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A human body contains approximately 206
bones. Skeleton provide a framework that supports the soft tissues so the
body can maintain its form and erect posture. Some bones serve as
protectors for certain vital organs. Others work together to act as a
system of levers the muscles can use to move the body or external
objects. Bones can produce certain blood cells and also serve as storage
centers for several essential minerals. Bones may be divided or
classified into two basic groups known as the axial skeleton and the
appendicular skeleton.
The axial skeleton consists of 80 bones
that make up the head, neck, and trunk. It houses the spine, which is
the main support column for the body. Therefore, the axial skeleton's
position and role during any resisted movement is always of particular
concern and primary importance.
The appendicular skeleton consists of
126 bones that form the shoulders, pelvis, arms, legs, hands and feet.
Most of the movement we can perform and use for resistance training are
a result of moving the bones of the appendicular skeleton.
While appendicular skeleton moves
against the resistance, the axial skeleton supports and stabilizes the
body.
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