Visceral muscles are muscles that move the internal organs of the body.

He underwent surgery on his internal organs.

I strained a muscle at the gym yesterday.

I go to the gym every day to build my muscles.

This river is three long.

He exercises his pectoral muscles every day.

He does exercises to train his gluteus muscle every day.

The fascia is an important part that wraps around the muscles.

I work out every day to strengthen my body.

He is doing special exercises to train his teres major muscle.