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Comparison Between Two Mobilization Techniques of Ankle on Balance in Patients With Chronic Ankle Instability

NCT ID: NCT03079804

Last Updated: 2017-10-26

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-01-30

Study Completion Date

2018-12-31

Brief Summary

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The ankle joint is often affected by injuries, especially lateral sprains, often leading to chronic instability. Joint mobilization techniques seem to influence the sense of joint positioning. The objective of the study is to compare mobilization techniques in the balance of athletes with chronic ankle instability. A randomized clinical trial with participants allocated in three groups: Talocrural manipulation, mobilization with movement and placebo will be assessed in their primary endpoints and secondary balance and dorsiflexion range of motion respectively.

Detailed Description

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Biodex Balance System: The unipodal stability protocol was used in the anteroposterior and laterolateral directions. The test lasts for 20 seconds with five levels of instability, with level six being more stable and level two more unstable. The participant performed an adaptation test with the system and subsequently assessed the performance of the balance in three tests in each limb between each 10-second test. This will be instructed about the positioning during its evaluation, being oriented to keep the gaze in the previous direction; Hands on waist; Contralateral knee flexed at 90º, foot positioning is referenced in degrees on the platform as anthropometric information provided on the participant. At the end, the results of the anteroposterior and lateral-lateral directions and the general index were collected.

Weight Bearing Lunge Test (WBLT): The WBLT consisting of the use of a tape measure has no soil in which the participant will support or be evaluated so that the first finger touches On the tape and its distance to a reference wall for tape measurement. Required that the participant performs ankle dorsiflexion in CCF with the purpose of approaching the knee in the wall avoiding to remove the heel of the ground, that is on a marking.

Y test: To evaluate the dynamic balance and reach of lower limbs will be used The test balance consisting of the evaluation of the participant's performance during the movements of anterior, posteromedial and posterolateral angle with the value measured in centimeters with metric tapes In Direction.

The protocol performed six replicates for adaptation and one final repeat that is considered as a result of the test. For an earlier point, the reference point used is not support for a fixed reference point for the intersection of the conditions and for two other directions used. It is necessary that the participant be the same as the member farthest from the starting point without touching the tape. At the end of the seventh repetition is measured or value and considered the test result.

Intervention: Participants are divided into three groups: Thrust Group in open kinetic chain; MWM group in closed kinetic chain and control group with placebo intervention. Allocation in one of the groups will be randomized by lot.

Taken as applications of the questionnaires and initial evaluations (BBS, WBLT, Y Test), the assays receive a specific technique, are reassessed with the BBS and WBLT.

Talocrural manipulation: The technique of talocrural manipulation consists in the application of traction with a high caudal direction. Follow with the participant in supine position and as two hands to therapist around the talocrural joint, fifth finger in the anterior talar region and the two thumbs in the plantar area do the participant performing a manipulation in the affected limb. It is not considered an audible cavitation presence.

Mobilization with Motion (MWM): The Mulligan® concept-mobilized manual therapy technique follows the following protocol: the athlete is positioned on a stretcher with the limb treated in hip and knee flexion and the contralateral limb in knee flexion And neutral hip. With the use of a belt in the hip region of the physiotherapist and on a distal tibiofibular joint of the participant and bulkhead between the limb and the belt, they are placed as two hands of the physiotherapist superimposed non-talus for stabilization. With the posterior removal of the physiotherapist's hip a distal end of the tibia and fibula will be tractioned and maintained anteriorly, while requested that the participant performed an active knee flexion movement in a closed kinetic chain in order to force the movement of ankle dorsiflexion And thus, once the end point for the purpose, a mobilization will be held for 10 seconds. The patient will return to the starting point resting for 20 seconds for a next mobilization. In all, 4 separate mobilizations.

Placebo intervention: The positioning of the hand in the specific treatment condition (Thrust or MWM) will be accurately reproduced, however, without any movement or force being applied. All interactions, procedures and deadlines are identical.

Conditions

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Ankle Sprains

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators
Opaque envelopes

Study Groups

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Experimental MWM

Other names:

4 mobilizations - 10 seconds 20 seconds of rest

Group Type EXPERIMENTAL

Experimental MWM

Intervention Type OTHER

Mobilization with Movement

Experimental Thrust

Intervention Type OTHER

Mobilization grade 5 (Thrust)

Placebo

Intervention Type OTHER

Procedures similar to Experimental MWM group, but without aplly any force

Experimental Thrust

Other names:

1 traction with caudal direction in high speed and low amplitude increasing dorsiflexion.

Group Type ACTIVE_COMPARATOR

Experimental MWM

Intervention Type OTHER

Mobilization with Movement

Experimental Thrust

Intervention Type OTHER

Mobilization grade 5 (Thrust)

Placebo

Intervention Type OTHER

Procedures similar to Experimental MWM group, but without aplly any force

Placebo

Other names:

It will accurately reproduce the positioning of the hand in the specific treatment condition (Thrust or MWM), however, without applying any movement or force. All interactions, procedures and deadlines will be identical.

Group Type PLACEBO_COMPARATOR

Experimental MWM

Intervention Type OTHER

Mobilization with Movement

Experimental Thrust

Intervention Type OTHER

Mobilization grade 5 (Thrust)

Placebo

Intervention Type OTHER

Procedures similar to Experimental MWM group, but without aplly any force

Interventions

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Experimental MWM

Mobilization with Movement

Intervention Type OTHER

Experimental Thrust

Mobilization grade 5 (Thrust)

Intervention Type OTHER

Placebo

Procedures similar to Experimental MWM group, but without aplly any force

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Be a regular practitioner of some sporting modality (with a minimum of one year of practice and training frequency of twice a week), with a history of at least one unilateral ankle sprain with episodes of pain and decreased function, as well as a subjective report of Ankle instability (sensation of falsehood) after ligament injury associated with a result lower than 24 points in the Portuguese version of the Cumberland Ankle Instability Tool - CAIT

Exclusion Criteria

* Participants with acute or subacute lesions and / or lower limb surgery.
Minimum Eligible Age

15 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Universidade Federal do Ceara

OTHER

Sponsor Role lead

Responsible Party

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Pedro Olavo de Paula Lima

Head of Department of Physical Therapy

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Pedro Lima, PhD

Role: PRINCIPAL_INVESTIGATOR

UFC - DEFISIO

Locations

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Universidade Federal do Ceará

Fortaleza, Ceará, Brazil

Site Status RECRUITING

Countries

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Brazil

Central Contacts

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Pedro Lima, PhD

Role: CONTACT

Phone: 5585988643219

Email: [email protected]

Facility Contacts

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Pedro O Lima, Professor

Role: primary

Laísa B Maia, Student

Role: backup

Other Identifiers

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POdePLima

Identifier Type: -

Identifier Source: org_study_id