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Effects of Neurocognitive Multitask Activities on a Novel Lower Extremity Functional Performance Test.

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Title: Effects of Neurocognitive Multitask Activities on a Novel Lower Extremity Functional Performance Test.
Authors: Stoddard, Sidney M., Hill, Logan, Riemann, Bryan L., Davies, George J.
Source: Journal of Sport Rehabilitation; Nov2025, Vol. 34 Issue 8, p904-910, 7p
Subject Terms: LEG physiology, EXERCISE physiology, REPEATED measures design, HUMAN multitasking, COGNITIVE testing, TASK performance, DATA analysis, FUNCTIONAL assessment, STATISTICAL sampling, QUESTIONNAIRES, RANDOMIZED controlled trials, QUANTITATIVE research, DESCRIPTIVE statistics, CHI-squared test, RESEARCH, ANALYSIS of variance, STATISTICS, PHYSICAL fitness, EXERCISE tests, BODY movement, COMPARATIVE studies, DATA analysis software, PHYSICAL activity
Abstract: Objective: To examine the effects of incorporating (1) a neurocognitive reactive component and (2) a neurocognitive multitask component on performance degradation of a single-limb hop functional performance test. Design: Randomized within-subject design of 32 healthy young adults. Methods: Participants performed 3 randomly assigned variations of the single-limb T-Drill Hop Test (TDHT). The time to complete each test was recorded. The reactive TDHT (R-TDHT) consisted of the TDHT with a flashing light, indicating the "T" intersection hop direction. The neurocognitive reactive-recall TDHT (RR-TDHT) incorporated the R-TDHT and required participants to observe 5 flashing light colors. Participants then recalled the colors in order at test completion. Each test was performed on the dominant and nondominant lower extremities in a randomly assigned order. Within-group differences in completion time between tests were calculated using a test by limb analysis of variance. Results: Test complexity prompted similar completion time changes between the limbs (P =.718, η p 2 =.011). The R-TDHT (P =.001, d =.12) and RR-TDHT (P <.001, d = 0.24) completion times were significantly longer than the TDHT, and the RR-TDHT completion time was significantly longer (P <.001, d = 0.11) than the R-TDHT. The completion time differences between TDHT and R-TDHT and between R-TDHT and RR-TDHT were statistically identical (P =.770, d = 0.05). There was no statistically significant completion time difference between the dominant and nondominant limbs (P =.420, d = 0.06). Conclusion: The inclusion of a neurocognitive reactive activity and a multitask neurocognitive reactive-recall activity to a functional performance test significantly increased the test completion time compared with the functional performance test alone. The addition of a neurocognitive reactive component or a multitask neurocognitive reactive-recall component to the TDHT provides an effective means of improving the ecological validity of the current lower extremity functional performance test. [ABSTRACT FROM AUTHOR]
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Abstract:Objective: To examine the effects of incorporating (1) a neurocognitive reactive component and (2) a neurocognitive multitask component on performance degradation of a single-limb hop functional performance test. Design: Randomized within-subject design of 32 healthy young adults. Methods: Participants performed 3 randomly assigned variations of the single-limb T-Drill Hop Test (TDHT). The time to complete each test was recorded. The reactive TDHT (R-TDHT) consisted of the TDHT with a flashing light, indicating the "T" intersection hop direction. The neurocognitive reactive-recall TDHT (RR-TDHT) incorporated the R-TDHT and required participants to observe 5 flashing light colors. Participants then recalled the colors in order at test completion. Each test was performed on the dominant and nondominant lower extremities in a randomly assigned order. Within-group differences in completion time between tests were calculated using a test by limb analysis of variance. Results: Test complexity prompted similar completion time changes between the limbs (P =.718, η p 2 =.011). The R-TDHT (P =.001, d =.12) and RR-TDHT (P <.001, d = 0.24) completion times were significantly longer than the TDHT, and the RR-TDHT completion time was significantly longer (P <.001, d = 0.11) than the R-TDHT. The completion time differences between TDHT and R-TDHT and between R-TDHT and RR-TDHT were statistically identical (P =.770, d = 0.05). There was no statistically significant completion time difference between the dominant and nondominant limbs (P =.420, d = 0.06). Conclusion: The inclusion of a neurocognitive reactive activity and a multitask neurocognitive reactive-recall activity to a functional performance test significantly increased the test completion time compared with the functional performance test alone. The addition of a neurocognitive reactive component or a multitask neurocognitive reactive-recall component to the TDHT provides an effective means of improving the ecological validity of the current lower extremity functional performance test. [ABSTRACT FROM AUTHOR]
ISSN:10566716
DOI:10.1123/jsr.2024-0433