muscle
In Italian, the word 'muscolo' is used to refer to the muscular tissue of the body, just like in English. It can be used to refer to a specific muscle, such as the 'muscolo del braccio' (arm muscle), or collectively to refer to all the muscles in the body. It is also used in expressions such as 'avere i muscoli tesi' (to have tense muscles) or 'sviluppare i muscoli' (to develop muscles).
I exercised and now my muscle is sore.
This phrase gives an example of how to talk about a physical state after exercising, using the word 'muscolo' to mean muscle.
Chicken is a type of muscular meat.
In this phrase, the word 'muscolo' is used in a context related to food, specifically referring to the muscular meat of a chicken.
The doctor said that the muscle in my shoulder is inflamed.
This is an example of how to describe a medical condition concerning a muscle, using the term 'muscolo' to refer to the specific body part that is affected.