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

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 is doing special exercises to strengthen his abductor pollicis longus.

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