Acute Effects of Different Training Loads on Affective Responses in Resistance-trained Men
Abstract
The main purpose of the present study was to investigate the acute effects of different training loads on ratings of perceived exertion and discomfort and feelings of pleasure/displeasure in resistance-trained men. Twelve resistance-trained men (26.7±3.5 years, 85.1±17.5 kg, and 174. 9±9.9 cm) performed 3 sets of the bench press, squat on a hack machine, and lat pulldown, until volitional concentric failure in two separate conditions: a moderate load (MOD) consisting of a relative load of 8–12 repetitions maximum (RM), and a light load (LIT) consisting of a relative load of 25–30RM. The session rating of perceived exertion (sRPE), session rating of perceived discomfort (sRPD), and session pleasure/displeasure feelings (sPDF) were assessed after 15 min after the ending of each session. A randomized, counterbalanced, crossover study was performed with 48 h recovery afforded between sessions. Differences between conditions were observed for sRPE and sRPD, in which scores for LIT were greater than MOD (sRPE: MOD=5.5±1.0 vs. LIT=6.4±0.7; sRPD: MOD=6.7±1.7 vs. LIT=8.7±1.0). For sPDF, MOD reported feelings of pleasure (1.2), whereas the LIT presented a feeling of displeasure (–2.3). Results suggest that resistance training performed with a light load until failure induces higher degrees of effort, discomfort and displeasure compared to a moderate load.
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One acute study reported that low-load training (20 to 25 RM) produced higher degrees of effort, discomfort, and displeasure, as compared to high-load training (8 to 12 RM).
“In this context, one acute study reported that low-load training (20 to 25 RM) produced higher degrees of effort, discomfort, and displeasure, as compared to high-load training (8 to 12 RM) (Ribeiro et al., 2019).”
From The effects of low-load vs. high-load resistance training on muscle fiber hypertrophy: a meta-analysis. (2020) · cites this paper as Ribeiro et al., 2019
High levels of metabolic acidosis that accompany the use of light loads tend to cause discomfort.
“the high levels of metabolic acidosis that accompany the use of light loads tends to cause discomfort [81]”
From Loading recommendations for muscle strength, hypertrophy, and local endurance: a re-examination of the repetition continuum. (2021) · cites this paper as [81]
Training with low-loads tends to produce more discomfort, displeasure, and a higher rating of perceived exertion than training with moderate-to-high loads.
“Additionally, while it generally seems that the theory proposed in the repetition continuum is not necessarily valid for hypertrophy, training with low-loads tends to produce more discomfort, displeasure, and a higher rating of perceived exertion than training with moderate-to-high loads [80,81].”
From Loading recommendations for muscle strength, hypertrophy, and local endurance: a re-examination of the repetition continuum. (2021) · cites this paper as [81]
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Self-citationResistance exercise load does not determine training-mediated hypertrophic gains in young men
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Schoenfeld, B. J., Grgic, J., Van Every, D. W., & Plotkin, D. L. (2021) · Sports · doi:10.3390/sports9020032 · Cited by 334 · see citing works
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- Authors
- Ribeiro, A. S., dos Santos, E. D., Nunes, J. P., & Schoenfeld, B. J.
- Affiliations
- Universidade Norte do Paraná (BR)
- Center for Research in Health Sciences, University of Northern Paraná, Londrina, Brazil
- Universidade Estadual de Londrina (BR)
- Lehman College (US)
- Corresponding author
- Nunes, João Pedro
- Venue
- International Journal of Sports Medicine
- Publisher
- Georg Thieme Verlag KG
- Published
- 2019-09-09
- Volume
- 40
- Issue
- 13
- Pages
- 850-855
- ISSN
- 0172-4622 (ISSN-L)
- 1439-3964
- OpenAlex
- W2973014004
- Cited by
- 30
- References
- 8
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 5 · 2023: 5 · 2022: 7 · 2021: 3 · 2020: 4
- FWCI
- 3.71
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Sports Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
- Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
- Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
- Keywords
- resistance training, training load, perceived exertion, perceived discomfort, pleasure and displeasure, acute exercise effects, resistance-trained men, bench press, squatting, repetitions to failure, relative load
- MeSH terms
- Adult, Physical Exertion, Humans, Male, Perception, Weight Lifting, Cross-Over Studies, Resistance Training, Young Adult, Pleasure
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