pubmed-article:3342796 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0034721 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0034693 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0026845 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0242691 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0205098 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0022206 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0444498 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0439534 | lld:lifeskim |
pubmed-article:3342796 | lifeskim:mentions | umls-concept:C0870462 | lld:lifeskim |
pubmed-article:3342796 | pubmed:issue | 1 | lld:pubmed |
pubmed-article:3342796 | pubmed:dateCreated | 1988-3-31 | lld:pubmed |
pubmed-article:3342796 | pubmed:abstractText | The effect of muscle dimensions on economy (force-time integral divided by the amount of energy utilized) was investigated in male rats (body mass range 95-490 g), anaesthetized with pentobarbital. The medial gastrocnemius muscle in situ performed 6 maximal isometric contractions of 350 ms duration (1.s-1) at twitch optimum length at 35 degrees C. The areas under the 6 time-force curves were added to obtain force-time integral of the experiment. Differences of concentrations of ATP, phosphocreatine and lactate between experimental and contralateral (resting) muscles were used to calculate high-energy phosphate consumption due to stimulation. Muscle mass and cross-sectional area increased (approximately +400% and +300%, respectively) over the rat body mass range studied. Muscle length and length of the most distal fibre bundle increased by approximately 17 mm and 4 mm, respectively. Force-time integral (N.s) increased proportional to cross-sectional area whereas high-energy phosphate consumption (mumoles) increased proportional to muscle mass. The relative fraction of the total energy consumption utilized for force-independent processes was independent of rat body mass. The economy of the actomyosin system was unaffected during growth, whereas economy of the whole muscle decreased during growth by approximately 30% (p less than 0.001). The effect of muscle dimensions on economy is discussed with respect to human endurance capacity measured by voluntary isometric contractions. | lld:pubmed |
pubmed-article:3342796 | pubmed:language | eng | lld:pubmed |
pubmed-article:3342796 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:3342796 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:3342796 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:3342796 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:3342796 | pubmed:issn | 0301-5548 | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:HollanderA... | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:SargeantA JAJ | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:HuijingP APA | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:de HaanAA | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:van DoornJ... | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:WestraH GHG | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:WoittiezR DRD | lld:pubmed |
pubmed-article:3342796 | pubmed:author | pubmed-author:RexwinkelRR | lld:pubmed |
pubmed-article:3342796 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:3342796 | pubmed:volume | 57 | lld:pubmed |
pubmed-article:3342796 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:3342796 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:3342796 | pubmed:pagination | 64-9 | lld:pubmed |
pubmed-article:3342796 | pubmed:dateRevised | 2008-11-21 | lld:pubmed |
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pubmed-article:3342796 | pubmed:year | 1988 | lld:pubmed |
pubmed-article:3342796 | pubmed:articleTitle | Influence of muscle dimensions on economy of isometric exercise in rat medial gastrocnemius muscles in situ. | lld:pubmed |
pubmed-article:3342796 | pubmed:affiliation | Department of Exercise Physiology and Health, Faculty of Medicine, University of Amsterdam, The Netherlands. | lld:pubmed |
pubmed-article:3342796 | pubmed:publicationType | Journal Article | lld:pubmed |