Osteoporosis is a bone disease. Osteoporosis is a bone disease that can get worse over time. It can cause you to lose bone mineral density and bone mass, which can cause your bones to become fragile. You may not realize this is happening in your body because you can't feel your bones getting weaker. A 84 years old women with thin, small boned can has a broken bone at any time. Because of the weakness and she can also experience a fracture that wouldn’t occur in normal bone. Usually the symptoms of osteoporosis may not be visible unless she breaks her bone. The woman has a low bone mineral density. There is no cure for osteoporosis. She needs to control avec precautions her movement.
Osteoarthritis is a joint disease. As we get old we are exposed to have osteoarthritis. A female with 84 years is already inflammatory of her joint. Osteoarthritis can be cause by infection in the joint, chronic gout and rheumatoid disease. It can be genetic .It can be genetic for example someone who is born with sickle cell disease affect it can promote the breakdown. It can also be cause by an abnormal anatomy or bad nutrition. The old lady needs to do repetitive movement.
A muscle without workout or movement can atrophy. We need to keep our body movement. The lady needs to give a chance to her muscle to contract. She needs therapist . When the biceps muscle is not moving and there is not force in the muscle. Normally our muscle role is to contract. If there is not contraction our muscle fills sick.

After all when people get old everything change in their life. A healthy nutrition and a food daily exercise can help ours muscle. We cannot do anything about the age. But she needs to stay stable.

REFERENCES Cohen, Adi; Fleischer, Jessica; Freeby, Matthew J.; McMahon, Donald J.; Irani, Dinaz; Shane, Elizabeth. Journal of Women's Health (15409996). Jan2009, Vol. 18 Issue 1,