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dc.contributor.authorBarclay, Chrisen_US
dc.contributor.authorCurtin, N.en_US
dc.contributor.authorWoledge, R.en_US
dc.date.accessioned2017-04-04T15:03:15Z
dc.date.available2017-04-04T15:03:15Z
dc.date.issued2007en_US
dc.date.modified2010-08-30T07:00:48Z
dc.identifier.issn01424319en_US
dc.identifier.doi10.1007/s10974-007-9116-7en_AU
dc.identifier.urihttp://hdl.handle.net/10072/17520
dc.description.abstractThe majority of energy consumed by contracting muscle can be accounted for by two ATP-dependent processes, cross-bridge cycling and Ca2+ cycling. The energy for Ca2+ cycling is necessary for contraction but is an overhead cost, energy that cannot be converted into mechanical work. Measurement of the energy used for Ca2+ cycling also provides a means of determining the total Ca2+ released from the sarcoplasmic reticulum into the sarcoplasm during a contraction. To make such a measurement requires a method to selectively inhibit cross-bridge cycling without altering Ca2+ cycling. In this review, we provide a critical analysis of the methods used to partition skeletal muscle energy consumption between cross-bridge and non-cross-bridge processes and present a summary of data for a wide range of skeletal muscles. It is striking that the cost of Ca2+ cycling is almost the same, 30-40% of the total cost of isometric contraction, for most muscles studied despite differences in muscle contractile properties, experimental conditions, techniques used to measure energy cost and to partition energy use and in absolute rates of energy use. This fraction increases with temperature for amphibian or fish muscle. Fewer data are available for mammalian muscle but most values are similar to those for amphibian muscle. For mammalian muscles there are no obvious effects of animal size, muscle fibre type or temperature.en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_AU
dc.languageEnglishen_US
dc.language.isoen_AU
dc.publisherSpringeren_US
dc.publisher.placeNetherlandsen_US
dc.relation.ispartofstudentpublicationNen_AU
dc.relation.ispartofpagefrom259en_US
dc.relation.ispartofpageto274en_US
dc.relation.ispartofjournalJournal of Muscle Research and Cell Motilityen_US
dc.relation.ispartofvolume28en_US
dc.rights.retentionYen_AU
dc.subject.fieldofresearchcode270602en_US
dc.titleEnergy turnover for Ca2+ cycling in skeletal muscleen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.facultyGriffith Health, School of Rehabilitation Sciencesen_US
gro.date.issued2007
gro.hasfulltextNo Full Text


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