flaccid

https://doi.org/10.1351/goldbook.11772
Relaxed, flabby, or without tone.
Notes:
  1. Flaccid paralysis is a condition where one or more muscles are without tone. It is often caused by the lack of motor nerve impulses due to nerve trauma, disease or specific pharmaceuticals.
  2. Curare causes flaccid paralysis by binding to acetylcholine receptors and inhibiting their action.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 868 [Terms] [Paper]