 Evidence of a fractured hip bone was found in a specimen of Iguanodon , which had an injury to its ischium . Two other individuals were observed with signs of osteoarthritis as evidenced by bone overgrowths in their anklebones which are called osteophytes . 
 Evidence of a fractured hip bone was found in a specimen of Iguanodon , which had an injury to its ischium . Two other individuals <a href='uninflect' title='1'><mark>were</mark></a> observed with signs of osteoarthritis as evidenced by bone overgrowths in their anklebones which are called osteophytes . 
Evidence of a fractured hip bone was found in a specimen of Iguanodon , which had an injury to its ischium . 2 other individuals was observed with signs of osteoarthritis as evidenced by bone overgrowths in their anklebones which r called osteophytes .