The Effects of Creatine Monohydrate Loading on Exercise Recovery in Active Women throughout the Menstrual Cycle
Gordon AN, Moore SR, Patterson ND, Hostetter ME, Cabre HE, Hirsch KR, Hackney AC, Smith-Ryan AE
Nutrients · 15 citas
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Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
- Gobierno
- National Institute of Diabetes and Digestive and Kidney Diseases
- Gobierno
- NIDDK NIH HHS
- Autores
- Al menos un autor declara un vínculo económico con la industria
- Subvenciones
- National Institute of Diabetes and Digestive and Kidney Diseases (T32‐DK064584)
Según 2 financiadores declarados y la declaración de financiación del texto completo.
Publicación
- Publicado
- 2023-08-13 · Nutrients · vol. 15 · número 16 · pág. 3567
- Editorial
- Multidisciplinary Digital Publishing Institute
- Citado
- 21 citas · más que el 91% de estudios similares · 2.7× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 44 trabajos
- Acceso
- Acceso abierto (revista) · CC-BY
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Exercise and Physiological Responses
- Palabras clave
- Sprint, Creatine, Creatine Monohydrate, Medicine, Follicular phase, Anaerobic exercise, Internal medicine, Luteal phase, Endocrinology, Menstrual cycle, Hormone, Placebo, Physical therapy
- MeSH
- humans, creatine, progesterone, cross-over studies, menstrual cycle, bicycling, dietary supplements, adolescent, adult, female, young adult
8 autores
- Amanda N. Gordon🇺🇸University of North Carolina at Chapel Hill
- Sam R. Moore🇺🇸University of North Carolina at Chapel Hill
- Noah D. Patterson🇺🇸University of North Carolina at Chapel Hill
- Maggie E. Hostetter🇺🇸University of North Carolina at Chapel Hill
- Hannah E. Cabre🇺🇸University of North Carolina at Chapel Hill
- Katie R. Hirsch🇺🇸University of South Carolina
- Anthony C. Hackney🇺🇸University of North Carolina at Chapel Hill
- Abbie E. Smith‐Ryan🇺🇸 · autor de correspondenciaUniversity of North Carolina at Chapel Hill
Resumen
El texto original del estudio, en el idioma en que se publicó.
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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