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Definition
| The characteristic that allows muscles to be extended or shortenend. |
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| The enviorment changes and then the muscles respond. |
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| The trait that sets muscles apart from other tissue. |
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| Another word for Excitability: The enviorment changes and then the muscle responds. |
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Definition
| The reticular fibers that surround individual muscle fibers. |
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Definition
| Cytoplasm for muscle cells. |
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Definition
| The fuctional unit of muscles |
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Definition
| The system of message transmission. |
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Definition
| Type of contraction represented by a single stimulus/contraction/relaxation sequence |
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Definition
A muscle producing peak tensions with visible relaxation during rapid cycles of contraction and relaxation
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Definition
| A muscle that is stimulated so frequently that the relaxation phase is completely eliminated |
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Definition
When a muscle is stimulated repeatedly for several seconds with a constant stimulus, the amount of tensions gradually increases to a maximum.
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Definition
Ability to receive and respond to a stimulus
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Definition
| Ability to shorten forcibly when adequately stimulated |
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Definition
| Ability to be stretched or extended |
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Definition
Ability of a muscle to resume its resting length after being stretched
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Definition
Contraction of muscle during which the muscle changes in length and the tension remains constant through most of the contractile period
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Term
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Definition
Contraction of muscle during which the tension continues to increase but the muscle neither shortens nor lengthens
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Definition
| Contraction of the muscle in which the muscle shortens and does work |
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Definition
Contraction of muscle in which the muscle contracts as it lengthens
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Term
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Definition
| Sustained spasm, or tetanic contraction |
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Term
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Definition
Inflammation of a muscle, its connective tissue coverings and tendons, and capsules of nearby joints
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Term
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Definition
Muscle pain resulting from any muscle disorder
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Definition
Excessive stretching and possible tearing of a muscle caused by muscle overuse or abuse
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Definition
Propagation of an electrical current along the sarcolemma
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Term
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Definition
| The initial polarized state |
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Term
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Definition
| Restoration of membrane potential to resting potential |
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Term
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Definition
| The time when fiber cannot be stimulated until repolarization is complete |
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Term
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Definition
Electrical event occurring only at neuromuscular junction
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Term
Electrical conditions of a resting sarcolemma
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Definition
Outside positive relative to the inside
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Term
Depolarization and generation of action potential
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Definition
| Production of an end plate potential at the motor end plate and consequent depolarization of adjacent areas |
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Term
Propagation of the action potential
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Definition
Increased positive charge inside sarcolemma changes permeability of adjacent areas, opening voltage-regulated Na+ channels
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Definition
| Change in sarcolemma after the wave of depolarization; Na+ channels close and K+ channels open, allowing K+ to create a positive charge outside the membrane |
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Definition
| means a continued mild or partial contraction of an entire muscle is muscle |
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Definition
| increases in quantity during repetitive muscle contraction |
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Definition
| The alternating contraction and relaxation of opposing layers of smooth muscle |
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Term
| True or False: In the initial stages of repolarization, the ionic conditions are restored, returning the membrane to its resting potential. |
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Definition
| False: In the initial stages only, the electrical conditions are restored. Ions are left unbalanced. |
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Term
| True or False: Below-threshold stimuli results in only a small amount of muscle response movement. |
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Definition
| False: Below-threshold stimuli no muscle response occurs. |
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