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