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

He injured his extensor pollicis longus.

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

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

He likes to take a walk in the park at dusk.

He is doing special exercises to strengthen his extensor carpi ulnaris.

He is doing a special exercise to strengthen his extensor carpi radialis brevis.

The extensor carpi radialis longus is a part of the arm muscles and helps in the movement of the wrist.

We should always remember the power of Kannon in difficult times.

He trains his deltoid muscles at the gym every day.