atonia

/eɪˈtoʊniə/
noun
  1. A lack of normal muscle tone or strength; muscle weakness or floppiness.
    • Atonia can be a side effect of certain medications that relax the muscles.
    • The doctor diagnosed the infant with atonia, causing her limbs to feel limp.
    • After the accident, he experienced temporary atonia in his left arm.
Antonyms
What does "atonia" mean? | whatsthatwordmean | whatsthatwordmean