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Biomechanics
Overview
Proper running form (i.e. biomechanics)
is important to minimize wasted energy expenditure. With good running biomechanics,
athletes will generate the most speed with the least amount of physical
effort.
Unless athletes have major biomechanical faults, good form will
develop unconsciously through repeated practice. The body adapts a running
style which is most beneficial to the individual athlete. Thus, most efforts
to radically alter what a person would do normally are wasted or bound
to fail. None-the-less, there are a few specific pointers that most runners
can benefit from.
Specific Pointers
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Relax your shoulders, arms and breathing. By reducing the tension
in these areas, the running stride tends to "flow. " A "tight" runner will
waste energy by shortening the stride and running "up" rather than "ahead."
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Strive to avoid any wasted motion. Unnecessary head movements
or arm movements waste energy.
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Run tall. As your mother always said, "Don't slouch." An upright
torso allows the runner to extend his or her legs through a full range
of motion.
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Lean slightly forward when running uphill. A small forward lean
ensures that the forces generated by the legs are used to move "ahead"
rather than move "up in the air." Also, swinging the arms more vigorously
and running on the toes assists with faster hill climbing.
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Lean slightly forward when running downhill. A small forward lean
prevents the legs from acting as a brake when descending. In addition,
shortening the stride and increasing the turnover of the legs also minimizes
the braking action of downhill running.
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Run on your toes when sprinting. Most people will strike the ground
with a heel first or flat foot when running at sub maximal speed. When
sprinting, getting up on the toes increases stride length and turnover.
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Think positive thoughts. The mind can affect the body. If you think
you are tightening up, you will tighten up (i.e. the self fulfilling prophecy.)
By concentrating the mind on "loose and relaxed", the body should follow.
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