It is the minimally invasive method that eliminates damage to muscles, tendons, etc.
https://www.chowhipandknee.com/superpath-total-hip-replacement-hip-knee-specialist-phoenix-arizona/
The ultimate outcome will probably be the same if you have a skilled surgeon whether she uses the posterior approach (original and old approach); anterior approach (newer methodology or Superpath (newest technology). But as you move from posterior to anterior to superpath the initial surgical pain decreases. I had none.

Traditionally there are all kinds of instructions for hip replacement patients. Don't cross your legs, etc. etc. Dr. Chow came into the surgical center the morning of my operation and he had a ten page document from the hospital with all those instructions. He threw them away and told me that there are only two instructions: Be a couch potato for five weeks because he can't make bones grow and they need to grow around the implant and take your medicine.

At the moment, there are not a lot of surgeons who are trained in Superpath. For example, in greater Phoenix there are two Superpath surgeons: Dr. Chow (who invented the technique) and Judd Cummings.