骨质疏松症亦称为松骨症，就是骨骼变得比较脆弱、容易断裂。我们全身的骨骼都是由皮质骨和海绵骨所组成的。皮质骨的结构密实，通常构成骨骼外面的部分，海绵骨则比较疏松但是代谢力比较旺盛，通常是骨骼内部的主要成分，含有较多海绵骨的股骨、肱谊、桡骨和脊椎骨是常见到的 Osteoporosis, also known as osteoporosis, is the bone that becomes fragile and prone to rupture. Our whole body consists of cortical and sponge bones. Cortical bone structure is dense, usually constitute the outer part of the skeleton, sponge bones are loose but the metabolism is relatively strong, usually the main component of the skeleton, with more sponge bones femoral, brachial, radial and vertebral bone is common