French Phrase
C'est quoi ton exercice préféré en muscu ?
Meaning
The speaker is asking the listener to name the exercise they like most when they do weight‑training. "Muscu" is a colloquial abbreviation for "musculation" (strength training). The tone is casual and typical among gym‑goers.
When to use
Use this sentence in informal settings – at the gym, with friends, or on fitness forums – when you want to learn about someone's favorite strength‑training move. Avoid it in formal contexts or with people you don't know well.
✦Grammar Breakdown
C'estquoitonexercicepréféréenmuscu?
C'est quoi
Informal way to ask "what is it?"; literally "it is what". Used in spoken French instead of "Qu'est-ce que c'est?".
ton
Possessive adjective for "your" (singular, informal). Must agree in gender and number with the noun that follows.
exercice préféré
Noun + adjective. The adjective "préféré" agrees in gender and number with "exercice" (masculine singular).
en muscu
"muscu" is slang for "musculation" (strength training). The preposition "en" introduces the activity domain.
question mark
In spoken French the intonation rises; written form ends with a question mark.
🗨In Conversation
C'est quoi ton exercice préféré en muscu ?
What's your favorite exercise in weight training?
J'adore le soulevé de terre, c'est super complet.
I love deadlifts, they're super all‑round.
✕Common Mistakes
Quel est ton exercice préféré en muscu ?
While grammatically correct, using "Quel est" sounds more formal; the original phrase is intentionally informal.
C'est quoi ton exercice préféré à muscu ?
The preposition should be "en" (in) not "à" when referring to an activity.
C'est quoi ton exercice préférée en muscu ?
The adjective "préféré" must agree with "exercice" (masculine), so it stays "préféré".
↔Alternatives
Quel est ton exercice préféré en musculation ?
What is your favorite exercise in strength training?
Quel exercice de muscu tu préfères le plus ?
Which gym exercise do you like the most?
Quelle est ta machine favorite au gym ?
Which machine is your favorite at the gym?
Cultural Tip
In France, "muscu" is a very common slang among young adults and gym enthusiasts. It conveys a relaxed, peer‑to‑peer vibe. When speaking with a trainer or in a professional setting, replace "muscu" with the full word "musculation" and use the more formal "Quel est..." structure.

