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Completed

NCT Number: NCT07084220

The Effect of Cognitive Tasks on Single Limb Balance

Purpose of the Study: The purpose of this study is to evaluate the effects of performing various cognitive tasks on balance in individuals with chronic ankle instability and healthy controls. Three different cognitive tasks will be performed while participants balance on one limb. Chronic ankle instability is defined as having a history of at least one ankle sprain and having residual effects. The specific aims of this study are to:

1. Determine if performing the cognitive tasks effect single limb balancing. 2. Determine which cognitive task, if any, has the greatest effect on single limb balance.

Participants will perform single-limb balancing with eyes open on the force plate while performing one of the four cognitive tasks. You will start with the control condition, the order of cognitive tasks will be random. Testing will occur on both limbs.

1. Each trial will last 1 minute. There will be at least a 30 second rest period between trials. 2. You will perform 3 trials of each cognitive task prior to moving on to the next task. There will be a 5 minute rest between cognitive tasks. 3. You will complete all testing on one limb (counterbalanced) prior to moving to the other limb.

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Key information

Conditions

Chronic Ankle Instability, CAI Healthy Participants

Age range

18 year–40 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Burdick Hall

Towson, Maryland, 21252, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Between 18-40 years old
  • Lower extremity injury-free for at least 3 months
  • No previous history of foot or ankle surgery on either limb
  • No known history of known foot or ankle fracture on either limb
  • No known neurological or vestibular disorders, or other medical conditions affecting balance, including ear infections
  • Does not have diabetes mellitus
  • No self-reported disability due to lower extremity pathology
  • No previous history of ankle sprain on either limb as reported on the Modified Ankle Instability Index questionnaire
  • A score lower than 10 on the Identification of Functional Ankle Instability questionnaire

Exclusion criteria

-

Treatment and study plan

Primary outcomes

  1. Balance

    Time frame: 30 second trials

    Force plate derived measures (center of pressure and time to boundary) will be collected.

Secondary outcomes

  1. Cognitive errors

    Time frame: 30 seconds

    The number of cognitive errors during cognitive tasks.

Sponsors and collaborators

Lead sponsor

Towson University

Other

Registry information

Important dates

Study start
2019
Primary completion
2020
Study completion
2020
First posted
Jul 24, 2025
Registry last updated
Jul 24, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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