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Analysis of the force in isokinetic dynamometer of the muscles responsible for internal/external rotation of shoulder in powerlifting practitioners and physically active subjects

Grant number: 18/11513-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2018
Effective date (End): November 30, 2019
Field of knowledge:Biological Sciences - Physiology - Physiology of Effort
Principal Investigator:Marco Carlos Uchida
Grantee:Erick Guilherme Peixoto de Lucena
Home Institution: Faculdade de Educação Física (FEF). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

The shoulder joint is one of the most overloaded joints on the supine exercise, one of the exercises of the sports modality Powerlifting. As a result of this, there is soreness manifestation in the practitioners in this modality, which may be indicative of an imbalance of muscle strength, among agonist/antagonist. The objective of this present project, cross-sectional design, is to evaluate muscular strength (and your different manifestations) at the internal and external rotation movements of the shoulder joint in Powerlifting practitioners and physically active subjects using the isokinetic dynamometer. The sample will consist of 30 individuals, divided into a group of Powerlifting practitioners (n=15) and a group of physically active subjects (n=15). Measures will be taken in two days. 1) Explanation of research procedures, anthropometric evaluation, and familiarization in the isokinetic dynamometer. 2) Main session, tests at the isokinetic dynamometer, an accomplishment of max efforts, in the following speeds: 60/s, 180/s, and 300/s; in the isokinetic dynamometer Biodex 4-Pro System (Biodex Medical Systems®, USA).