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18.05.2021 | Original Article

Effects of a low-carbohydrate ketogenic diet on health parameters in resistance-trained women

verfasst von: Salvador Vargas-Molina , Leandro Carbone, Ramón Romance, Jorge L. Petro, Brad J. Schoenfeld, Richard B. Kreider, Diego A. Bonilla, Javier Benítez-Porres

Erschienen in: European Journal of Applied Physiology | Ausgabe 8/2021

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Abstract

Purpose

The aim of this study was to evaluate the effect of a ketogenic diet on blood pressure, visceral adipose tissue (VAT), bone mineral content (BMC), and bone mineral density (BMD) in trained women.

Methods

Twenty-one resistance-trained women performed an 8-week resistance training program after a 3-week familiarization phase. Participants were randomly assigned to a non-ketogenic diet (n = 11, NKD) or ketogenic diet (n = 10, KD) group. Health parameters were measured before and after the nutritional intervention. Blood pressure was measured using a digital automatic monitor, while VAT, BMC, and BMD changes were measured by dual-energy X-ray absorptiometry.

Results

There was a significant reduction in systolic blood pressure in KD (mean ± SD [IC 95%], P value, Hedges’ g; − 6.3 ± 6.0 [− 10.5, − 2.0] mmHg, P = 0.009, g = − 0.81) but not in NKD (− 0.4 ± 8.9 [− 6.8, 6.0] mmHg, P = 0.890, g = − 0.04). The results on VAT showed no changes in both groups. The KD showed a small favorable effect on BMD (0.02 ± 0.02 [0.01, 0.03] g·cm⁻², P = 0.014, g = 0.19) while NKD did not show significant changes (0.00 ± 0.02 [− 0.02, 0.02] g·cm⁻², P = 0.886, g = 0.01). No differences in group or in the time × group interaction were found in any of the variables.

Conclusions

Consuming a low-carbohydrate high-fat KD in conjunction with a resistance training program might help to promote the improvement of health-related markers in resistance-trained women. Long-term studies are required to evaluate the superiority of a KD in comparison to a traditional diet.

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Titel: Effects of a low-carbohydrate ketogenic diet on health parameters in resistance-trained women
verfasst von: Salvador Vargas-Molina
Leandro Carbone
Ramón Romance
Jorge L. Petro
Brad J. Schoenfeld
Richard B. Kreider
Diego A. Bonilla
Javier Benítez-Porres
Publikationsdatum: 18.05.2021
Verlag: Springer Berlin Heidelberg
Erschienen in: European Journal of Applied Physiology / Ausgabe 8/2021
Print ISSN: 1439-6319
Elektronische ISSN: 1439-6327
DOI: https://doi.org/10.1007/s00421-021-04707-3

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Effects of a low-carbohydrate ketogenic diet on health parameters in resistance-trained women

Abstract

Purpose

Methods

Results

Conclusions

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Abstract

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Results

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