| 25(OH)D | 25-hydroxyvitamin D |
| BM | Body Mass |
| BMI | Body Mass Index |
| CP | Cerebral Palsy |
| GMFCS | Gross Motor Function Classification System |
| IFCPF | International Federation of Cerebral Palsy Football |
| IPAQ | International Physical Activity Questionnaire |
| KE iMVC | Knee Extensor Isometric Maximal Voluntary Contraction |
| LBM | Lean Body Mass |
| PA | Physical Activity |
| PF | Plantar Flexor |
| PTH | Parathyroid Hormone |
| TDC | Typically Developed Controls |
| TSE | Total Sun Exposure |
| UV | Ultraviolet |
| VL ACSA | Vastus Lateralis Anatomical Cross-Sectional Area |
| VJ | Vertical Jump |