He broke his leg bone.

The horse's coffin bone plays an important role, just like the bones in a human's foot.

He broke his leg bone.

Many ancient bones were found in this ancient ruins.

Bones of ancient people were discovered from this ruins.

He fractured his tarsal bone.

He fractured his metatarsal bone.

He worked hard to accomplish his goals.

He broke his thighbone in a skiing accident.

He broke his radius in a skateboard accident.