Hendrix, CL . :Calcaneal apophysitis (Sever disease). .Clin Podiatr Med Surg 22::55. :2005. .
Kvist, M, U Kujala, O Heinonen, et al. :Osgood-Schlatter and Sever’s disease in young athletes [in Finnish]. .Duodecim 100::142. :1984. .
Liberson, A, S Lieberson, DG Mendes, et al. :Remodeling of the calcaneus apophysis in the growing child. .J Pediatr Orthop B 4::74. :1995. .
Ogden, JA, TM Ganey, JD Hill, et al. :Sever’s injury: a stress fracture of the immature calcaneal metaphysis. .J Pediatr Orthop 24::488. :2004. .
Staheli, LT . :Fundamentals of Pediatric Orthopedics, ,2nd Ed. ,Lippincott-Raven. ,Philadelphia. ,1998. .
Sever, JW . :Apophysitis of the os calcis. .N Y State J Med 95::1025. :1912. .
Alfredson, H . :Exercise and Bone in Females and in Athletes with Chronic Achilles Tendinosis. ,University of Umeå. ,Umeå, Sweden. ,1997. .
Ogden, JA . :Skeletal Injury in the Child, ,3rd Ed. ,Springer. ,New York. ,2000. .
Peck, DM . :Apophyseal injuries in the young athlete. .Am Fam Physician 51.:1891. ,1995. .
Brukner, P and K Khan. :Clinical Sports Medicine, ,3rd Ed. ,McGraw-Hill. ,New York. ,2007. .
Heneghan, MA and T Wallace. :Heel pain due to retrocalcaneal bursitis-radiographic diagnosis (with an historical footnote on Sever’s disease). .Pediatr Radiol 15::119. :1985. .
McKenzie, DC, JE Taunton, DB Clement, et al. :Calcaneal epiphysitis in adolescent athletes. .Can J Appl Sport Sci 6::123. :1981. .
Volpon, JB and G de Carvalho Filho. :Calcaneal apophysitis: a quantitative radiographic evaluation of the secondary ossification center. .Arch Orthop Trauma Surg 122::338. :2002. .
Gröntvedt, T . : “Chronic Lower Leg Pain. ,” inPrevent, Treat, Rehabilitate Sport Injuries: An Illustrated Guide[in Swedish]. , edited byBahr, R and S Maehlum. , p359. ,SISU Idrottsböcker. ,Stockholm. ,2004. .
Perhamre, S, S Janson, R Norlin, et al. :Sever’s injury: treatment with insoles provides effective pain relief. .Scand J Med Sci Sports 21::819. :2011. .
Perhamre, S, F Lundin, R Norlin, et al. :Sever’s injury; treat it with a heel cup: a randomized, crossover study with two insole alternatives. .Scand J Med Sci Sports 21::e42. :2011. .
Neely, G, G Ljunggren, C Sylven, et al. :Comparison between the Visual Analogue Scale (VAS) and the Category Ratio Scale (CR-10) for the evaluation of leg exertion. .Int J Sports Med 13::133. :1992. .
Engström, L-M . :School - Sports - Health: Studies of the Subject Sports and Health, and Young People’s Physical Activity, Physical Capacity and Health Condition: Bases Purposes and Methods[in Swedish]. ,Idrottshögskolan. ,Stockholm. ,2004. .
Adams, JC and DL Hamblen. :Outline of Orthopaedics, ,11th Ed. ,Churchill Livingstone. ,Edinburgh. ,1990. .
Madden, CC and MB Mellion. :Sever’s disease and other causes of heel pain in adolescents. .Am Fam Physician 54.:1995. ,1996. .
Micheli, LJ and ML Ireland. :Prevention and management of calcaneal apophysitis in children: an overuse syndrome. .J Pediatr Orthop 7::34. :1987. .
Lutter, LD . : “Sports-Related Injuries. ,” inThe Child’s Foot and Ankle. , edited byDrennan, JC. , p407. ,Raven Press. ,New York. ,1992. .
Orava, S and K Virtanen. :Osteochondroses in athletes. .Br J Sports Med 16::161. :1982. .
Scharfbillig, RW, S Jones, and SD Scutter. :Sever’s disease: what does the literature really tell us? JAPMA 98::212. :2008. .
Shopfner, CE and CG Coin. :Effect of weight-bearing on the appearance and development of the secondary calcaneal epiphysis. .Radiology 86::201. :1966. .
Ross, SE and J Caffey. :Ossification of the calcaneal apophysis in healthy children: some normal radiographic features. .Stanford Med Bull 15::224. :1957. .
Hosgoren, B, A Koktener, and G Dilmen. :Ultrasonography of the calcaneus in Sever’s disease. .Indian Pediatr 42::801. :2005. .
Szames, SE, WM Forman, J Oster, et al. :Sever’s disease and its relationship to equinus: a statistical analysis. .Clin Podiatr Med Surg 7::377. :1990. .
The diagnosis of Sever’s injury (apophysitis calcanei) has previously been partly based on radiographic findings in the calcaneal apophysis. Sclerosis and fragmentation have been supposed to represent signs of inflammation due to tractions from the Achilles tendon. The clinical findings, diagnostic criteria, and studied population are often poorly defined. We sought to define diagnostic criteria by analyzing clinical and radiographic characteristics in a population with Sever’s injury and to compare the findings with those of a control group of matched, symptom-free children.
We assessed 30 consecutive children with Sever’s injury with high levels of pain but high physical activity levels in sports activities and 15 pain-free matched controls.
One-leg heel standing showed 100% sensitivity; the squeeze test, 97%; and the palpation test, 80%. All three tests showed 100% specificity. All of the patients and controls showed increased density of the apophysis. Half of the pain-free controls showed fragmentation versus almost 90% of children with heel pain.
The diagnosis of Sever’s injury is clinical, not radiologic. Radiologic findings of increased density and fragmentation are found also in pain-free controls with high levels of physical activity and may, therefore, represent normal growth and development. We suggest that the diagnosis of Sever’s injury should be based on patient history and the results of two specific clinical tests. (J Am Podiatr Med Assoc 103(5): 361–368, 2013)