Analysis of elbow muscle strength parameters in Brazilian jiu-jitsu practitioners

Upper-body dynamic and isometric maximum strength are essential components for success in Brazilian jiu-jitsu (BJJ). This study was aimed at analysing strength parameters in the elbow flexor and extensor muscles of BJJ practitioners. Participants (n = 28) performed maximum isometric contractions of...

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Bibliographic Details
Published in:Journal of sports sciences 2017-12, Vol.35 (23), p.2373-2379
Main Authors: Follmer, Bruno, Dellagrana, Rodolfo André, de Lima, Luis Antonio Pereira, Herzog, Walter, Diefenthaeler, Fernando
Format: Article
Language:English
Subjects:
Adolescent
Adult
Elbow
Elbow - physiology
Humans
Isometric Contraction - physiology
Male
Martial arts
Martial Arts - physiology
Muscle contraction
Muscle function
Muscle strength
Muscle Strength - physiology
Muscle Strength Dynamometer
rate of force development
Shoulder
Torque
Young Adult
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Summary:Upper-body dynamic and isometric maximum strength are essential components for success in Brazilian jiu-jitsu (BJJ). This study was aimed at analysing strength parameters in the elbow flexor and extensor muscles of BJJ practitioners. Participants (n = 28) performed maximum isometric contractions of elbow flexors and extensors to determine peak torque (PT), rate of force development (RFD), and the torque-angle (T-A) relationship at elbow angles of 45°, 60°, 75°, 90°, 105°, and 120°. Additionally, concentric and eccentric PTs were measured at 1.04 rad·s -1 . Student t-test and ANOVA were performed using α = 0.05. Elbow flexors were stronger isometrically (P 
ISSN:0264-0414
1466-447X
DOI:10.1080/02640414.2016.1267388