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Subir escaleras es saludable, pues fortalece las piernas.

Subir escaleras es saludable, pues fortalece las piernas.
Climbing stairs is healthy because it strengthens your legs.
FromLesson 11inHardcore Spanish (Spain)

Breakdown of Subir escaleras es saludable, pues fortalece las piernas.

ser
to be
subir
to climb
la escalera
the staircase
saludable
healthy
fortalecer
to strengthen
la pierna
the leg

Questions & Answers about Subir escaleras es saludable, pues fortalece las piernas.

What is the grammatical function of the phrase Subir escaleras in the sentence?
In Spanish, an infinitive phrase like Subir escaleras functions as a noun. In this sentence, it acts as the subject, representing the activity of climbing stairs.
What does the word pues mean, and how is it used here?
The word pues is a causal conjunction that means "because" or "since." It connects the idea that climbing stairs is healthy with the explanation that it strengthens the legs.
Why is the definite article las used in las piernas when English would typically say "legs" without an article?
In Spanish, it is common to use a definite article with body parts to refer to them generally. Thus, las piernas means "the legs" in a general sense, even though in English we might simply say "legs" without the article.
What tense is used in the verb fortalece, and why is it conjugated that way?
Fortalece is in the third-person singular present tense of the verb fortalecer, which means "to strengthen." It is conjugated this way because the subject of the clause is the singular concept of Subir escaleras, so the verb matches in number and tense.
Could pues be replaced with porque, and what nuances might that change?
Yes, pues could be replaced with porque, as both words express causation. However, pues tends to convey a more formal or explanatory tone, whereas porque is more common in everyday conversation. The choice between them depends on the style and register you wish to express.
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