Frieberg osteochondritis is INFLAMMATION of ?

FREIBERG INFRACTION * Osteochondritis of the second metatarsal head. But may also involve 15t 3rd and 4th metatarsal heads * Usually occurs following trauma. * A misshapen metatarsal head frequently is an incidental radiographic finding, and careful questioning of the patient often reveals a period during adolescence when pain was noted in the forefoot. ref : maheswari 9th ed