Test for Extrinsic Tightness Special Test
Orthopedic Physical Examination & Clinical Assessment Guide
What is it used for?
- Assessing tightness of the Extensor Muscles.
How to Perform
- Action: Flex the fingers while the wrist is extended. Then flex the fingers while the wrist is flexed.
Interpretation of Results
- Positive Test: Fingers flex easily with wrist extended, but are restricted/cannot flex fully when the wrist is flexed.
Clinical Context & Limitations
The Test for Extrinsic Tightness should be considered as one component of a comprehensive musculoskeletal assessment. No single special test has perfect diagnostic accuracy; thus, clinical decision-making should integrate test results with patient-reported symptoms, mechanism of injury, functional impairment, and relevant imaging.
Clinicians should be aware of potential false-positive results in patients with pain sensitisation, muscle guarding, or poor relaxation. For the Wrist & Hand region, combining the Test for Extrinsic Tightness with complementary examination tests significantly improves overall diagnostic confidence.
References
- Magee, D. J. (2021). Orthopedic Physical Assessment.
