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Can J Appl Physiol February 1999 PMID 9916184

Acute and chronic hormonal responses to resistance training designed to promote muscle hypertrophy.

G E McCall, W C Byrnes, S J Fleck, A Dickinson, W J Kraemer

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34
Peak: 5 in Nov 2025
across 5 sources since Sep 2016

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AI synopsis

What people are saying

The discussions reflect a moderate level of interest, focusing on the hormonal responses to resistance training, such as mentions of muscle types and responses like 'Decreases' which point to hormonal changes. The tone suggests curiosity but stops short of in-depth analysis, indicating a general awareness rather than a profound impact.

AgreementModerate agreement

The posts generally acknowledge the findings, especially noting the hormonal adaptations and their significance, though some nuance is presented regarding different muscle types and factors involved.

InterestModerate interest

The discussions show curiosity about hormonal responses and muscle adaptation, but do not delve deeply into broader implications or detailed mechanisms.

EngagementNeutral engagement

The comments are somewhat superficial, with some sharing opinions or brief observations rather than detailed analysis or critique.

ImpactNeutral impact

The overall influence of these discussions seems modest, mainly raising awareness without driving significant change or controversy.

Abstract in brief

  • The study found that after 12 weeks of high-volume resistance training, there were no significant changes in resting levels of hormones like growth hormone, IGF-1, testosterone, or SHBG in the participants.
  • Cortisol levels decreased by 17% in both the trained and control groups, and acute exercise caused increases in hormone levels during sessions, though these responses were similar between the 10th and 20th sessions.
  • There was a positive correlation between increases in growth hormone during exercise and muscle fiber hypertrophy, suggesting GH response may be linked to muscle growth, but overall, resistance training did not alter baseline hormone levels.
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Xavier Gagnon
@GagnonXavierEPS · X

Voici un article intéressant concernant les adaptations hormonales que peut engendrer l’entraînement en résistance.

Mar 15, 2022 · 1 like · 27 followers View post →
Heavy Tabs
@Heavy_Proxy · X

@hyperartF @Neitsuke @Tectone 'Decreases' that doesnt mean it puts them on the same level as a women, because as I said prior it also affects; Twitch muscles, glycolytic fibres, and all around starting muscle mass where that plays alot more of an important role than simple T levels https://t.co/QQxJmJyhnE

Nov 15, 2025 · 69 followers View post →

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Heavy Tabs
@Heavy_Proxy · X

@hyperartF @Neitsuke @Tectone 'Decreases' that doesnt mean it puts them on the same level as a women, because as I said prior it also affects; Twitch muscles, glycolytic fibres, and all around starting muscle mass where that plays alot more of an important role than simple T levels https://t.co/QQxJmJyhnE

Nov 15, 2025 · 69 followers View post →
Xavier Gagnon
@GagnonXavierEPS · X

Voici un article intéressant concernant les adaptations hormonales que peut engendrer l’entraînement en résistance.

Mar 15, 2022 · 1 like · 27 followers View post →
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