The consideration when choosing a hip replacement approach—whether anterior, lateral, or posterior—is not one-size-fits-all. Orthopaedic surgeons weigh several patient-specific and surgical factors to decide the most appropriate method:

1. Surgeon Training and Experience

• Many surgeons favour the approach they were most trained and skilled in.
• The posterior approach is the most commonly taught and used.
• The anterior approach has a steeper learning curve but is gaining popularity.

2. Patient’s Body Type and Anatomy

• Slim or muscular patients may be better suited to the anterior approach.
• Obese patients or those with deep-set hips may not be ideal candidates for anterior access.
• Muscle bulk and pelvic shape affect exposure and surgical access.

3. Pre-existing Conditions

• History of prior hip surgeries or fractures may make one approach riskier than another.
• Patients with spinal fusions or abnormal pelvic tilt may be more prone to dislocation — influencing whether anterior (lower dislocation risk) is favoured.

4. Activity Level and Lifestyle

• Younger, active patients may benefit from anterior approach due to faster soft tissue recovery.
• Surgeons may also consider the patient’s ability to comply with post-op precautions, which are stricter in the posterior approach.

5. Risk of Dislocation

• The posterior approach has a slightly higher dislocation risk, especially in the first 6–12 weeks post-op.
• If dislocation risk is a concern, the surgeon might opt for anterior or lateral access, which preserve stabilising structures better.

6. Need for Implant Positioning Accuracy

• Some approaches (e.g. anterior) allow better fluoroscopy (X-ray) guidance during surgery.
• This may be important in patients with pelvic abnormalities or leg length discrepancies.

7. Muscle Preservation Goals

• The anterior approach spares the gluteal muscles, potentially reducing post-op weakness.
• However, if exposure is difficult or the patient’s anatomy limits access, a lateral or posterior approach may be chosen instead.

8. Revision or Complex Cases

• In revision surgeries, the posterior approach often gives better visibility and access to old implants or scar tissue.

🧑‍⚕️ Summary Table

Consideration	Anterior	Lateral	Posterior
Muscle sparing	✅ Best	❌ Cuts glute medius	❌ Cuts external rotators
Dislocation risk	🔽 Lowest	🔽 Lower	🔼 Higher
Surgical visibility	Moderate	Moderate	✅ Best
Early mobility	✅ Faster	Moderate	Moderate
Obese patients	❌ Less ideal	✅ Suitable	✅ Suitable
Surgeon training	🟡 Newer, fewer trained	🟢 Common	🟢 Most common
Revision surgery	❌ Not ideal	🟡 Sometimes	✅ Preferred

👣 Why This Matters for Physiotherapy

Understanding the surgical approach helps physiotherapists — especially in a home visit setting — to:

• Implement the correct precautions (e.g. no hip flexion past 90° for posterior)
• Adjust exercise selection (e.g. glute activation may be delayed for lateral)
• Safely guide daily tasks like sitting, dressing, and transfers
• Liaise with the surgeon if post-op pain or mobility issues suggest surgical complications

✅ Need Help Recovering After Hip Surgery?

If you or a loved one has recently had a hip replacement and needs support at home—especially outside clinic hours—After Hours Physio is here to help.
✅ Urgent home visits across Melbourne
✅ Tailored rehab for each surgical type and approach
✅ 7 days a week, including evenings and weekends

📞 Call us now or book online at www.afterhoursphysio.com.au

About the Author

Dominic Tan, APAM
Principal Physiotherapist & Founder – After Hours Physio

Dominic is an experienced Australian physiotherapist with a special interest in urgent pain management and home-based rehabilitation. He leads After Hours Physio, a home-visiting physiotherapy service in Melbourne, helping patients regain comfort and mobility outside standard clinic hours. Dominic is passionate about delivering evidence-based care where and when it’s needed most.

📞 Urgent home visits available 7 days a week
🌐 www.afterhoursphysio.com.au