He exercises his pectoralis minor muscle at the gym every day.

The rotator thoracis is one of the muscles that helps in the rotation of the body.

He is doing a special exercise to train his longissimus thoracis muscle.

She has a large breast.

He put his hand on his chest and swore.

The semispinalis thoracis muscle is a deep muscle in the back that supports movement from the neck to the waist.

The multifidus thoracis muscle is a part of the back muscles, mainly involved in stabilizing the spine.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.