How to Say "upper leg" in Spanish
The Spanish word for “upper leg” is “muslo” — A2 level. This is a very common word in everyday Spanish.

Examples
El jugador de fútbol tiene los muslos muy fuertes.
The soccer player has very strong thighs.
Me duele el muslo derecho después de correr tanto.
My right thigh hurts after running so much.
El fémur es el hueso que se encuentra en el muslo.
The femur is the bone found in the thigh.
Using 'the' instead of 'my'
In Spanish, when talking about your own body parts, you usually say 'the thigh' (el muslo) instead of 'my thigh' (mi muslo). For example: 'Me duele el muslo' literally means 'The thigh hurts me.'
Always Masculine
The word 'muslo' is always a masculine noun. Even if a woman is talking about her own thigh, she must use 'el muslo' and masculine adjectives like 'el muslo derecho'.
Confusing 'muslo' with the whole leg
Mistake: “Using 'muslo' to describe your ankle or foot.”
Correction: Use 'muslo' only for the part of the leg between the hip and the knee. Use 'pierna' for the whole leg.
Related Translations
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