<prompt> Frieberg osteochondritis is2nd metatarsal head2nd metatarsal base5th metatarsal head5th metatarsal base  <response>: Named Osteochondritis NAME OSTEOCHONDRITIC SITEBlounts disease Tibia Vara Medial side of the proximal tibial epiphysisCalves disease Centre body nucleus of a veebral bodyFrieberg infarction Metatarsal head 2nd MT is most common Iselin disease 5th metatarsal boneKienbock disease Lunate Kohler disease Navicular Madelung deformity Distal radial physis Osgood-Schlatter disease Tibial tuberosityPanners disease Capitulum Pehes disease Femoral head Scheuermanns disease Ring epiphysis of a veebral bodySeveres disease Calcaneum at the inseion site of tendon Achilles Sinding -Johanssen- Larsen disease Lower pole of the patellaRefer: Mohindras Fundamentals of Ohopedics, 2nd edition, pg no. 443, 458 