Effect of Rehabilitation Programs Based on Eccentric Exercise of Knee Extensor Muscles in Isotonic and Isokinetic Conditions After Anterior Cruciate Ligament Reconstruction

Not Applicable

Completed

• Conditions: Anterior Cruciate Ligament Injury
• Interventions: Other: Isokinetic eccentric exercises; Other: Isotonic eccentric exercises

• Registration Number: NCT02961543
• Lead Sponsor: Federal University of Health Science of Porto Alegre

Brief Summary

A randomized clinical trial involving 30 individuals submitted to ACL reconstruction will be conducted.

Participants will be randomized into: Group I, submitted to a muscular rehabilitation program based on eccentric isokinetic exercise; and Group II, submitted to a muscular rehabilitation program based on eccentric isotonic exercise. Concomitantly with the muscular rehabilitation protocols, individuals will undergo the same physiotherapeutic protocol with analgesia, edema reduction, range of motion, proprioception and functionality goals. Muscle rehabilitation programs based on eccentric isotonic and isokinetic exercise will begin 45 days after ACL reconstruction. The programs will last six weeks, with training frequency of two sessions per week, separated by a minimum interval of 72 hours.

Detailed Description

Not available

Study Timeline

• Study Start: 2016-07
• Study First Submitted: 2016-11-09
• Study First Submitted QC: 2016-11-09
• Study First Posted: 2016-11-11
• Primary Completion: 2017-12
• Study Completion: 2017-12
• Status Verified: 2018-02
• Last Update Submitted: 2018-02-07
• Last Update Posted: 2018-02-09

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Male
• Target Recruitment: 30

Inclusion Criteria

• Young adults aged between 18 and 40 years;
• Recreational athletes;
• Unilateral ACL injury;
• Presence of total or partial rupture of unilateral ACL within 90 days after injury;
• Male subjects;
• Classification of body mass index up to pre-obese (25.0 - 29.9 kg / m2);
• Not undergoing any strength training program for the lower limbs in the six months prior to the study.
• Acceptance of individuals in participating in the procedures proposed by the research.

Exclusion Criteria

• Recidivism in ligament injuries;
• Associated ligament and / or meniscal lesions;
• Previous history (<6 months) of musculoskeletal lesions in the thigh;
• Patellar tendinopathy;
• Patellofemoral pain syndrome;
• Respiratory or cardiovascular conditions that limit the performance of exercises;
• Users of dietary supplements or anabolic steroids

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Group 1.	Isokinetic eccentric exercises	The participants randomly allocated to this arm will undergo a muscular rehabilitation program based on the isokinetic eccentric exercise for the extensor muscles of the operated knee. The contralateral non-operated lower limb will be used as control, so it will not undergo any muscular rehabilitation program.
Group 2.	Isotonic eccentric exercises	The participants randomly allocated to this arm will undergo a muscular rehabilitation program based on the isotonic eccentric exercise for the extensor muscles of the operated knee. The contralateral non-operated lower limb will be used as control, so it will not undergo any muscular rehabilitation program.

Primary Outcome Measures

Name	Time	Method
The femoral quadriceps muscle mass through nuclear magnetic resonance imaging	Change from baseline and six weeks after intervention protocol

Secondary Outcome Measures

Name	Time	Method
Functionality of the individuals through Lysholm score	Change from baseline and six weeks after intervention protocol
Performance of knee extensors through computerized dynamometry	Change from baseline and six weeks after intervention protocol
Functionality of the individuals through single and triple hop test	Change from baseline and six weeks after intervention protocol

Trial Locations

Locations (1)

Universidade Federal de Ciências da Saúde de Porto Alegre; 🇧🇷 Porto Alegre, RS, Brazil