Recurrent metatarsal stress fractures in a college football lineman.
Stress fractures are common overuse injuries of bone attributed to repetitive trauma, training errors, and/or structural abnormalities. A 21-year-old, 252-lb football lineman participating in spring conditioning drills complained of right foot pain following a plantar flexion, inversion injury that occurred while cutting. Pain was concentrated over the dorsum of the foot in both weight bearing and at rest. X-ray evaluation indicated an acute stress fracture of the fourth metatarsal and two nonunions of the second and third metatarsals. Additionally, x-rays revealed metatarsus adductus, a congenital anatomic deformity. The athlete demonstrated compensatory hyperpronation in the right hind foot during a follow-up biomechanical evaluation. He was removed from weightbearing activities, treated symptomatically for pain and swelling, and placed in a rigid orthotic. He has returned to full activity without further incident. This case report emphasizes the important role that biomechanical factors may have in osseous stress injuries.
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Jamie L. Moul is Athletic Training Curriculum Director at Appalachian State University, Boone, NC 28606.
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