Observational studyPhysiotherapy research international : the journal for researchers and clinicians in physical therapy2026
Effects of Cognitive and Motor Dual-Task Conditions on Reaction Time, Proprioception, and Proprioceptive Force Sense in Individuals After Anterior Cruciate Ligament Reconstruction: A Pilot Study.
Observational study in Physiotherapy research international : the journal for researchers and clinicians in physical therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06755398 (The Effect of Cognitive-Based Neuromuscular Exercises on Reaction Time, Joint Position Sense, Proprioceptive Force Sense and Balance in Individuals Who Had Anterior Cruciate Ligament Surgery), which is not on this map. Not yet cited in PubMed.
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The Effect of Cognitive-Based Neuromuscular Exercises on Reaction Time, Joint Position Sense, Proprioceptive Force Sense and Balance in Individuals Who Had Anterior Cruciate Ligament Surgery
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2 authors.
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Abstract
background and purposeSensorimotor impairments are common following anterior cruciate ligament reconstruction (ACLR); however, the effects of cognitive and motor dual-task conditions on reaction time, joint position sense, and proprioceptive force sense in the early postoperative period remain unclear. The purpose of this study was to examine the effects of single-task, cognitive dual-task, and motor dual-task conditions on these sensorimotor parameters at the eighth postoperative week following ACLR.
methodsThis prospective observational pilot study was conducted in individuals following ACLR. Twenty-one participants who underwent unilateral ACLR using a hamstring autograft were included. After completion of an 8-week home-based rehabilitation program, assessments were performed under single-task, cognitive dual-task, and motor dual-task conditions. Reaction time was evaluated using a light-based response system, joint position sense was assessed with a passive joint repositioning task, and proprioceptive force sense was measured using a pressure biofeedback unit. Differences between task conditions were analyzed using one-way repeated-measures analysis of variance, with effect sizes reported as partial eta squared (η
resultsSignificant differences were observed among task conditions for reaction time outcomes (p < 0.001), with the best performance under single-task conditions and the poorest performance under motor dual-task conditions (η DISCUSSION: In the early period following ACLR, increasing task demands negatively affect reaction time and proprioceptive force sense, whereas passive joint position sense appears relatively resistant to short-term dual-task interference. These findings suggest the relevance of incorporating dual-task considerations into sensorimotor assessment and rehabilitation following ACLR.
trial registrationClinicalTrials.gov: NCT06755398.
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