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The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle

Creatine supplementation improves anaerobic performance and recovery; however, to date, these outcomes have not been well explored in females. This study evaluated the effect of creatine monohydrate loading on exercise recovery, measured by heart rate variability (HRV) and repeated sprint performanc...

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Autores principales: Gordon, Amanda N., Moore, Sam R., Patterson, Noah D., Hostetter, Maggie E., Cabre, Hannah E., Hirsch, Katie R., Hackney, Anthony C., Smith-Ryan, Abbie E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10459976/
https://www.ncbi.nlm.nih.gov/pubmed/37630756
http://dx.doi.org/10.3390/nu15163567
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author Gordon, Amanda N.
Moore, Sam R.
Patterson, Noah D.
Hostetter, Maggie E.
Cabre, Hannah E.
Hirsch, Katie R.
Hackney, Anthony C.
Smith-Ryan, Abbie E.
author_facet Gordon, Amanda N.
Moore, Sam R.
Patterson, Noah D.
Hostetter, Maggie E.
Cabre, Hannah E.
Hirsch, Katie R.
Hackney, Anthony C.
Smith-Ryan, Abbie E.
author_sort Gordon, Amanda N.
collection PubMed
description Creatine supplementation improves anaerobic performance and recovery; however, to date, these outcomes have not been well explored in females. This study evaluated the effect of creatine monohydrate loading on exercise recovery, measured by heart rate variability (HRV) and repeated sprint performance, in women across the menstrual cycle. In this randomized, double-blind, cross-over study, 39 women (mean ± standard deviation: age: 24.6 ± 5.9 years, height: 172.5 ± 42.3 cm, weight: 65.1 ± 8.1 kg, BF: 27.4 ± 5.8%) were randomized to a creatine monohydrate (n = 19; 20 g per day in 4 × 5 g doses) or non-caloric PL group (n = 20). HRV was measured at rest and after participants completed a repeated sprint cycling test (10 × 6 s maximal sprints). Measurements were conducted before and after supplementation in the follicular/low hormone and luteal/high hormone phases. Creatine monohydrate supplementation did not influence HRV values, as no significant differences were seen in HRV values at rest or postexercise. For repeated sprint outcomes, there was a significant phase × supplement interaction (p = 0.048) for fatigue index, with the greatest improvement seen in high hormone in the creatine monohydrate group (−5.8 ± 19.0%) compared to changes in the PL group (0.1 ± 8.1%). Sprint performance and recovery were reduced by the high hormone for both groups. Though not statistically significant, the data suggests that creatine monohydrate could help counteract performance decrements caused by the high hormone. This data can help inform creatine monohydrate loading strategies for females, demonstrating potential benefits in the high hormone phase.
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spelling pubmed-104599762023-08-27 The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle Gordon, Amanda N. Moore, Sam R. Patterson, Noah D. Hostetter, Maggie E. Cabre, Hannah E. Hirsch, Katie R. Hackney, Anthony C. Smith-Ryan, Abbie E. Nutrients Article Creatine supplementation improves anaerobic performance and recovery; however, to date, these outcomes have not been well explored in females. This study evaluated the effect of creatine monohydrate loading on exercise recovery, measured by heart rate variability (HRV) and repeated sprint performance, in women across the menstrual cycle. In this randomized, double-blind, cross-over study, 39 women (mean ± standard deviation: age: 24.6 ± 5.9 years, height: 172.5 ± 42.3 cm, weight: 65.1 ± 8.1 kg, BF: 27.4 ± 5.8%) were randomized to a creatine monohydrate (n = 19; 20 g per day in 4 × 5 g doses) or non-caloric PL group (n = 20). HRV was measured at rest and after participants completed a repeated sprint cycling test (10 × 6 s maximal sprints). Measurements were conducted before and after supplementation in the follicular/low hormone and luteal/high hormone phases. Creatine monohydrate supplementation did not influence HRV values, as no significant differences were seen in HRV values at rest or postexercise. For repeated sprint outcomes, there was a significant phase × supplement interaction (p = 0.048) for fatigue index, with the greatest improvement seen in high hormone in the creatine monohydrate group (−5.8 ± 19.0%) compared to changes in the PL group (0.1 ± 8.1%). Sprint performance and recovery were reduced by the high hormone for both groups. Though not statistically significant, the data suggests that creatine monohydrate could help counteract performance decrements caused by the high hormone. This data can help inform creatine monohydrate loading strategies for females, demonstrating potential benefits in the high hormone phase. MDPI 2023-08-13 /pmc/articles/PMC10459976/ /pubmed/37630756 http://dx.doi.org/10.3390/nu15163567 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Gordon, Amanda N.
Moore, Sam R.
Patterson, Noah D.
Hostetter, Maggie E.
Cabre, Hannah E.
Hirsch, Katie R.
Hackney, Anthony C.
Smith-Ryan, Abbie E.
The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
title The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
title_full The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
title_fullStr The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
title_full_unstemmed The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
title_short The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
title_sort effects of creatine monohydrate loading on exercise recovery in active women throughout the menstrual cycle
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10459976/
https://www.ncbi.nlm.nih.gov/pubmed/37630756
http://dx.doi.org/10.3390/nu15163567
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