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April 5, 2023Open Access

Effects of a 20-Week High-Intensity Strength Training Program on Muscle Strength Gain and Cardiac Adaptation in Untrained Men: Preliminary Results of a Prospective Longitudinal Study (Preprint)

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Key result

A 20-week high-intensity strength training program significantly increased maximal muscle strength in previously untrained young men, with 1-RM gains ranging from +40% to +106% (P<0.001).

Why the study?

The impact of sustained strength training on cardiac biventricular structure and function has received less attention than adaptation to endurance training.

Does a 20-week high-intensity strength training program improve muscle strength in healthy, untrained young men?

Population

27 healthy and untrained young men (mean age 22.8 years)

Comparison

20-week high-intensity strength training program

Design

Prospective longitudinal study

Follow-up

20 weeks

Authors

NPNicolas PamartUniversité Claude Bernard Lyon 1JDJoffrey DrignyInsermHAHélène AzambourgNormandie Université

Discussion

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Implication

Provides validated protocol for cardiac adaptation research; leaves open effects in clinical populations.

Structured PICO

Does a 20-week high-intensity strength training program improve muscle strength in healthy, untrained young men?

P
Population
27 healthy, previously untrained young men (mean age 22.8 years) who participated in a 20-week high-intensity strength training program.
I
Intervention
20-week high-intensity strength training program involving concentric, eccentric, and isometric exercise phases, conducted with a frequency of 3 weekly training sessions.
O
Outcome
Muscle strength gain measured by 1-repetition maximum (RM) testing and muscle isokinetic dynamometry.surrogate

Main Result

p-value: p=<.001

A 20-week high-intensity strength training program safely and significantly increased muscle strength in untrained young men, providing a validated protocol for subsequent cardiac adaptation studies.

Cite This Study

Pamart et al. (2023) studied Healthy, untrained men (n=27). High-intensity strength training program vs. Baseline (pre-training) was evaluated on 1-repetition maximum (RM) testing for various muscle groups (p=<.001). A 20-week high-intensity strength training program significantly increased maximal muscle strength in previously untrained young men, with 1-RM gains ranging from +40% to +106% (P<0.001).

synapsesocial.com/papers/6a64cbfe764180cb38ef470ehttps://doi.org/10.2196/preprints.47876
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Also Consider

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