Why does sitting for long periods of time increase back pain sometimes? This question has been studied for the past 50 years and researchers still find controversy when trying to answer the question. At the heart of the dilemma is a mechanical dynamic between body weight, body posture, and spinal disc load.
A loading, compressive force on a spinal disc creates a certain amount of pressure within the disc which is like a marshmallow in between two graham crackers being squished together. This pressure can be measured with special devices inserted into the disc. With various body positions like lying down, sitting, standing and bending forward, the pressure amounts vary and were first reported in the landmark study performed by Dr. Nachemson in 1981 . In this study, he found that sitting produced higher pressures in the spinal disc than standing. So, for the past thirty years, clinicians have told patients with degenerative disc related back pain to avoid prolong sitting because h...
How do you know when it's time for a knee joint replacement? When pain is not relieved by any other means. Quite often, the patient has severe arthritis as seen on X-ray. A 75-year old woman with a leg amputation below the knee is presented in this report. Her case is unusual because most people with an amputated leg have less arthritis in that leg. They tend to use the "good" leg more and favor the amputated side, putting less stress on the joint. In this case the patient had severe arthritis in both knees. At first she had the knee replaced on the nonamputated side. When she could no longer move the knee on the amputated side, that knee joint was replaced. A joint replacement on an amputated leg has more than the usual risks. For this woman, decreased blood flow led to the amputation in the first place. A joint replacement increases her risk of a second amputation further up the leg (mid-thigh). Physical therapy started the day after surgery. She went home on the eighth day, when she c...
Legacy.... According to Websters,
Leg´a`cy Pronunciation: l?g´å`s?
A gift of property by will , esp . of money or personal property ; a bequest . Also Fig .; as , a legacy of dishonor or disease .
A business with which one is intrusted by another ; a commission ; - obsolete , except in the phrases last legacy , dying legacy , and the like .
Legacy, what will you leave behind? As you can read, the dictionary speaks of money, property, business etc. but I really will have not much of the sort to leave as my legacy. I am donating my body to science, maybe all the suffering I have been through can lessen the load on someone in the future. I have my home, my tools a small amount of life insurance, certainly ...
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