| ACR | American College of Rheumatology criteria for KOA |
| BMI | body mass index |
| CG | control group |
| SG | study group |
| TUG | Timed Up-and-Go |
| SI | Symmetry Index |
| 6 MWD | Six-Minute Walk Distance |
| 6 MWT | Six-Minute Walk test |
| QHNI | height-normalized quadriceps thickness index |
| MRI | Magnetic Resonance Image |
| TENS | transcutaneous nerve stimulation |
| VAS | Visual Analog Scale |
| WOMAC | The Western Ontario and McMaster Universities Osteoarthritis Index |
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