He is doing exercises to strengthen his shoulder blades.

The rhomboid minor muscle is part of the upper back muscles and plays an important role in moving the scapula.

He exercises his rhomboid muscles at the gym every day.

The big has the power to overcome the small.

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

The upper part of this building is made of glass.

Part of this movie is based on actual events.

He worked hard to accomplish his goals.

He struggled to move the heavy box.

His role is the team leader.