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A randomized clinical trial involving 32 individuals submitted to partial menisectomy 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 15 days after partial menisectomy. The programs will last six weeks, with training frequency of two sessions per week, separated by a minimum interval of 72 hours.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1. | Experimental | 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. |
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| Group 2. | Active Comparator | 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. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Isokinetic eccentric exercises | Other | The individuals of both groups will be submitted to the same physiotherapeutic protocol with objectives of analgesia, reduction of edema, recovery of range of motion, proprioception and functionality. 15 days after partial menisectomy, subjects randomly allocated to this arm will be submitted to a muscle rehabilitation program based on isokinetic eccentric exercise lasting six weeks, with training frequency of two sessions per week, separated by a minimum interval of 72 hours. |
| Measure | Description | Time Frame |
|---|---|---|
| The femoral quadriceps muscle mass through nuclear magnetic resonance imaging | Change from baseline and six weeks after intervention protocol |
| Measure | Description | Time Frame |
|---|---|---|
| Performance of knee extensors through computerized dynamometry | Change from baseline and six weeks after intervention protocol | |
| Functionality of the individuals through Lysholm score | Change from baseline and six weeks after intervention protocol |
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Inclusion Criteria:
Exclusion Criteria:
Repeated meniscal tear; Associated ligament injuries; 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
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| Name | Affiliation | Role |
|---|---|---|
| Marlon F Vidmar, MSc | Federal University of Health Science of Porto Alegre | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universidade Federal de Ciências da Saúde de Porto Alegre | Porto Alegre | Rio Grande do Sul | 90050170 | Brazil |
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| Isotonic eccentric exercises | Other | The individuals of both groups will be submitted to the same physiotherapeutic protocol with objectives of analgesia, reduction of edema, recovery of range of motion, proprioception and functionality. 15 days after partial menisectomy, subjects randomly allocated to this arm will be submitted to a muscle rehabilitation program based on isotonic eccentric exercise lasting six weeks, with training frequency of two sessions per week, separated by a minimum interval of 72 hours. |
|
| Functionality of the individuals through single and triple hop test | Change from baseline and six weeks after intervention protocol |