WHAT YOU MUST KNOW ABOUT YOUR BONE
Bone has been described as an engineering
masterpiece of tensile, compressive and elastic strength.
The
human skeleton consists of approximately 206 bones and 68 joints. The largest
bone is the femur, or thighbone; the smallest is the stapes, a bone inside your
ear. As skilled gymnasts clearly demonstrate, bones, muscles, cartilage, and
joints can give a healthy body an astonishing degree of flexibility and range
of movement. The thumb alone would convince anyone that the architect of our
body [whoever that may be to each one of us].
Bones
can also take an incredible pounding. They are constructed in exactly the same
way that reinforced concrete is constructed. The steel of reinforced concrete
provides the tensile strength, while the cement, sand, and rock provide the
compressional strength. However, the compressional strength of bone is greater
than that of even the best reinforced concrete. We only wish we could mimic it”
said Robert o. Ritchie, a professor of materials science at the University of
California, Berkeley, U.S.A.
Unlike
concrete, bone is an essential part of countless living organisms. And it is
dynamic. It is able to repair itself, respond to hormones that affect its
growth and development, and even play a key role in the manufacture of blood
cells. Also, like muscle, it slowly grows stronger as the load on it increases.
Hence, athletes have heavier bones than so-called couch potatoes.
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