Siestas - operative treatment of false joints and bone defects legs and forearms, lies in the connection between a pair of bones (tibial and peroneal, radial and ulnar) using metal screws and wood screws or bone pins. After synostosis one of the pair of bones as if unloads another, ensuring sustainable immobilization (see) ends of fragments. The operation of synostosis shown more often in complicated false joints (see) and bone defects.