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Fracture of the proximal humerus is a common and debilitating injury occurring mainly in elderly females and accounts for 4-5% of all adult fractures. Patients with displaced, unstable proximal humeral fractures may have improved outcomes if managed operatively. Objectives: To study the effect of using Joshi′s external stabilizing system (JESS) for the management of fractures of proximal humerus in elderly. Materials and Methods: This prospective study was conducted in a tertiary care hospital in West Bengal on 28 subjects with proximal humerus fractures. As per Neer′s classification, 3- and 4-part fractures were included and prepared for JESS fixation. The results of the treatment were evaluated as per Neer′s criteria. Patients were followed up for 10 − 12 months. Results: Among 18 females and 10 males, 22 had 3-part fracture and 6 had 4-part fracture. Mean duration of JESS application was 10 weeks. Among patients with 3-part fractures 4 cases had excellent result, 12 had satisfactory result, 4 had unsatisfactory result and treatment failed in 2 cases. With 4-part fractures, 2 cases had unsatisfactory result and 4 cases were failures. Conclusion: JESS is an alternative option for the treatment of proximal humerus fractures, especially in elderly patients with osteoporosis, showing excellent to good results in cases of Neer′s type 3-part fracture.