He is doing special exercises to strengthen his extensor digitorum longus.

He is doing special exercises to strengthen his extensor hallucis longus.

He is the chief of our team.

He is doing special exercises to strengthen his extensor digitorum brevis muscle.

He is doing special exercises to strengthen his flexor digitorum longus.

He stretches his extensors every day.

He works at the blacksmith's every day to forge his skills.

This festival is held every year.

He had difficulty walking due to an injury to his extensor hallucis brevis.

He started a special exercise to strengthen his flexor hallucis longus.