He is doing special exercises to strengthen the interosseous muscles of his hand.

His work progress is slow.

Mr. Hiruma is my best friend.

The parasympathetic nervous system helps our body to relax and conserve energy.

The launch of intercontinental ballistic missiles has become an international issue.

The intertransversarius muscle is an important part of our body, especially part of the back muscles.

An intercontinental ballistic missile is a weapon with a very large destructive power.

He is doing special exercises to strengthen his dorsal interosseus muscle.

The palmar interosseus muscle is a part of the hand muscles and supports the movement of the fingers.

The plantar interosseus muscle is a part of the foot muscles and controls the movement of the toes.