Muscle Tonus
Synonyms
Muscle Tension
Muscle Tightness
Muscular Tension
Tension, Muscle
Tension, Muscular
Tightness, Muscle
Tonus, Muscle
The state of activity or tension of a muscle beyond that related to its physical properties, that is, its active resistance to stretch. In skeletal muscle, tonus is dependent upon efferent innervation. (Stedman, 25th ed)