Effect of Kinesio® Taping in Chronic Ankle Instability

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-01-31

Study Completion Date

2013-12-31

Brief Summary

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The Objective is to examine the immediate and prolonged effects (seven days) of Kinesio® Tape (KT) on balance in subjects with chronic ankle instability using Computerized dynamic posturography (CDP). Design. A 7 days follow-up, single-blind randomized controlled trial. Setting. University community. Participants. A sample of 30 subjects aged 18 to 28 with CAI and subjective perception of ankle instability (FAI) was enrolled in this study. Interventions. Participants will be randomly divided into two groups: an experimental group in which was applied KT, and a control group in which was applied a placebo tape.Objective. To examine the immediate and prolonged effects (seven days) of Kinesio® Tape (KT) on balance in subjects with chronic ankle instability using Computerized dynamic posturography (CDP). Design. A 7 days follow-up, single-blind randomized controlled trial. Setting. University community. Participants. A sample of 30 subjects aged 18 to 28 with CAI and subjective perception of ankle instability (FAI) was enrolled in this study. Interventions. Participants were randomly divided into two groups: an experimental group in which was applied KT, and a control group in which was applied a placebo tape. Main Outcome Measure(s). The CDP device employed in this study was Smart Equitest® version 8.2. CDP analysis was conducted using the Sensory organization test (SOT). The composite SOT score (COMP) and the composite SOT strategy (STR), the partial score for SOT condition 2 (SOT 2) and its strategy (STR 2) were considered as outcomes measures.

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Detailed Description

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Participants were randomly distributed (using the QuickCalcs application from GraphPad Software)a into two groups: an experimental group in which was applied KT, and a control group in which was applied a placebo tape. All outcomes in both groups were assessed by an assessor blinded to the subject´s allocation. Individuals were also blinded to the allocation group. Balance was assessed using the SOT under three conditions: (1) without taping; (2) immediately following application; (3) following 7 days of use.

Computerized dynamic posturography is used to measure the balance. Subjects had to maintain their COG stable in 3 consecutive series of 20s duration for each of the 6 conditions in the test. In the first 3 conditions, the platform remained fixed. Condition 1 was conducted with open eyes, condition 2 with closed eyes and condition 3 with a mobile visual environment referenced to postural oscillations. Conditions 4, 5 and 6 repeated the visual conditions of the first 3 tests and added platform movement referenced to the anteroposterior oscillation of the subject, with the ankle-foot angle remaining constant, thus annulling proprioceptive sensory input.

The system utilizes force-plate technology (two 23 × 46 cm footplates) to determine the location of the COG within predefined 75% limits of stability while adjusting for an individual subject's height (COG = 0.55 × height). For each test, the software provides measures of postural sway and the ability to maintain the COG within a predefined target area resulting in partial scores for each condition and an overall balance score (composite SOT score, COMP) (%). The theoretical maximum displacement a normal subject may sway without fall is assumed to be 12.5 degrees (8.25 degrees anterior, 4.25 degrees posterior). The equilibrium score = 12.5 - Ɵ (maximum - minimum)/12.5 × 100%, where Ɵ is the maximum anteroposterior COG sway angle recorded in each trial. Values close to 100% indicated minimum balancing. Test was scored with a value of 0 when patients needed help or took a step to maintain balance.

SOT condition 2 is the best trial in order to assess the influence of KT on proprioceptive system in subjects without vestibular deficits. As primaries outcome measures, the composite SOT score (COMP) and the composite SOT strategy (STR), were chosen. The partial score for SOT condition 2 (SOT 2) and its strategy (STR 2) were considered as secondary outcomes measures. SOT condition 2 is carried out with closed eyes. Therefore, balance under this condition is controlled mainly by the proprioceptive system, in which, according several authors, KT could have an effect. Under these All subjects were initially familiarized with the CDP before undergoing. Multiple baseline measures of the SOT were administrated in order to document change due to tape application and to avoid the learning effect.26 It has been suggested a short-term adaption that reduces the postural sway by either increasing the stiffness in the ankles or through reweighting of sensory information.

Conditions

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Ankle Sprain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Kinesio-Tape group

In this study, Sport tex® kinesiotape over lateral ankle (6cm\*2.5m) is used.

Group Type EXPERIMENTAL

taping of ankle sprain

Intervention Type PROCEDURE

All participants were taped for a lateral ankle sprain. The individual is in supine position keeping the foot and ankle in a neutral position. The strip (I) is applied with not stretch in the outside of the leg just above the ankle, and then the rest of the strip is applied on the outside of the ankle and under the heel.

Sport tex® kinesiotape

Intervention Type DEVICE

Placebo Tape Group

In the placebo group, Pretape Cramer® (100% cotton, 1.25cm\*10m) was used. With patient in the same position described above, horizontal strips were placed covering the sural region with no defined direction.

Group Type PLACEBO_COMPARATOR

taping of ankle sprain

Intervention Type PROCEDURE

All participants were taped for a lateral ankle sprain. The individual is in supine position keeping the foot and ankle in a neutral position. The strip (I) is applied with not stretch in the outside of the leg just above the ankle, and then the rest of the strip is applied on the outside of the ankle and under the heel.

Pretape Cramer®

Intervention Type DEVICE

Interventions

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taping of ankle sprain

All participants were taped for a lateral ankle sprain. The individual is in supine position keeping the foot and ankle in a neutral position. The strip (I) is applied with not stretch in the outside of the leg just above the ankle, and then the rest of the strip is applied on the outside of the ankle and under the heel.

Intervention Type PROCEDURE

Sport tex® kinesiotape

Intervention Type DEVICE

Pretape Cramer®

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* history of at least 1 acute lateral ankle sprain that resulted in swelling, pain, and temporary loss of function (but none in the previous 3 months).
* history of multiple episodes of the ankle ''giving-way'' in the past 6 months-
* a score below 27 in the Cumberland Ankle Instability Tool.
* evidence of mechanical instability assessed by a physician using an anterior drawer test

Exclusion Criteria

* history of lower limb injury other than the unilateral Chronic ankle instability and skin allergy to the tape.
* To be actively involved in any kind of physical activity or rehabilitation program.

Minimum Eligible Age

18 Years

Maximum Eligible Age

28 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No