What question did this study set out to answer?

This research aims to evaluate the impact of strength training and subsequent detraining on muscle characteristics, including strength and neural activation.

December 1, 1985Acta Physiologica Scandinavica

Changes in isometric force‐ and relaxation‐time, electromyographic and muscle fibre characteristics of human skeletal muscle during strength training and detraining

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Authors

KHK. HäkkinenUniversity of Jyväskylä MAMarkku AlénOulu University Hospital PKPaavo V. KomiUniversity of Jyväskylä

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Implication

Randomized trial observes changes in muscle characteristics during strength training and detraining, suggesting neural factors play a key role.

Key Points

This research aims to evaluate the impact of strength training and subsequent detraining on muscle characteristics, including strength and neural activation.
Eleven male subjects aged 20-32 underwent 24 weeks of progressive high-load strength training followed by 12 weeks of detraining.
Subjects trained with intensities between 70% and 120% for various months, monitoring isometric strength and electromyographic activity.
Muscle fiber areas and hypertrophic changes were assessed at intervals during training and detraining periods.
Maximal isometric strength increased by 26.8% during training (P < 0.001).
Significant increases in neural activation (IEMG) correlated with strength enhancements during intensive training months (P < 0.05).
Detraining resulted in a significant decrease in maximal strength (P < 0.01) correlated with reduced IEMG and muscle fiber area (P < 0.05).

Cite This Study

Häkkinen et al. (1985) studied this question.

synapsesocial.com/papers/6a0bf482e8a76b3043884b3c https://doi.org/10.1111/j.1748-1716.1985.tb07759.x

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Implication

Randomized trial observes changes in muscle characteristics during strength training and detraining, suggesting neural factors play a key role.

Changes in isometric force‐ and relaxation‐time, electromyographic and muscle fibre characteristics of human skeletal muscle during strength training and detraining

Discussion

Member takes

Implication

Key Points

Cite This Study

Changes in isometric force‐ and relaxation‐time, electromyographic and muscle fibre characteristics of human skeletal muscle during strength training and detraining

Discussion

Member takes

Implication

Key Points

Cite This Study

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