Results 271 to 280 of about 433,698 (315)
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Science's STKE, 2002
Endurance training enhances the oxidative capacity of skeletal muscle by stimulating the production of mitochondria, the organelles that supply fuel to cells. The molecular signals that mediate this adaptive process are not well understood.
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Endurance training enhances the oxidative capacity of skeletal muscle by stimulating the production of mitochondria, the organelles that supply fuel to cells. The molecular signals that mediate this adaptive process are not well understood.
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Dissecting muscle power output
Journal of Experimental Biology, 1999ABSTRACT The primary determinants of muscle force throughout a shortening–lengthening cycle, and therefore of the net work done during the cycle, are (1) the shortening or lengthening velocity of the muscle and the force–velocity relationship for the muscle, (2) muscle length and the length–tension relationship for the muscle, and (3 ...
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The Power Lever: An Instrument for Measuring Muscle Power
Research Quarterly. American Association for Health, Physical Education and Recreation, 1966Abstract An instrument, referred to as the power lever, was devised and constructed. It measures directly the horsepower developed in a variety of single explosive movements of the body, and is based upon the mechanical principle of power, that is, the rate of doing work.
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Archives of Surgery, 1941
If the physiology of muscular contraction is reviewed in the light of internal muscle mechanics, a new approach to the physiology of tendon surgery is opened. Certain internal rearrangements must occur in the structure of the muscle after its range has been lengthened, shortened or changed.
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If the physiology of muscular contraction is reviewed in the light of internal muscle mechanics, a new approach to the physiology of tendon surgery is opened. Certain internal rearrangements must occur in the structure of the muscle after its range has been lengthened, shortened or changed.
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Geriatrics & Gerontology International, 2011
Aim: The aims of this study were to investigate the influence of age on muscle stiffness and to examine the relationships among muscle stiffness, muscle thickness, subcutaneous fat thickness, muscle strength and muscle power in elderly women.Methods: The subjects were 16 young (mean age 20.3 years) and 34 elderly (mean age 84.2 years) women.
Tome, Ikezoe +4 more
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Aim: The aims of this study were to investigate the influence of age on muscle stiffness and to examine the relationships among muscle stiffness, muscle thickness, subcutaneous fat thickness, muscle strength and muscle power in elderly women.Methods: The subjects were 16 young (mean age 20.3 years) and 34 elderly (mean age 84.2 years) women.
Tome, Ikezoe +4 more
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Skeletal Muscle-powered Circulatory Assistance: Muscle Conditioning
[1990] Proceedings of the Twelfth Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2005Here we report our experiences on the construction of a skeletal muscle pumping chamber (SMPC) of a biomechanical cardiac assist device made in situ with the Latissimus Dorsi (LD) of sheep. Main results are : i) its feasibility, ii) its long-standing continuous contractile activity. From the end of the three-week conditioning the SMPC is activated 24 h
U. Carraro +9 more
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Human Power Output and Muscle Fatigue
International Journal of Sports Medicine, 1994In human locomotion the ability to generate and sustain power output is of fundamental importance. This review examines the implications for power output of having variability in the metabolic and contractile properties within the population of muscle fibres which comprise the major locomotory muscles.
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2019
As an Australian, growing up listening to colonial history and popular lore, we were taught that Australia was built through the efforts of male muscle. Folklore depicts Australia’s formative years to be a period where rugged outback settlers battled nature and the odds, in a struggle for survival.
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As an Australian, growing up listening to colonial history and popular lore, we were taught that Australia was built through the efforts of male muscle. Folklore depicts Australia’s formative years to be a period where rugged outback settlers battled nature and the odds, in a struggle for survival.
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Controllable Bio-Microactuator Powered by Muscle Cells
2006 International Conference of the IEEE Engineering in Medicine and Biology Society, 2006This paper reports a novel autonomous bio-microactuator powered by primary cultured cardiomyocytes and the control and evaluation of the contraction of skeletal muscle cell line C2C12 cells by means of electrical stimulation. To exploit contractions of cardiomyocytes, we fabricated a PDMS bulb-shaped dispenser and allowed cardiomyocytes to directly ...
Yoshitake Akiyama +2 more
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Power Possibilities at Muscle Shoals, Alabama
Transactions of the American Institute of Electrical Engineers, 1925This study was made in February and March, 1925. The author had access to the public records of the War Department but his responsibility for all statements is complete. Factual conveyance has been more important than euphony or euphemism. The object of the report is to present the basic facts pertaining to the whole Muscle Shoals situation in a way ...
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