In this systematic review, Mugunthan et al 4 evaluated the accuracy of tuning-fork tests in clinical practice for diagnosing fractures.
However, it has been suggested that a positive tuning-fork test is demonstrated either by way of increased pain from placing the vibrating tuning fork over the fracture site or by an audible decrease in sound conduction (detected via stethoscope) when placing the vibrating tuning fork over a bony prominence distal to the fracture site and comparing it with the healthy limb. Standard practice and training in using tuning forks for clinical practice are lacking. Tuning forks may be a cost-effective screening tool for practitioners examining patients with suspected fractures. 1 The current reference standard for diagnosing fractures is magnetic resonance imaging, radiography, or bone scan. The increased costs of imaging have demonstrated a need for a cost-effective and reproducible method or tool that would aid athletic trainers in the physical examination of suspected fractures in clinical practice. When performing a diagnostic test, it is important for athletic trainers to understand the diagnostic accuracy of the test to help rationalize either ruling in or ruling out a specific condition.
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