In physiology, medicine, and anatomy, muscle tone (residual muscle tension or tonus) is the continuous and passive partial contraction of the muscles, or the muscle’s resistance to passive stretch during resting state. It helps maintain posture, and it declines during REM sleep.
Read more about Muscle Tone: Purpose, Pathological Tonus, Tonus in Surgery
Famous quotes containing the word tone:
“Eloquence resides as much in the tone of voice, in the eyes, and in the expression of the face, as in the choice of words.”
—François, Duc De La Rochefoucauld (1613–1680)