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Anterior Hip Replacement

Anterior Hip Replacement in South Florida: What Muscle-Sparing Actually Means

The anterior approach to hip replacement uses an internervous interval between muscles rather than cutting through them. Most patients in my practice do not receive the old list of

Dr. Steven Denyer, MD, MS·October 20, 2026·6 min read

What Muscle-Sparing Really Means

When we talk about anterior hip replacement in South Florida, the term muscle-sparing refers to the anatomic corridor we use to reach the hip joint. The direct anterior approach passes between the tensor fasciae latae on the lateral side and the sartorius and rectus femoris on the medial side. This interval is internervous—the muscles on either side are supplied by different nerves—and intermuscular, meaning we work between muscles rather than cutting through them.

In contrast, other approaches may require detachment of the gluteus medius, gluteus minimus, or short external rotators. Those muscles are important hip stabilizers. By leaving them attached, the anterior approach preserves the natural architecture of the hip. According to the Hospital for Special Surgery, this preservation is one reason many surgeons favor the anterior technique for appropriate candidates.

The bikini incision is a skin-level modification of the same deep anterior interval. Instead of a vertical skin cut, we make an oblique incision that follows a natural skin crease. The deep dissection—the internervous plane—remains identical. Many patients appreciate the cosmetic result, and the surgical exposure is excellent for cup positioning and leg-length management.

Who Is a Candidate?

Most patients with hip arthritis, avascular necrosis, or certain fractures are candidates for the anterior approach. In my practice, body habitus, prior surgery, and bone quality guide the final decision. Very muscular thighs, severe obesity, or complex revision cases may be better served by a different approach. I evaluate each patient individually at clinic visits in UHealth HSS SoLé Mia, UHealth Tower, and UHealth Boca Raton.

The anterior approach is not automatically better for everyone. It is one tool in a complete surgical toolkit. What matters is matching the approach to your anatomy and goals.

Recovery and the Hip-Precaution List

In my anterior-approach practice, most patients do not have the old list of hip precautions. That list—no bending past ninety degrees, no crossing legs, no low chairs—was designed to prevent dislocation when posterior or lateral stabilizers were detached and then repaired. Because the anterior approach leaves those structures intact, the risk profile is different.

You will still receive individualized instructions. Early on, we focus on wound care, managing swelling, and rebuilding strength and balance. Physical therapy begins the day of surgery or the next morning. Many patients walk with a walker or cane for a few weeks, then transition to unassisted walking as strength returns.

Typical recovery in healthy candidates includes return to driving in two to four weeks, return to desk work in two to four weeks, and return to recreational activities over two to three months. If you were already golfing, swimming, cycling, or playing tennis before arthritis limited you, the goal of surgery is to send you back to those activities without the arthritis pain. I do not impose long-term restrictions on sports you were already doing. The only honest caveat is that a new hip does not create a sport you have not done in decades. Someone who still golfs or skis, even with pain, is the patient who goes back.

Published series in the Journal of Arthroplasty and Clinical Orthopaedics and Related Research show that patients who were active before surgery commonly return to those activities. That is the goal here.

Risks and How We Lower Them

Every surgery carries risk. For anterior hip replacement, the main concerns include infection, blood clots, fracture, stiffness, dislocation, lateral femoral cutaneous nerve irritation, wound issues, and wear or loosening over time. Medical complications such as heart or lung events are possible in any operation.

We pair each risk with a prevention strategy. Infection risk is lowered with preoperative skin preparation, intravenous antibiotics, and sterile technique. Blood-clot risk is managed with early mobilization and medication when indicated. Fracture risk is minimized by careful broaching and implant sizing. Dislocation risk is lower with the anterior approach compared with techniques that detach posterior stabilizers, though it is not zero. Lateral femoral cutaneous nerve irritation can cause numbness on the outer thigh; most cases improve over weeks to months.

In my practice, we use AI fluoroscopic navigation during the anterior approach to confirm cup position, offset, and leg length in real time. This technology improves planning and precision. The surgeon makes every decision; the system provides data to guide those decisions.

How This Practice Approaches Anterior Hip Replacement

I perform muscle-sparing hip replacement Miami at UHealth HSS SoLé Mia and UHealth Tower using the direct anterior approach. When anatomy and patient preference align, I offer the bikini incision. Fluoroscopic navigation assists with cup positioning and leg-length management. Same-day discharge is available at UHealth HSS SoLé Mia and UHealth Tower for appropriate patients who meet medical and social criteria.

Clinic visits are available at UHealth HSS SoLé Mia, UHealth Tower, and UHealth Boca Raton. I am bilingual in English and Spanish. You can call 305-243-3000 to schedule at any of the three locations, or request a visit online at miamijointreplacement.com/book.

Frequently Asked Questions

Will I need the old hip-precaution list after anterior hip replacement?
In my anterior-approach practice, most patients do not receive the traditional list of hip precautions. Your plan is individualized. We focus on wound care, strength, and balance in the first weeks.

How long does a hip replacement last?
Modern hip replacements are designed as long-term solutions. Large registries report high survivorship into the second decade for many patients, and newer designs are hoped to last longer. Individual results vary. No implant is guaranteed for a set number of years.

Can I return to golf, tennis, or skiing after anterior hip replacement?
If you were already doing those sports before arthritis limited you, the goal of surgery is to send you back without the arthritis pain. I do not restrict you from the sports you already did. We time the first season so you are strong enough to enjoy it. A new hip does not create a sport you have not done in decades, but it does restore function for the activities you were doing.

Further Reading

Schedule a Consultation

If you are considering anterior hip replacement in South Florida, I invite you to schedule a consultation at UHealth HSS SoLé Mia, UHealth Tower, or UHealth Boca Raton. Call 305-243-3000 or request a visit at miamijointreplacement.com/book. We will review your imaging, discuss your goals, and build a plan that matches your anatomy and lifestyle.


Educational information from the practice of Steven Denyer, MD, MS. It is not a diagnosis, treatment plan, or a promise of results. Joint replacement is surgery and carries risks. Suitability, recovery, and implant longevity vary. Discuss your own health, imaging, and goals with a qualified orthopedic surgeon before making a decision.

Educational information only. Individual candidacy, outcomes, and recovery timelines vary and require medical evaluation.

Written by

Dr. Steven Denyer, MD, MS

Harvard-trained joint replacement surgeon. Specialist in minimally invasive anterior hip replacement, and robotic partial knee and total knee replacement in South Florida.

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