Effects of Creatine Supplementation and Resistance Training on Muscle Strength Gains in Adults <50 Years of Age: A Systematic Review and Meta-Analysis
Wang Z, Qiu B, Li R, Han Y, Petersen C, Liu S, Zhang Y, Liu C, Candow DG, Del Coso J
Nutrients · 26 citas
Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
Según la declaración de financiación del texto completo.
Publicación
- Publicado
- 2024-10-28 · Nutrients · vol. 16 · número 21 · pág. 3665
- Editorial
- Multidisciplinary Digital Publishing Institute
- Citado
- 36 citas · más que el 90% de estudios similares · 2.4× el promedio de su campo
- Referencias
- 73 trabajos
- Acceso
- Acceso abierto (revista) · CC-BY
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Biochemical effects in animals
- Palabras clave
- creatine supplementation, resistance training, muscle strength, older adults, sex differences, upper body strength, lower limb strength, training duration
- MeSH
- muscle, skeletal, humans, creatine, sex factors, dietary supplements, adult, middle aged, female, male, muscle strength, resistance training
10 autores
- Ziyu Wang🇨🇳Beijing Sport University
- Bopeng Qiu🇨🇳Beijing Sport University
- Ruoling Li🇨🇳Beijing Sport University
- Yunzhi Han🇨🇳Beijing Normal University
- Carl James Petersen🇳🇿University of Canterbury
- Shuting Liu🇨🇳Beijing Sport University
- Yinkai Zhang🇨🇳 · autor de correspondenciaBeijing Sport University
- Chang Liu🇨🇳 · autor de correspondenciaBeijing Sport University
- Darren Glenn Candow🇨🇦University of Regina
- Juan Del Coso🇪🇸 · autor de correspondenciaUniversidad Rey Juan Carlos
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
Numerous meta-analyses have assessed the efficacy of creatine supplementation in increasing muscle strength. However, most have not considered the effect of the participants' age, training duration, or other confounding variables on strength outcomes. Therefore, the purpose of this study was to consider the effect of these variables on the potential efficacy of creatine supplementation and resistance training for improving measures of muscle strength.
Methods
Four databases were searched (MEDLINE, Scopus, Embase, and SPORTDiscus) with a search end date of 22 May 2024. Twenty-three studies were included, with 20 studies involving males (447 male participants), 2 studies involving females (40 female participants), and 1 study involving both males and females (13 male participants and 9 female participants).
Results
In comparison with a placebo, creatine supplementation combined with resistance training significantly increased upper-body (WMD = 4.43 kg, p p p = 0.067, Q = 3.366). Additionally, males who consumed creatine combined with resistance training significantly increased both upper- and lower-body strength, whereas females showed no significant gains. There was a trend indicating greater lower-body strength gains from high-dose creatine compared with lower doses (p = 0.068, Q = 3.341). No other variables influenced the effect of creatine supplementation. In conclusions, creatine supplementation with resistance training enhances upper- and lower-body muscle strength in adults aged < 50, with greater benefits likely to be seen in males than females.
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