BMD Bone mineral density CP Cerebral palsy CT Computed tomography DMD Duchenne Muscular Dystrophy DXA Dual-energy X-ray absorptiometry GMFCS Gross Motor Function Classification System pQCT Peripheral Quantitative Computerised Tomography SCI Spinal cord injury Introduction Osteoporosis and fragility fractures are common complications of bone disease, leading to early mortality, functional disability, reduced quality of life and substantial economic burden.1 Although risk factors, diagnostics...