<prompt> Freibergs disease isAvascular necrosis of the navicularAvascular necrosis of the lunateOsteochondritis of the calcaneal apophysisOsteochondritis of the second metatarsals  <response>: D. i.e. Osteochondritis of the second metatarsals 101-2 - Apley 8thFRIEBERGS DISEASE - is a crushing type of osteochondritis of the second metatarsal head rarely the third affects mostly young womenOSTEOCHONDRITIS OSTEOCHONDROSIS1. Crushing Osteochondritis Freibergs disease- metatarsals Kohlers disease- navicular Kienbocks disease- carpal lunate Panners disease- capitulum2. Splitting osteochondritis Osteochondritis diseaseCommon sites Lateral surface of the medial femoral condyle in the knee Anteromedial comer of the talus in the ankle Superomedial part of the femoral head Humeral capitulum and first metatarsal head3. Pulling osteochondritis Traction Apophysitis Osgood - Schlatters disease - Tibial tuberosity Severs disease - Calcaneal apophysis 