 <translate> Ajụjụ bụ: Ọ bụ Sir Michael Foster dere okwu ahụ bụ́ knee-jerk n'akwụkwọ ya bụ́ Textbook of Physiology n'afọ 1877: "Ịkụ akwara dị n'okpuru patella na-eme ka ụkwụ gbatịa n'otu ntabi anya, nke a maara dị ka knee-jerk".  Zaa ajụjụ a: kwuo ụdị ihe na-akpali akpali nke ga-eme ka nkwonkwo ikpere na-ada? Mmiri nke uche: Nke a bụ ozi dị mkpa: Sir Michael Foster dere okwu ahụ bụ ikpere-jerk n'akwụkwọ ya nke physiology n'afọ 1877: "Iti akwara dị n'okpuru patella na-eme ka ụkwụ gbatịa n'otu ntabi anya, nke a maara dị ka ikpere-jerk". <hau> Tambayar ita ce: Sir Michael Foster ne ya rubuta kalmar "knee-jerk" a littafinsa na ilimin lissafi a shekara ta 1877: "Burin jijiya da ke ƙasa da patella yana haifar da tsawaita kafa, wanda aka sani da knee-jerk".  Amsa wannan tambayar: Ka faɗi irin abin da zai sa a yi rawar gwiwa? Hanyoyin hankali: Wannan shine bayanin da ya dace: Sir Michael Foster ya rubuta kalmar gwiwa-jink a cikin littafinsa na ilimin lissafi a cikin 1877: "Bugawa a cikin jijiya a ƙarƙashin patella yana haifar da tsawaita ƙafafun kwatsam, wanda aka sani da gwiwa-jink". 