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Knee Surg Sports Traumatol Arthrosc. 2013 Feb;21(2):380-7. doi: 10.1007/s00167-012-2026-2. Epub 2012 May 4.

A unique foot-worn device for patients with degenerative meniscal tear.

Author information

1
AposTherapy Research Group, Herzliya, Israel.

Abstract

PURPOSE:

The purpose of the current study was to assess the effects of a new foot-worn device on the gait, physical function and pain in patients suffering from knee osteoarthritis (OA) who had a low-impact injury to the medial meniscus causing a degenerative meniscal tear.

METHODS:

A retrospective analysis of 34 patients with knee OA and a degenerative medial meniscal tear was performed. Patients underwent a gait evaluation, using an electronic walkway mat, and completed the SF-36 health survey and the WOMAC questionnaire at baseline and after 3 and 12 months of therapy. AposTherapy is a functional, biomechanical, non-invasive rehabilitation therapy consisting of a foot-worn device that is individually calibrated to each patient and is used during activities of daily living. Repeated-measures analyses were performed to compare gait parameters and self-evaluation questionnaires between baseline, and 3 and 12 months.

RESULTS:

Significant improvements were found in gait velocity, step length and single-limb support of the involved knee following 12 weeks of therapy (all p < 0.01), alongside an improvement in limb symmetry. These results were maintained at the 12-month follow-up examination. Significant improvements were also found in all three domains of the WOMAC index (pain, stiffness and physical function) and in the SF-36 Physical Health Scale and the SF-36 Mental Health Scale (all p < 0.01).

CONCLUSIONS:

Patients with knee OA and a degenerative medial meniscal tear using a biomechanical foot-worn device for a year showed improvement in gait, physical function and pain. Based on the findings of this study, it can be postulated that this biomechanical device might have a positive effect on this population.

LEVEL OF EVIDENCE:

Therapeutic study, Level IV.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00767780.

PMID:
22555568
PMCID:
PMC3549235
DOI:
10.1007/s00167-012-2026-2
[Indexed for MEDLINE]
Free PMC Article

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