大腿 だいたい よん とう すじではありませんでした
daitai yonto usujidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大腿四頭筋

1. Was not the quadriceps.; Was not a quadriceps muscle.

Past/Perfective
Negative
Polite
Formal Register