Dr. Roger was one of the lead surgeons in a research project which compared muscle damage in hip replacement surgery. This research project show the least amount of muscle damage using the direct superior hip approach which was originally created by Dr. Roger.

Dr. Roger is actively involved in minimally invasive surgery of the hip as part of a national team of recognized experts in hip replacement surgery. This panel meets regularly to develop additional strategies for advancing minimally invasive hip replacement surgery in the United States.

Dr. Roger continues to develop advance strategies for early recovery knew replacement techniques. This involves a combination of specialized surgical techniques, innovative anesthesia approaches and integrated rehabilitation strategies. This has resulted in shorter hospital stays; lower complication rates and much faster recover rates for patients undergoing knee replacement surgery.
Dr. Roger is a leading authority on the Direct Superior Surgical Approach to the hip for minimally invasive hip replacement surgery.