Acronym	Definition
AB	Able-bodied
AFF	Atypical Femoral Fracture
AIS	ASIA Impairment Scale
ASIA	American Spinal Cord Injury Association
BMD	Bone Mineral Density
CI	Confidence Interval
CPG	Clinical Practice Guideline
CTX-1	C-terminal Cross-linking Telopeptide of Type I Collagen
DXA	Dual Energy X-ray Absorptiometry
DF	Distal Femur
FES	Functional Electrical Stimulation
FSH	Follicle-Stimulating Hormone
HR	Hazard Ratio
IGF-1	Insulin-like Growth Factor 1
IV	Intravenous
LH	Luteinizing Hormone
NMES	Neuromuscular Electrical Stimulation
NTX-1	N-terminal Cross-linking Telopeptide of Type I Collagen
OC	Osteocalcin
ONJ	Osteonecrosis of the Jaw
OPG	Osteoprotegerin
ORIF	Open Reduction with Internal Fixation
PTH	Parathryroid Hormone
P1NP	Procollagen 1 Intact N-Terminal Propeptide
pQCT	Peripheral Quantitative Computed Tomography
PT	Proximal Tibia
PVA	Paralyzed Veterans of America
RANKL	Receptor Activator of Nuclear factor kappa-Β Ligand
SCI	Spinal Cord Injury
SCI/D	Spinal Cord Injury/Disease
ZA	Zolendronic Acid