| AVNFH | Avascular Necrosis of the Femoral Head |
| FWB | Full Weight Bearing |
| HHS | Harris Hip Score |
| IQR | Inter Quartile Range |
| NIH | National Institute for Health |
| MRI | Magnetic Resonance Imaging |
| NWB | Non-Weightbearing |
| OA | Osteoarthritis |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analysis |
| PROMS | Patient Reported Outcome Measures |
| PWB | Partial Weightbearing |
| THR | Total Hip Replacement |
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