Introduction
bone metabolic disease, fractures, Osteoporosis
FRAGILITY, OSTEOPOROSIS
Osteoporosis is a progressive bone metabolic disease characterized by compromised bone strength, which leads to increased bone fragility and risk of fractures [Japan has the largest aging population in the world [While dual-energy X-ray absorptiometry (DXA) and quantitative computed tomography (QCT) are common tools for measuring BMD [