+**Muscle Tone** is the continuous, passive partial [contraction](/wiki/contraction) of muscles, even at rest. This subtle tension maintains posture and is essential for quick, fluid movements, influenced by the [nervous system](/wiki/nervous_system). It keeps muscles ready for action.
+## See also
+- [Muscle](/wiki/muscle)
+- [Posture](/wiki/posture)
+- [Reflex](/wiki/reflex)
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