in a gym

She also works out in the gym three times a week.

He might go for a run or work out in the gym.

I'm learning from someone who knows what he's teaching in the gym.

I also work out in the gym at least 3 times a week.

I think he's a guy who should live in the gym for a long time.

A man who spent about half his time in the gym.

I had three kids from the class who worked out in the same gym.

With little to do she spent her time weight training in the gym.

But why did you act that way in the gym?

He would spend three to four hours a day training in the gym.