EXSS 265- (4) Mechanical Load and Injury
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17 Terms
mechanism of injury
how something got hurt
most athletic injuries are __________
orthopedic
strain (stress and strain)
deformation of the tissue
stress (stress and strain)
load placed on a tissue
stiffness
the slope of stress and strain
the steeper the slope means the _______ the tissue
stiffer
would bone have a steep or sleight slope:
very steep
elastic zone
when a tissue experiences stress and strain but the tissue can return to normal like nothing happened
plastic zone
when a tissue experiences stress and strain but tissue CANNOT return to its resting state
yield point
threshold/point at which we change from the elastic zone to the plastic zone
tissue failure
the point at which the tissue is injured and will not be the same
tension
when two forces are pulling apart, or moving in opposite directions
compression
when two forces are coming together, smashing, meeting, etc.
bending (3-point bend)
when there is both compression and tension occurring
torsion
pivot shift injury; think twisting
sheer
force that is perpendicular to the tissues
how can we discover the mechanism of injury?
your eyes; asking what happened