He ate one apple.

He exercises his pectoral muscles every day.

He put his hand on his chest and swore.

I strained a muscle at the gym yesterday.

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

He trains his pectoralis major muscle at the gym every day.

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

She has a large breast.

He put his hand on his chest and swore.

The pyramidalis muscle is one of the muscles located in the human abdomen.