The levator costae brevis is a part of our back muscles.

The levator costae is one of the muscles that lift the ribs.

The levator costae longus is a part of our back muscles.

She had an ophthalmologist examine her levator muscle problem.

He was carrying a large load on his back.

He is working out his muscles at the gym every day.

Part of this movie is based on actual events.

He broke his rib.

He broke his rib.

I strained a muscle at the gym yesterday.