攣縮

挛缩
luánsuō
(medicine) (verb and noun) contracture

CEDICT

medicine

Entry Composition

1 攣 luán (bound form) (of muscles) to cramp; to spasm
2 縮 suō
  1. to withdraw
  2. to pull back
  3. to contract
  4. to shrink
  5. to reduce
  6. abbreviation
  7. also pr. sù