You are studying the electrical properties of a bicep muscle and find that when the arm is in a neutral position there is some degree of alpha motor neuron activity, but no other activity. You conclude
A. the bicep muscle is half contracted and carrying a light weight.
B. the bicep muscle is completely relaxed.
C. the bicep has muscle tone but is otherwise relaxed.
D. the bicep muscle is complete contracted.
Answer: C
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