Comparison of creatine supplementation before versus after supervised resistance training in healthy older adults
Candow DG, Zello GA, Ling B, Farthing JP, Chilibeck PD, McLeod K, Harris J, Johnson S
Research in sports medicine (Print) · 26 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
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 no declarada
Publicación
- Publicado
- 2014-01-02 · Res Sports Med · vol. 22 · número 1 · págs. 61–74
- Editorial
- Taylor & Francis
- Citado
- 58 citas · más que el 88% de estudios similares · 2.5× el promedio de su campo
- Referencias
- 30 trabajos
- Acceso
- De pago
- Áreas de investigación
- Muscle metabolism and nutrition · Nutrition and Health in Aging · Biochemical effects in animals
- Palabras clave
- creatine supplementation, resistance training, older adults, timing of supplementation, lean muscle mass, muscle strength, muscle protein degradation, renal function, body composition
- MeSH
- humans, creatine, phytosterols, diosgenin, follow-up studies, double-blind method, dose-response relationship, drug, dietary supplements, middle aged, female, male, muscle strength, physical exertion, resistance training, healthy volunteers
8 autores
- Darren Glenn Candow🇨🇦 · autor de correspondenciaUniversity of Regina
- Gordon Alexander Zello🇨🇦University of Saskatchewan
- Binbing Ling🇨🇦University of Saskatchewan
- Jonathan P. Farthing🇨🇦University of Saskatchewan
- Philip David Chilibeck🇨🇦University of Saskatchewan
- Katherine M. McLeod🇨🇦University of Regina
- Jonathan B. Harris🇨🇦University of Regina
- Shanthi Johnson🇨🇦University of Regina
Resumen
El texto original del estudio, en el idioma en que se publicó.
This study was performed to compare the effects of creatine supplementation (CR) before vs. after supervised resistance training (RT) in healthy older adults. Participants were randomized to one of two groups: CR-Before (0.1g•kg(-1) creatine before + 0.1g•kg(-1) placebo [rice flour] after RT, n = 11) or CR-After (placebo before + creatine after RT, n = 11). Resistance training (RT) was performed 3 days/week, on nonconsecutive days, for 12 weeks. Prior to and following the study, measures were taken for body composition, maximum strength, muscle protein catabolism, and kidney function. Over the 12-week training period, both groups experienced a significant increase in whole-body lean tissue mass, limb muscle thickness, and upper and lower body strength and a decrease in muscle protein catabolism (p < 0.001), with no differences between groups. There was no change in kidney function over time. Changes in muscle mass or strength are similar when creatine is ingested before or after supervised resistance training in older adults.
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