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Muscle Hypertrophy Is Correlated with Load Progression Delta, Climb Volume, and Total Load Volume in Rodents Undergoing Different Ladder-based Resistance Training Protocols by Walter Krause Neto; Wellington de Assis Silva; Tony Vinicius Apolinário de Oliveira; Alan Esaú dos Santos Vilas Boas; Adriano Polican Ciena; Carlos Alberto Anaruma; Ali Gorzi; Érico Chagas Caperuto; Eliane Florencio Gama is a Medicine article available to read on EtoBox.

What is Muscle Hypertrophy Is Correlated with Load Progression Delta, Climb Volume, and Total Load Volume in Rodents Undergoing Different Ladder-based Resistance Training Protocols about?

We compared the effects of two ladder-based resistance training (LRT) protocols on the skeletal muscle morphology (biceps brachialis and plantaris) of Wistar rats. Also, we correlated the training parameters with the muscle fiber cross-sectional area (fCSA). After maximum load tests (ML), twenty-nine young adult Wistar rats were divided into: CONTROL (n = 9), LIMITED (n = 10, 6-8 climb [2 × 50 %ML, 2 × 75 %ML, 2 × 100 %ML, and 2 × 100 %ML+30 g]) and UNLIMITED (n = 10, ≥4 climbs [50 %ML, 75 %ML, 90 %ML, 100 %ML + 30 g until failure) LRT. After eight weeks, the main results were: 1) For biceps brachialis, the type I, IIa, and mean fCSA was statistically larger in the LIMITED than CONTROL. The nuclei/fiber ratio was statistically higher in the LIMITED and UNLIMITED. The correlations found between total load, absolute delta load, and relative load and fCSA were moderate. 2) For plantaris, the type I, IIa, IIx/b, and mean fCSA was statistically larger in the LIMITED than CONTROL. The type IIa, IIx/b, and mean fCSA was statistically larger in the UNLIMITED than CONTROL. The nuclei/fiber ratio was statistically higher in both trained groups than CONTROL. The correlation between the climbi

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Author

Walter Krause Neto; Wellington de Assis Silva; Tony Vinicius Apolinário de Oliveira; Alan Esaú dos Santos Vilas Boas; Adriano Polican Ciena; Carlos Alberto Anaruma; Ali Gorzi; Érico Chagas Caperuto; Eliane Florencio Gama

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Medicine (Health Sciences)