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BIOL 235, Chapter 11 A (56 questions and answers).
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BIOL 235, Chapter 11 A (56 questions and answers).
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BIOL 235,Chapter 11 A (56
questions and
answers)
Origin - answer The attachment of a muscle
tendon to a stationary bone. End opposite the
insertion.
Insertion - answer The attachment of a muscle
tendon to a movable bone. The end opposite the
orgin.
Belly (body) - answer Fleshy portion of the muscle
between the tendons.
Action - answer The main movements that occur
when the muscle contracts.
, Reverse Muscle Action - answer During specific
movements of the body the actions are reversed.
The positions of the origin and insertion of a
specific muscle are switched.
What do bones act as? - answer Levers
Lever - answer Rigid structure that can be moved
along a fixed point called a fulcrum.
What do joints function as - answer fulcrums for
the bone (lever)
Effort - answer the force exerted by muscular
contraction. It causes movement.
Load/resistance - answer The weight of the body
part that is moved. some resistance that the body
part is trying to move.
How does motion occur? - answer occurs when
the effort applied to the bone at the insertion point
exceeds the load.
Mechanical Advantage - answer when the load is
closer to the fulcrum and effort is farther from the
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