| FVC | Forced vital capacity |
| HFMSE | Hammersmith Function Motor Scale Expanded scale |
| N-S | Non-sitters |
| OA | Onasemnogene abeparvovec |
| ROM | Range of Movements of joints with contracture |
| RULM | Revised Upper Limb Module scale |
| S | Sitters |
| tSCS | transcutaneous Spinal Cord Stimulation |
| W | Walkers |
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