What are the necessary exercises after hip revision surgery ?

Depends on technique: Generic answers for hip revision are to strengthen muscles around the hip, avoid falls, and regain endurance. Caution is required for the first 6-8 weeks post surgery to avoid dislocating the prosthesis until,,it scars into place. Depending in the surgical approach you should have been told to avoid hyper flexion of the surgical hip or hyper extension. Review your instructions or call your surgeon