Reliability of physical examination tests for assessing hip flexor flexibility: A systematic review and meta-analysis

Abstract

To evaluate the reliability of physical examination tests used for assessing hip flexor flexibility, including the Modified Thomas Test (MTT), Thomas Test, Reactive Hip Flexor Test, Swing Test, and Falcon Test. Physical examination tests for hip flexor flexibility demonstrate generally high intra- and interrater reliability. However, considerable methodological variability was identified, particularly for the MTT and Thomas Test, suggesting a need for standardized protocols. Newer tests, such as the Falcon and Swing Tests, showed excellent reliability but require further validation.