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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04302961
Other study ID # 19-0552
Secondary ID
Status Completed
Phase Early Phase 1
First received
Last updated
Start date October 5, 2020
Est. completion date June 30, 2021

Study information

Verified date November 2023
Source University of North Carolina, Charlotte
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

There is evidence to support individuals with chronic ankle instability (CAI) have altered gait biomechanics which may lead to re-injury and poor patient outcomes. Currently, there are no interventions specifically targeting these abnormal gait biomechanics. Evidence supports the use of an external focus of attention feedback to promote motor learning and retention. The overall purpose of randomized clinical trial is to determine the effects of a 2-week (8 session) gait retraining protocol using an auditory external feedback instrument can (1) alter biomechanics during functional tasks (walking, step-down, lunge, lateral hops, and balance) (2) improve ankle cartilage measures and (3) improve patient-reported outcome measures.


Recruitment information / eligibility

Status Completed
Enrollment 28
Est. completion date June 30, 2021
Est. primary completion date June 30, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 40 Years
Eligibility Inclusion Criteria: - History of at least one ankle sprain - Index ankle sprain > 12 months prior to study enrollment - Most recent ankle sprain > 12 weeks prior to study enrollment - Score >10 on the Identification of Functional Ankle Instability (IdFAI) survey. - Score <95% on the Foot and Ankle Ability Measure (FAAM) Activities of Daily Living and a <85% on the Sport subscales - Be physically active by participating in some form of physical activity for at least 20 min per day, three times per week. Exclusion Criteria: - History of ankle surgery - History of other musculoskeletal injuries within the past 6 weeks - Any condition affecting plantar pressure distribution - Neurological or vestibular disorders affecting balance - Current/previous self-reported disability due to lower extremity pathology that may adversely affect neuromuscular function

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Auditory Feedback
Participants will complete 8 sessions over a 2-week period of walking gait retraining on a treadmill while receiving no feedback. Participants will be instructed to walk on a treadmill at their desired pace in a manner that does not cause the auditory tool to elicit a noise.
No Feedback
Participants will complete 8 sessions over a 2-week period of walking gait retraining on a treadmill while receiving no feedback. Participants will be instructed to walk on a treadmill at their desired pace in a manner that they perceive to be their normal walking speed and mechanics.

Locations

Country Name City State
United States UNC Charlotte Charlotte North Carolina

Sponsors (1)

Lead Sponsor Collaborator
University of North Carolina, Charlotte

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes from baseline in lower extremity kinetics during walking Plantar pressure and center of pressure trajectory measured with an in-shoe plantar pressure system Immediate post-intervention, 1-week post-intervention
Primary Changes from baseline in talar cartilage deformation before and after walking Talar cartilage thickness and cross-sectional area will be measured with an diagnostic ultrasound imaging system Immediate post-intervention, 1-week post-intervention
Primary Changes from baseline in self-reported ankle function Changes from baseline in self-reported function as measured by the Foot and Ankle Ability Measure (FAAM) Activities of Daily Living and Sport questionnaire. Scores range from 100% (no decrease in function) to 0% (complete loss of function). Immediate post-intervention, 1-week post-intervention
Secondary Changes from baseline in static balance Static balance will be measured via a force plate Immediate post-intervention, 1-week post-intervention
Secondary 2. Changes from baseline in plantar pressure during forward lunges, lateral hops, and a step-down Plantar pressure during forward lunges, lateral hops, and a step-down will be recorded with an in-shoe insole system. Immediate post-intervention, 1-week post-intervention
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