Fig. 2From: Calcar screws and adequate reduction reduced the risk of fixation failure in proximal humeral fractures treated with a locking plate: 190 patients followed for a mean of 3 yearsA proximal humeral fracture in a 68-year-old female treated with a locking plate without calcar screws (left). Failure of fixation with varus collapse 6 weeks after primary surgery (right)Back to article page