Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
from September 2014
©Journal of Sports Science and Medicine (2008) 07, 556 - 559

Case report
Stress Fracture of the Ulna in a Break-Dancer
Yu-Hsu Chen, Chun-Lin Kuo, Leou-Chyr Lin, Shyu-Jye Wang, Chian-Her Lee 
Author Information
Department of Orthopaedics, Tri-Service General Hospital, Taipei City, Taiwan (R.O.C)

Chian-Her Lee
‚úČ Department of Orthopaedics, Tri-Service General Hospital, No. 325, Sec.2, Chenggong Rd., Neihu District, Taipei City, Taiwan (R.O.C)
Publish Date
Received: 27-08-2008
Accepted: 08-11-2008
Published (online): 01-12-2008
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Break dancing is a popular activity in teenagers and is associated with severe trauma to bones and tissues. We report the first known case of a break dancer with an ulnar stress fracture. Such injuries occur in a variety of sports due to substantial stress on the ulna and repetitive excessive rotation of the forearm. In this study we describe a patient who experienced an ulnar stress fracture during break dancing training. The diagnosis was established by history and physical examination. Initial radiographic findings were negative. However, radiographs taken 3 months after initial presented revealed callus formation over the ulnar shaft. This suggested that readjustment is required in break dancing training protocols. It is important to increase awareness of this injury among physicians to expedite the diagnosis and to prevent the possibility of conversion to an overt fracture in the future.

Key words: Sports injuries, ulna fractures, stress fractures, magnetic resonance imaging

           Key Points
  • Stress fractures should not be ignored when the patient changes exercise loading.
  • A thoroughly detailed clinical history, physical examination, and plain radiographs were used diagnostically in this clinical case.
  • The best methods for the treatment of stress fractures include readjustment training protocols to prevent conversion to overt fractures.
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