wrist extension and metacarpal phalangeal joint extension. Radiographs of his left arm demonstrate a spiral midshaft humeral fracture. He is placed in a coaptation splint and discharged with plans to follow-up in one week. Introduction Clinical definition login to view 1 more bullet Epidemiology login to view 9 more bullets Etiology login to view 2 more bullets Pathoanatomy login to view 3 more bullets Associated conditions login to view 3 more bullets Prognosis login to view 4 more bullets Presentation Symptoms login to view 2 more bullets Physical exam login to view 6 more bullets Imaging Radiography login to view 7 more bullets Differential Distal humerus fracture login to view 2 more bullets Proximal humerus fracture login to view 2 more bullets Treatment Nonoperative login to view 3 more bullets Operative login to view 3 more bullets Complications Radial nerve palsy login to view 2 more bullets