Knee Injury Clinical Trial
Official title:
Dynamic Stability of the ACL Deficient Knee - a Prospective Cohort Study
The study that is registered in ClinicalTrials is a part study of an overall study with the
title 'Dynamic stability of the ACL-injured knee'. The aim of the overall study is to
prospectively follow a cohort of newly injured patients with total rupture of the anterior
cruciate ligament in the knee, in order to document results from different rehabilitation
regimes after the injury.
The title of the part study is 'Neuromuscular changes in ACL-deficient individuals before
and after an intensive perturbation training program. A case-control study.' The aims of the
part study are:
1. To describe muscle activation patterns, joint angles and forces during gait and
one-legged hop in newly injured ACL-deficient individuals before and after execution of
an intensive training program consisting of either perturbation training or
conventional balance- and stability training
2. To describe eventual changes between the two groups that may indicate superiority of
either one of the methods
The study will include 25 subjects in each group. The intervention consists of two different
rehabilitation protocols for neuromuscular training. Subjects will be tested in a
biomechanical laboratory before and after intervention, with use of 3D camera systems, force
plates and electromyographic measurements (EMG). Main outcomes are eventual differences in
muscle activation patterns, joint angles and forces during selected phases of walking and
one-legged hopping. Secondary outcomes of interest are self-assessment of knee function,
isokinetic strength and functional one-legged hop tests.
Status: Inclusion to the main study started in January 2007. Data collection for the
case-control part study will take place in 2008-2009. The part study study should be
finished in 2010, where results will be included in a PhD dissertation. The PhD student
responsible, Ingrid Eitzen, is enrolled in the Doctoral program at the Faculty of Medicine,
University of Oslo. She is employed at Orthopaedic Centre, Ullevaal University Hospital and
part of The Norwegian Research Center for Active Rehabilitation (NAR). The project is
included in the NAR research program. In addition, the overall study is organized as a
formalized collaboration with the University of Delaware, US, where they also will follow a
cohort of 150 subjects.
Status | Suspended |
Enrollment | 150 |
Est. completion date | June 2013 |
Est. primary completion date | June 2012 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 13 Years to 55 Years |
Eligibility |
Inclusion Criteria: - Verified unilateral total rupture of the ACL - Age 13-55 years - Date of injury within 3 months prior to inclusion - Activity level 1 or 2 (regular participation in pivoting sports) Exclusion Criteria: - Concomitant ligamentous injury - Bilateral involvement - Symptomatic meniscal damage - Fractures - Full-thickness articular cartilage damage larger than 1 cm in diameter |
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Norway | Orthopaedic Centre, Ullevaal University Hospital | Oslo |
Lead Sponsor | Collaborator |
---|---|
Ullevaal University Hospital | University of Delaware |
Norway,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Biomechanical changes during walking and one-legged hop tests. | Before and after a six week intervention. | No |
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