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Electromyography

Electromyography - Electromyography(EMG Skeletal Muscles...

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Electromyography (EMG) Skeletal Muscles
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Functions of skeletal muscles Primary Function – Convert mechanical energy to mechanical work Other functions – Produce movement – Maintain posture and body position Support soft tissue – Guard entrance and exit – Maintain body temperature
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Properties of muscle tissue 1. Excitability: ability to respond to stimulation 2. Contractility: ability to shorten actively and exert a pull 3. Extensibility: ability to continue to contract over a range of resting lengths 4. Elasticity: ability of muscle to rebound toward its original length after contraction
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http://trc.ucdavis.edu/biosci10v/bis10v/week10/nervemuscle.gif
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