Anti-RANKL	Anti-Receptor Activator of Ligand
CON	Control group
CT	Computed tomography
CTCAE	Common Terminology Criteria for Adverse Events
CTV	Clinical target volume
EORTC	European Organization for Research and Treatment of Cancer
3DCRT	Conventional 3D conformal radiotherapy
Gy	Gray
IC	Informed consent
IMRT	Intensity-modulated radiotherapy
INT	Intervention group
IPMT	isometric paravertebral muscle training
MRI	Magnetic resonance imaging
OMED	Oral morphine equivalent dose
OS	Overall survival
PTV	Planning target volume
QOL	Quality of life
RT	Radiotherapy
SBRT	stereotactic body radiotherapy
SIB	Simultaneously integrated boost
SINS	Spinal Instability Neoplastic Score
USM	Unstable spine metastases
VAS	Visual analog scale
VCF	Vertebral compression fracture
VMAT	Volumetric modulated arc therapy