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

The doctor said there is a problem with my interosseous.

I strained a muscle at the gym yesterday.

He broke his leg bone.

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.

While he was taking a nap, I finished my homework.

He took a little pause before speaking.

During summer vacation, I will go to the beach.