He is doing a special exercise to train his occipitofrontalis muscle.

He is doing a special exercise to strengthen his temporoparietalis muscle.

The styloglossus muscle plays a role in raising and pulling the tongue back.

The intertransversarius muscle is an important part of our body, especially part of the back muscles.

The medial pterygoid muscle is one of the important muscles for moving the jaw.

He did a somersault in the park.

He goes to the gym every day to train his biceps brachii muscle.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

He injured his extensor pollicis longus.

He underwent surgery due to an injury to his extensor pollicis brevis.