Advantages of the direct anterior approach for total hip replacement include a muscle-sparing surgical technique without the need for postoperative hip precautions that can delay functional recovery.

Proponents of minimally invasive total hip arthroplasty techniques have pointed to traits such as shortened surgical scar lengths, decreased soft-tissue trauma, diminished blood loss, and quicker pain and functional recovery.
(Brett D. Crist , MD; Conrad B. Ivie , MD; B. Sonny Bal , MD, JD, MBA JBJS Reviews, 2014 Jun; 2 (6): e4. https://doi.org/10.2106/JBJS.RVW.M.00086) 

Useful Links

• Dr Riehl, colleage gives general overview of Direct Anterior approach
• Anterior hip patients talking about their experience
• Stryker video about Direct Anterior Appraoch