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Appetite Is Suppressed After Full-Body Resistance Exercise Compared With Split-Body Resistance Exercise

The Potential Influence of Lactate and Autonomic Modulation

Freitas, Marcelo Conrado de1; Ricci-Vitor, Ana L.2; de Oliveira, Joao Vitor N.S.3; Quizzini, Giovanni Henrique1; Vanderlei, Luiz C.M.2; Silva, Bruna S.A.1; Zanchi, Nelo Eidy4; Cholewa, Jason M.5; Lira, Fabio S.6; Rossi, Fabrício Eduardo7,8

The Journal of Strength & Conditioning Research: May 27, 2019 - Volume Publish Ahead of Print - Issue - p
doi: 10.1519/JSC.0000000000003192
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Conrado de Freitas, M, Ricci-Vitor, AL, de Oliveira, JVNS, Quizzini, GH, Vanderlei, LCM, Silva, BSA, Zanchi, NE, Cholewa, JM, Lira, FS, and Rossi, FE. Appetite is suppressed after full-body resistance exercise compared with split-body resistance exercise: the potential influence of lactate and autonomic modulation. J Strength Cond Res XX(X): 000–000, 2019—The purposes of this study were to investigate the effects of full- vs. split-body resistance training on appetite and leptin response and to verify the potential involvement of lactate and autonomic modulation during this response in trained men. Twelve recreationally resistance-trained men (age = 26.1 ± 5.5 years) performed 3 randomized trials in 3 conditions: upper body (UB), lower body (LB), and full body (FB). The subjective rating of hunger was obtained through a visual analog scale. Leptin and lactate concentration were evaluated at rest, immediately after exercise, and during recovery. Heart rate variability in the time and frequency domains was recorded at baseline and during recovery (until 60 minutes after exercise) to assess autonomic modulation. The FB condition induced lower subjective hunger ratings than the UB at Post-1 hour (p < 0.05) and a significant difference in the area under the curve between conditions (p = 0.028) with lower hunger sensation for FB in relation to UB (p = 0.041). The FB presented greater lactate concentration and induced slower heart rate variability recovery in relation to UB and LB conditions (p < 0.05), and heart rate variability remained lower until 60 minutes after exercise compared with rest only in the FB condition. There was a significant negative correlation between subjective hunger ratings and lactate concentration only for the FB condition (r = −0.72, p = 0.028). Full-body resistance exercise induced lower subjective hunger ratings after exercise in relation to UB resistance exercise. The FB also induced higher lactate production and slower recovery of autonomic modulation compared with the UB and LB conditions. Future research is necessary to investigate a mechanistic relationship between lactate concentrations and hunger suppression after resistance exercise.

1Department of Physical Education, Skeletal Muscle Assessment Laboratory, Sao Paulo State University (UNESP), Presidente Prudente, São Paulo, Brazil;

2Department of Physical Therapy, Sao Paulo State University (UNESP), Presidente Prudente, São Paulo, Brazil;

3Exercise and Immunometabolism Research Group, Department of Physical Education, Sao Paulo State University (UNESP), Presidente Prudente, São Paulo, Brazil;

4Department of Physical Education, Laboratory of Cellular and Molecular Biology of Skeletal Muscle (LABCEMME), Sao Luis, Maranhao, Brazil;

5Department of Kinesiology, Coastal Carolina University, Conway, South Carolina;

6Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, São Paulo, Brazil;

7Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí (UFPI), Teresina, Piauí, Brazil; and

8Associate Graduate Program in Health Science, Federal University of Piauí (UFPI), Teresina, Piauí, Brazil

Address correspondence to Fabrício Eduardo Rossi, fabriciorossi@ufpi.edu.br.

Copyright © 2019 by the National Strength & Conditioning Association.