What had he been doing in the army to build such muscle?

Should have thought about it when they were young enough to build muscle.

In fact, the only way to build muscle is through exercise.

The weight of it has built muscle in my right arm.

In his view, military training, besides preparing a person for the future, built muscle and character.

He worked hard in the offseason, building enough muscle to increase his weight from 240 pounds to about 270.

This is why people who want to build muscle have 4 or 5 smaller meals throughout the day.

Experts say there's no scientific evidence the drug helps build muscle.

In addition to other nutrients, the human body needs protein to build muscles.

I could put on some weight and build muscle.