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Evaluating displacement of the coracoacromial ligament in painful shoulders of overhead athletes PDF Stampa E-mail
Sabato 27 Febbraio 2010 15:11

Evaluating displacement of the coracoacromial ligament in painful shoulders of overhead athletes through dynamic ultrasonographic examination


Wu CH, Wang YC, Wang HK, Chen WS, Wang TG.

Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan, ROC.

 

OBJECTIVE: To evaluate displacement of the coracoacromial ligament (CAL), using dynamic ultrasonography (US), for detecting instability-related impingement caused by overhead activities. DESIGN: Between-group survey. SETTING: Department of Physical Medicine and Rehabilitation in a tertiary care center. PARTICIPANTS: Volunteer high school volleyball players with unilateral shoulder pain (n=10) and volunteer asymptomatic high school volleyball players with identical training activities as control subjects (n=16). INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: The displacement of the CAL was measured during throwing simulation using dynamic US. Both shoulders of all subjects were evaluated. RESULTS: During throwing simulation, the displacement of the CAL in the painful shoulders of overhead athletes increased significantly greater than the displacement in the asymptomatic shoulder (3.0+/-0.7 mm and 2.2+/-0.4 mm, respectively; P=.017). No difference was identified between the displacements of the CALs of bilateral shoulders of the control group subjects. CONCLUSIONS: Dynamic US, by measuring the displacement of the CAL during simulation of throwing, may be helpful in detecting abnormal humeral head upward migration in overhead athletes. Copyright 2010 American Congress of Rehabilitation Medicine.

(Arch Phys Med Rehabil. 2010 Feb;91(2):278-82.)



Ultimo aggiornamento Venerdì 05 Marzo 2010 08:53
 

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