“… 3 , 5 , 7 , 15 , 16 , 19 , 28 , 30 , 34 About 75% of patients had a computed tomography scan in conjunction with a plain radiograph. 3 , 7 , 14 , 15 , 27 , 34 , 35 All studies, except one, 30 defined the medial end of the clavicle to be either the medial 1/5 or 1/3 of the clavicle. Twelve studies 3 , 5 , 7 , 14 , 15 , 19 , 22 , 23 , 24 , 27 , 35 , 37 defined fracture displacement using either the Robinson (>100% translation of major fracture fragments), 22 Throckmorton (>10 mm displacement), 33 or AB (no contact between fracture ends) 35 classification systems ( Table I ) with 3 studies having no definition.…”