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Int J Sports Med 2021; 42(09): 803-811
DOI: 10.1055/a-1308-3674
Training & Testing

Does Performing Different Resistance Exercises for the Same Muscle Group Induce Non-homogeneous Hypertrophy?

Bruna Daniella de Vasconcelos Costa 
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
Witalo Kassiano 
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
João Pedro Nunes 
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
Gabriel Kunevaliki
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
Pâmela Castro-E-Souza
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
Andre Rodacki
2   Department of Physical Education, Federal University of Paraná, Curitiba, Brazil
,
Letícia Trindade Cyrino
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
Edilson S. Cyrino 
1   Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
Leonardo de Sousa Fortes
3   Department of Physical Education, Federal University of Paraíba, João Pessoa, Brazil
› Author Affiliations Funding: This study was partially supported by the Pernambuco Science and Technology Foundation (FACEPE).
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Abstract

The study aimed to compare the effect of performing the same or different exercises for a muscle group on resistance training (RT) sessions on muscle hypertrophy at different sites along muscle length. Twenty-two detrained men (23.3±4.1 years) were randomly allocated to the following groups: a group that performed the same exercises in all training sessions (N-VAR=11) or one that varied the exercises for the same muscle groups (VAR=11). All were submitted to 3 weekly sessions for nine weeks. Muscle thickness was assessed at the proximal, middle, and distal sites of the lateral and anterior thigh, elbow flexors, and extensors by B-mode ultrasound. The VAR group significantly increased all the sites analyzed (P<0.05). Furthermore, the proximal site of the lateral thigh showed a larger relative increase when compared to the middle site (P<0.05). In contrast, the N-VAR group were not revealed significant improvements only for the middle site of the lateral thigh and the proximal site of the elbow flexors (P>0.05). Our results suggest that to perform different resistance exercises can induce hypertrophy of all sites assessed in detrained young men.

Key words

strength training - resistance training - non-uniform hypertrophy - selective hypertrophy - exercise variation


Publication History

Received: 27 July 2020

Accepted: 04 November 2020

Article published online:
13 January 2021

© 2021. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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