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Q. |
In voluntary contraction of the skeletal muscles, the muscle potential ranges from |
A. | 50 uV – 5 mV |
B. | 50 mV – 5 V |
C. | 0.05 uV – 2 mV |
D. | 50 mV – 500 mV |
Answer» A. 50 uV – 5 mV | |
Explanation: In voluntary contraction of the skeletal muscles, the muscle potential ranges from 50 uV – 5 mV and duration from 2 to 15 ms. The values vary with the anatomic position of the muscle and the size and location of the electrode. In a relaxed muscle there are no action potentials. |
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