The bone mass of an elderly person is less than a young adult. The bone mass can be even more diminished if the elderly person has osteoporosis. Besides bone mass, there are other changes of the skeleton that occur with age:
The sutures of the skull, which ...
The expert compares a young adult skeleton to that an extremely aged person relative to bon mass in general and the bondy structure of the skull, thorax, and vertebral column in particular.