Varus instability of the hallux interphalangeal joint in a taekwondo athlete.

Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, 300 Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, Korea.
British journal of sports medicine (Impact Factor: 3.67). 01/2008; 41(12):917-9. DOI: 10.1136/bjsm.2007.035501
Source: PubMed

ABSTRACT The hallux interphalangeal joint is stable in the transverse plane and there have been only a few reports of varus instability of this joint. A case is described of varus subluxation of the hallux interphalangeal joint in a taekwondo athlete and the surgical outcome after reconstruction of the collateral ligament. Taekwondo athletes, who require fast powerful kicks, should be warned about this type of forefoot injury.

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    ABSTRACT: Citation in:The fencing lunge: analysis of load distribution to the lower limbs and gender-related differences in Young fencers in relation to accident prevention / L’affondo nella scherma giovanile: analisi del carico imposto ai due arti inferiori e differenze di genere per la prevenzione degli infortuni Medicina dello Sport 2010 12 20 settembre pg 353-364
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    ABSTRACT: OBJECTIVE:: This study was conducted to categorize barefoot stubbing injuries to the great toe in children by injury mechanism in order to differentiate benign stubbing injuries from more complex injuries necessitating surgery. DESIGN:: Prospective clinical series of consecutively treated patients SETTING:: Tertiary university hospital setting. PATIENTS:: Forty-one children who had sustained an indirect injury to the great toe during barefoot sports activities between January 2001 and December 2009 were included. INTERVENTION:: Conservative or surgical treatment was done according to clinical and radiologic findings. MAIN OUTCOME MEASUREMENT:: Information regarding injury mechanism was collected from patients, parents and coaches using skeletal models and assessed by a pediatric orthopedic surgeon. Mechanisms of injury were identified and grouped as follows: hyperabduction-flexion, hyperflexion, hyperabduction-extension, hyperextension, and hyperextension-adduction. RESULTS:: Hyperabduction-flexion was the most common mechanism (n=16), in which interphalangeal joint dislocation and skin disruption was noted in most cases. The second most common mechanism was hyperabduction-extension (n=14) in which avulsion fracture of the lateral volar condyle of the proximal phalanx was noted in most cases. This avulsion fracture had the worst prognosis after conservative care. CONCLUSION:: Based on these results, we have created a grading system and treatment protocol for indirect hallux sports injuries in children. Avulsion fracture of the lateral condyle of the proximal phalanx, a result of hyperabduction-extension, is a high risk sign of nonunion and should be aggressively treated, contrary to previous guidelines. LEVEL OF EVIDENSCE:: Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence.
    Journal of orthopaedic trauma 02/2013; · 1.78 Impact Factor
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    ABSTRACT: Chronic varus instability of the hallux interphalangeal joint is a rare injury, and only a few reports of this injury have been published. In some studies, this injury has been related to taekwondo. Taekwondo is an essential martial art in the Korean military. We have described a case of varus instability of the hallux interphalangeal joint in a professional soldier who had practiced taekwondo for 5 years and the surgical outcome after reconstruction of the lateral collateral ligament with the fourth toe extensor tendon.
    The Journal of foot and ankle surgery: official publication of the American College of Foot and Ankle Surgeons 01/2014;

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