Bones Adaptation. Overuse: Exercise. Bone Adaptation. Disuse: bone mass is reduced. Aging and Bone. Is it possible that we can compensate to age related changes in decreased bone density by changing geometry? Hip fractures. Bone Biology. Cells in fibrous organic matrix. Collagen. Cells.
Women-due to estrogen
Estrogen inhibits bone resorption
Modulus trabecular bone~50MPa, tensile strength ~3MPa
*** Example 6 in book ***
*** Examples 8 in book*****