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swimsteph217 swimsteph217
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12 years ago
_______1. muscle twitch                a. many cells responding to one neuron
_______2. wave summation             b. affects the force a muscle can generate
_______3. multiple motor unit summation          c. a single contraction of intact muscle
_______4. resting length                d. recruitment
_______5. resistance                e. increasing force produced by increasing stimulus frequency
_______6. initial velocity of shortening          f. muscle length changing due to relaxation
_______7. isotonic shortening            g. caused by application of maximal stimulus
_______8. isotonic lengthening             h. weight
_______9. motor unit                i. exhibits graded response
_______10. whole muscle                j. high values with low resistance values
_______11. tetanus               k. changing muscle length due to active forces
______12. maximal response             l. recording shows no evidence of muscle relaxation
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wrote...
Valued Member
12 years ago
1. muscle twitch

The muscle twitch is the response of a muscle to a single action potential on its motor neuron.

wave summation

Is a graded muscle response. The situation in which contractions become stronger due to stimulation before complete relaxation occurs.

multiple motor unit summation

How a smooth increase in muscle force is produced. Recruitment phase.

motor unit

A motor unit consists of a motor neuron and all the muscle fibers it innervates. It is smaller in muscles that exhibit fine control.

whole muscle

The whole muscle is composed of muscle cells (fibers) grouped in bundles.

11. tetanus

Smooth sustained contractions.

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