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

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

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

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

He held my hand.

He was standing on the side of the road.

He fractured his phalanx.

He uses his fingers to play the piano.

He uses his fingers to play the piano.

His move was very fast.