He boarded the fighter plane as a tail gunner.

He yielded to the pressure.

He is dedicating his life to the elucidation of science.

How much is the parking fee?

He is a diligent student.

He is doing a special exercise to strengthen his flexor carpi ulnaris.

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

The flexor carpi radialis is an important muscle for bending the wrist.

I live in Tokyo.

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