Background: Subtrochanteric fractures account for around 7% to 34% of all femur fractures. Cephalo-medullary nailing is the gold standard in the repair of subtrochanteric femur fractures. Case presentation: We present a case of a medically free 21-year-old man, who was admitted with right thigh deformity and inability to bear weight after a motor vehicle accident. Standard pelvis and right femur radiographs showed a subtrochanteric femur with deformity forces of the fracture fragments. The patient was operated with cephalo-medullary nailing using a lowman bone holder. The fracture remained stable after cephalo-medullary fixation. The patient was discharged and was advised to continue follow up. Conclusion: Fixation of femur subtrochanteric fracture with cephalo-medullary nailing technique using a Lowman clamp showed excellent clinical and radiographic results and low complication rate.