Lower extremity functional-performance testing, Part 3

Joshua M. Drouin, Brian L. Riemann

Research output: Contribution to journalSystematic reviewpeer-review

Abstract

The literature indicates that single-leg-hop testing provides reliable, objective measures of lower extremity function that should be incorporated in clinical decisions regarding rehabilitation progression and return to play. The clinician must, however, be aware of several issues and limitations when implementing single-leg-hop tests as a measure of functional performance. Standardized implementation is required to ensure reliable performance on all single-leg-hop tests. Furthermore, the clinician must understand the inherent measurement error of single-leg-hop tests to appropriately conclude whether a real improvement in functional performance has occurred after an intervention. It must also be recognized that the validity of these tests has not yet been established. Hop tests are only a controlled simulation of full participation and therefore have inherent limitations. Currently, the most widely accepted method for interpreting test performance is to calculate an LSI for two or more tests and grade performance that exceeds 85% as acceptable lower limb function. Furthermore, clinicians must recognize that the incidence of repeat injury after return to play might not be directly inferred based on the level of performance on a single-leg-hop test. The level of lower limb function as evaluated with a single-leg-hop test has not yet been compared with potential for reinjury. Finally, the decision to implement a battery of single-leg-hop tests should be based on standardized screening criteria and the decision of which tests to use made by matching the biomechanical demands of a specific test with the patient's specific pathology.

Original languageEnglish
Pages (from-to)32-35
Number of pages4
JournalAthletic Therapy Today
Volume9
Issue number4
DOIs
StatePublished - Jul 2004

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