MODERN CLASSIFICATIONS OF FRACTURES OF THE TROCELLAR REGION OF THE PROXIMAL FEMIR proximal femur, trochanteric fracture, osteosynthesis, blocking osteosynthesis, endoprosthesis of the hip joint Ergali Nabiev, S. Beisenbekov, S. Mardenova, S. Sauranbaeva, Е. Abilda https://doi.org/10.54890/1694-6405_2022_5_33