Total Hip Arthroplasty — Anterior Approach

Mammoth Orthopedic Institute / Mammoth Hospital PT · Lance Georgeson MPT; Approved by MD

Weight-Bearing

WBAT — wean walker to crutches to cane; avoid torque or twisting forces

Key Restrictions

No standing hip flexion with knee extension x6 weeks (then no restrictions unless spinal indications for lifetime); no impact/jumping x12 weeks; avoid SLR and very low chairs; Dr. Williamson specific: no combined ER with extension x3 months; micro current dressing dry until 2-3 week post-op visit; posterior approach precautions (if applicable): no hip flex >90 deg, no adduction past midline, no IR x6 weeks

Timeline & Phases

3 phases: Phase I (surgery to 4-6 wks, WBAT wean devices, ROM exercises, quad/glut activation, stationary bike high seat PRN), Phase II (6-8 wks, stairs without railing, 5/5 hip strength, squats/lunges/step-downs, agility), Phase III (8+ wks, return to work/ADLs/recreation, no impact x12 wks, independent HEP)

Notes

Lance Georgeson MPT 8/28/25 (most recent Mammoth THA protocol); primary anterior approach; Dr. Williamson-specific precaution: no combined ER with extension x3 months; posterior approach rarely used but precautions listed; CPM not mentioned; observe for DVT/infection; avoid overloading hip flexors with anterior approach in Phase II

Surgeon / Author

Lance Georgeson MPT; Approved by MD

Published

August 2025