The Postural Control in Individuals With the Structural Leg-length Discrepancy

NCT ID: NCT03048656

Last Updated: 2017-02-10

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

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

38 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-01-18

Study Completion Date

2017-02-01

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The structural leg-length inequality caused by the shortening of a segment of an extremity, results in an altered position of lower limb joints, the pelvis and the spine in static as well as dynamic conditions. That may induce a disturbance of the postural control.

The objective of this study is to investigate the effect of the structural LLD on the control of the posture.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

The measurement of the weight distribution and the static posturography is performed on the balance platform Good Balance by Metitur . The device is comprised of the triangular force platform (800 mm x 800 mm x 800 mm) with electronic system and computer software. The body weight distribution is evaluated in the upright standing with eyes open, feet placed 20 cm from each other or narrower in children, with upper extremities in relaxed position by sides. The individual stands motionlessly for 15 s, then the measurement is recorded. The results of each lower extremity loading and a difference in weight bearing between extremities are expressed in percentages (%) .

The static posturography examination is performed with 3 various positions of feet, both with eyes open (EO) and eyes closed (EC). (1) Position : normal standing - an upright standing with feet placed parallel 20 cm apart. (2) Position: tandem - a stance with one foot placed ahead of the other, medial edge of feet was put on the midline of the balance platform. In the experimental group 2 trials were recorded: (a) foot of the shorter leg in the front, (b) foot of the shorter leg in the rear. In the control group also 2 trials are performed: (c) foot of the right leg in the front, (d) foot of the left leg in the front. (3) Position: one leg standing: stance on the one leg, foot placed 10 cm from midline of the platform, the other - 90 degrees flexion of the knee and the hip, test performed only with EO. Every participant is supposed to stand motionlessly for 30 s in normal standing , or for 20 s in tandem .and one leg standing position. Conditions of the posturographic examination involved : quiet and normally lit room , standing barefoot , the eyesight directed at a point in the distance of 2 m , glasses or contact lenses are worn if they are normally needed, arms held in the front of the body with hands together in order to limit movements of upper extremities . The recording is initiated when a stable position is attained . Each test is performed once .

Mean velocity (mm/s) of COP sway is measured as a quantitative parameter of the postural control assessment . Mean COP sway velocity is recorded both in anteroposterior (AP) and mediolateral (ML) directions .

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Leg Length Inequality

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Individuals with leg-length discrepancy

Patients of Department of Paediatric Orthopaedics and Traumatology, Poznan University of Medical Sciences diagnosed with leg-length discrepancy. The examination of participants included a measurement of the length of lower limbs and the weight distribution as well as performing the static posturography.

Group Type EXPERIMENTAL

static posturography

Intervention Type OTHER

The measurement of the weight distribution and the static posturography was performed on the balance platform Good Balance by Metitur . The device is comprised of the triangular force platform with electronic system and computer software. The body weight distribution was evaluated in the upright standing with eyes open, feet placed 20 cm from each other.The individual stood motionlessly for 15 s, then the measurement was recorded. The static posturography was performed with 3 various positions of feet, both with eyes open and eyes closed. (1) Position : normal standing - an upright standing with feet placed parallel 20 cm apart for 30 s. (2) Position: tandem - a stance with one foot placed ahead of the other. for 20 s. (3) Position: one leg standing: stance on the one leg for 20 s.

control group

The group with healthy individuals; without leg-length discrepancy. The examination of participants included a measurement of the weight distribution as well as performing the static posturography.

Group Type ACTIVE_COMPARATOR

static posturography

Intervention Type OTHER

The measurement of the weight distribution and the static posturography was performed on the balance platform Good Balance by Metitur . The device is comprised of the triangular force platform with electronic system and computer software. The body weight distribution was evaluated in the upright standing with eyes open, feet placed 20 cm from each other.The individual stood motionlessly for 15 s, then the measurement was recorded. The static posturography was performed with 3 various positions of feet, both with eyes open and eyes closed. (1) Position : normal standing - an upright standing with feet placed parallel 20 cm apart for 30 s. (2) Position: tandem - a stance with one foot placed ahead of the other. for 20 s. (3) Position: one leg standing: stance on the one leg for 20 s.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

static posturography

The measurement of the weight distribution and the static posturography was performed on the balance platform Good Balance by Metitur . The device is comprised of the triangular force platform with electronic system and computer software. The body weight distribution was evaluated in the upright standing with eyes open, feet placed 20 cm from each other.The individual stood motionlessly for 15 s, then the measurement was recorded. The static posturography was performed with 3 various positions of feet, both with eyes open and eyes closed. (1) Position : normal standing - an upright standing with feet placed parallel 20 cm apart for 30 s. (2) Position: tandem - a stance with one foot placed ahead of the other. for 20 s. (3) Position: one leg standing: stance on the one leg for 20 s.

