Hip Replacement Rehab Exercises If you want to improve your single leg balance and also your ability to move the operated leg enough so you can start walking up stairs better then give this a go. Often after hip replacement surgery (arthroplasty) getting the hip moving can be difficult. Often it feels stiff and painful and all the movements you should be doing are sometimes ignored. Having had osteoarthritis for so long in the run up to having a new hip, the weakness around the hip can take a wh