Os navicular is: No what you are talking about is called a os navicularis and it has nothing to do with acquired pea planus or flat foot.
Answered 4/7/2013
5.2k views
No: Most people with flat feet have os navicularis (accessory) navicular bone. It does not cause flat feet. There are multiple causes for flat feet such as tight achilles tendons, spasm of the proneal muscles, tarsal coalition. Also posterior tibial tendon tears causes them.
Answered 4/7/2013
5.2k views
5 doctors weighed in across 3 answers
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question