also: かんたい
noun
clonus
Medical term for rhythmic, involuntary muscle contractions and relaxations. Used in clinical contexts.
足首の間代は神経学的な検査で確認されることがある。
Ankle clonus may be observed during a neurological examination.
痙攣 is a broader term for convulsions or spasms, while 間代 specifically refers to the rhythmic contraction pattern of clonus.
The term is composed of 間 (interval) and 代 (substitution/alternation), likely referring to the alternating rhythmic nature of clonus. The exact historical derivation is uncertain.