Journal ArticleDOI
Percutaneous Needle Biopsy of Skeletal Muscle in Physiological and Clinical Research
TLDR
In this article, a percutaneous needle biopsy of skeletal muscle in Physiological and Clinical Research is described, and the authors present a detailed discussion of the procedure and the results.Abstract:
(1975). Percutaneous Needle Biopsy of Skeletal Muscle in Physiological and Clinical Research. Scandinavian Journal of Clinical and Laboratory Investigation: Vol. 35, No. 7, pp. 609-616.read more
Citations
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Journal ArticleDOI
Calorie restriction increases muscle mitochondrial biogenesis in healthy humans.
Anthony E. Civitarese,Stacy Carling,Leonie K. Heilbronn,Mathew H Hulver,Barbara Ukropcova,Walter A. Deutsch,Steven R. Smith,Eric Ravussin +7 more
TL;DR: The observed increase in muscle mitochondrial DNA in association with a decrease in whole body oxygen consumption and DNA damage suggests that caloric restriction improves mitochondrial function in young non-obese adults.
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Whey protein stimulates postprandial muscle protein accretion more effectively than do casein and casein hydrolysate in older men
Bart Pennings,Yves Boirie,Joan M. G. Senden,Annemie P. Gijsen,Harm Kuipers,Luc J. C. van Loon +5 more
TL;DR: Whey protein stimulates postprandial muscle protein accretion more effectively than do casein and casein hydrolysate in older men, attributed to a combination of whey's faster digestion and absorption kinetics and higher leucine content.
Journal ArticleDOI
Fiber type composition of the vastus lateralis muscle of young men and women.
Robert S. Staron,Fredrick C. Hagerman,Robert S. Hikida,Thomas F. Murray,David P. Hostler,Matthew T. Crill,Kerry E. Ragg,Kumika Toma +7 more
TL;DR: Gender differences were found with regard to the area occupied by each specific fiber type: IIA>I>IIB for the men and I>IIA>IIA for the women.
Journal ArticleDOI
Amino acid ingestion improves muscle protein synthesis in the young and elderly
Douglas Paddon-Jones,Melinda Sheffield-Moore,Xiao-Jun Zhang,Elena Volpi,Steven E. Wolf,Asle Aarsland,Asle Aarsland,Arny A. Ferrando,Robert R. Wolfe,Robert R. Wolfe +9 more
TL;DR: Despite differences in the time course of plasma phenylalanine kinetics and a greater residual IC phenylAlanine concentration, amino acid supplementation acutely stimulated muscle protein synthesis in both young and elderly individuals.
Journal ArticleDOI
Satellite cell content is specifically reduced in type II skeletal muscle fibers in the elderly
Lex B. Verdijk,René Koopman,Gert Schaart,Kenneth Meijer,Hans H.C.M. Savelberg,Luc J. C. van Loon +5 more
TL;DR: This study is the first to show type II fiber atrophy in the elderly to be associated with a fiber type-specific decline in SC content, which is evident when SC content is expressed per fiber or per fiber area.
References
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Journal ArticleDOI
Diet, Muscle Glycogen and Physical Performance
TL;DR: It has been shown that the glycogen content and, consequently, the long-term work capacity can be appreciably varied by instituting different diets after glycogen depletion.
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Glycogen, glycolytic intermediates and high-energy phosphates determined in biopsy samples of musculus quadriceps femoris of man at rest. Methods and variance of values.
TL;DR: Variation in muscle content of ATP, ATP + ADP + AMP, phosphorylcreatine (PC), creatine (Cr), PC + Cr, and glycogen, between legs, between sites on the same muscle, or as a result of error introduced during analysis, was small compared with the between-individuals variance.
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Intracellular free amino acid concentration in human muscle tissue.
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Selective glycogen depletion pattern in human muscle fibres after exercise of varying intensity and at varying pedalling rates
TL;DR: Glycogen depletion pattern in human skeletal muscle fibres was studied after bicycle exercise of varying intensity performed at different pedalling rates.
Journal ArticleDOI
Muscle Glycogen Synthesis after Exercise : an Enhancing Factor localized to the Muscle Cells in Man
Jonas Bergström,Eric Hultman +1 more
TL;DR: Goldstein1 has shown that a humoral factor, which decreases the blood glucose concentration, is released during exercise and it is known that the insulin requirement decreases in diabetic subjects during exercise.