English version

quadriceps

From Longman Dictionary of Contemporary Englishquadricepsquad‧ri‧ceps /ˈkwɒdrəseps $ ˈkwɑː-/ noun (plural quadriceps) [countable]  the large muscle at the front of your thighbicep
Examples from the Corpus
quadricepsI feel the rush of panic, my quadriceps flexing for flight.Their leading scorer, Mahmoud Abdul-Rauf, suffered a bruised right quadriceps against Seattle on Wednesday and missed the game.Front squats also place more emphasis on the quadriceps.Everyone can see this muscle on the thigh, the quadriceps.
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