For the sake of friendship, he chose to cut off his own interests and take righteousness.

He boarded the fighter plane as a tail gunner.

The lar gibbon, with its long arms, moves quickly from tree to tree.

He is able to both talk and do, and can handle any job.

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 a special exercise to strengthen his flexor carpi ulnaris.

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

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.