Intervention Type OTHER

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* for patients: structural leg length discrepancy
* for healthy volunteers: symmetrical length of lower limbs

Exclusion Criteria

* for patients: achondroplasia, non-union, idiopathic scoliosis, extremity shortening in the course of neurological disease (e.g. Cerebral Palsy), vestibular disorder (e.g. Ménière's disease), diabetes, sensory disorder, intake of medications affecting psychomotor activity, dizziness, neurological diseases (e.g. epilepsy), BMI\>30, using mobility aids (e.g. crutches)
* for healthy volunteers: leg-length discrepancy, scoliosis, faulty posture, vestibular disorders, diabetes, intake of medications affecting psychomotor activity, dizziness, sensory disorders, neurological disease, BMI\>30.
Minimum Eligible Age

6 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Poznan University of Medical Sciences

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Małgorzata Eliks

Assistant, MSc

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Przemysław Lisiński, PhD

Role: STUDY_DIRECTOR

Poznan University of Medical Sciences

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Poznan University of Medical Sciences

Poznan, , Poland

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Poland

References

Explore related publications, articles, or registry entries linked to this study.

Mahar RK, Kirby RL, MacLeod DA. Simulated leg-length discrepancy: its effect on mean center-of-pressure position and postural sway. Arch Phys Med Rehabil. 1985 Dec;66(12):822-4.

Reference Type BACKGROUND
PMID: 4074116 (View on PubMed)

Murrell P, Cornwall MW, Doucet SK. Leg-length discrepancy: effect on the amplitude of postural sway. Arch Phys Med Rehabil. 1991 Aug;72(9):646-8.

Reference Type BACKGROUND
PMID: 1859258 (View on PubMed)

Sabharwal S, Kumar A. Methods for assessing leg length discrepancy. Clin Orthop Relat Res. 2008 Dec;466(12):2910-22. doi: 10.1007/s11999-008-0524-9. Epub 2008 Oct 4.

Reference Type BACKGROUND
PMID: 18836788 (View on PubMed)

Lisinski P, Huber J, Gajewska E, Szlapinski P. The body balance training effect on improvement of motor functions in paretic extremities in patients after stroke. A randomized, single blinded trial. Clin Neurol Neurosurg. 2012 Jan;114(1):31-6. doi: 10.1016/j.clineuro.2011.09.002. Epub 2011 Oct 2.

Reference Type BACKGROUND
PMID: 21963145 (View on PubMed)

Swaminathan V, Cartwright-Terry M, Moorehead JD, Bowey A, Scott SJ. The effect of leg length discrepancy upon load distribution in the static phase (standing). Gait Posture. 2014 Sep;40(4):561-3. doi: 10.1016/j.gaitpost.2014.06.020. Epub 2014 Jul 17.

Reference Type BACKGROUND
PMID: 25082323 (View on PubMed)

Pajala S, Era P, Koskenvuo M, Kaprio J, Tolvanen A, Heikkinen E, Tiainen K, Rantanen T. Contribution of genetic and environmental effects to postural balance in older female twins. J Appl Physiol (1985). 2004 Jan;96(1):308-15. doi: 10.1152/japplphysiol.00660.2003. Epub 2003 Sep 5.

Reference Type BACKGROUND
PMID: 12959956 (View on PubMed)

Betsch M, Rapp W, Przibylla A, Jungbluth P, Hakimi M, Schneppendahl J, Thelen S, Wild M. Determination of the amount of leg length inequality that alters spinal posture in healthy subjects using rasterstereography. Eur Spine J. 2013 Jun;22(6):1354-61. doi: 10.1007/s00586-013-2720-x. Epub 2013 Mar 13.

Reference Type BACKGROUND
PMID: 23479027 (View on PubMed)

Betsch M, Wild M, Grosse B, Rapp W, Horstmann T. The effect of simulating leg length inequality on spinal posture and pelvic position: a dynamic rasterstereographic analysis. Eur Spine J. 2012 Apr;21(4):691-7. doi: 10.1007/s00586-011-1912-5. Epub 2011 Jul 17.

Reference Type BACKGROUND
PMID: 21769443 (View on PubMed)

Young RS, Andrew PD, Cummings GS. Effect of simulating leg length inequality on pelvic torsion and trunk mobility. Gait Posture. 2000 Jun;11(3):217-23. doi: 10.1016/s0966-6362(00)00048-5.

Reference Type BACKGROUND
PMID: 10802434 (View on PubMed)

Eliks M, Ostiak-Tomaszewska W, Lisinski P, Koczewski P. Does structural leg-length discrepancy affect postural control? Preliminary study. BMC Musculoskelet Disord. 2017 Aug 9;18(1):346. doi: 10.1186/s12891-017-1707-x.

Reference Type DERIVED
PMID: 28793888 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

418/14

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.