tonus

/ˈtoʊnəs/
noun
  1. The normal, healthy state of slight tension in a muscle at rest, which keeps it ready to respond.
    • Physical therapy can improve muscle tonus after an injury.
    • Good tonus in your core muscles helps you maintain proper posture.
    • The doctor checked the patient's muscle tonus by feeling the firmness of the arm.
  2. The normal, healthy condition of body tissues or organs, including their ability to function properly.
    • The massage therapist worked to restore the tonus of the tired muscles.
    • As we age, the tonus of our blood vessels can decrease.
    • A balanced diet and exercise help maintain the tonus of your skin and muscles.
Synonyms
What does "tonus" mean? | whatsthatwordmean | whatsthatwordmean