Tuning Fork Test
Other Names
- Fork Test
- Tuning Fork Test
Purpose
- Detect source of pain, considering stress fracture
Description
- Patient is seated or supine
- The examiner places an actively vibrating tuning fork (typically 128 hertz) on the suspected injury
- Positive test
- Reproduction or worsening of patients pain
Pathology
Evidence
Stress Fracture in General
- Schneiders et al[2]
- Sensitivity: 35-92%
- Specificity: 19-83%
- LR+: 0.6 to 3.0
- LR-: 0.4 to 1.6
- PPD: 88%
- NPD: 46%
- Rosenthal et al[1]
- Sensitivity: 5.7%
- Specificity: 90.6%
- PPV: 40.6%
- NPV: 46.8%
- PLR: 0.61
- NLR: 1.04
- Overall Accuracy: 46%
See Also
References
- ↑ 1.0 1.1 Rosenthal, Michael D., Mitchell J. Rauh, and James E. Cowan. "Prospective Assessment of Clinical Tests Used to Evaluate Tibial Stress Fracture." Orthopaedic Journal of Sports Medicine 10.9 (2022): 23259671221122356.
- ↑ Schneiders AG, Sullivan SJ, Hendrick PA, Hones BD, McMaster AR, Sugden BA, Tomlinson C. The ability of clinical tests to diagnose stress fractures: a systematic review and meta-analysis. J Orthop Sports Phys Ther. 2012 Sep;42(9):760-71. doi: 10.2519/jospt.2012.4000. Epub 2012 Jul 19.