... metabolism Myoglobin Muscle energetics The torrent duck ( Merganetta armata , Gould 1842) inhabits fast-flowing rivers over a wide elevational range in the Andes ( Johnsgard, 1972 ; Carboneras, 1992 ). They are remarkably strong swimmers and are able to dive and fly at altitudes from sea level...

... mitochondrial ATP flux and thereby have direct impacts on exercise performance. Magnetic resonance spectroscopy Muscle energetics Mitochondrial coupling P/O Exercise efficiency Exercise capacity Mitochondria are the powerhouses of biological tissues. In muscles, they link oxidation...

... costly, and lengthening least costly, a test of the Fenn effect. Muscle mechanics Muscle energetics 31 P MRS First dorsal interosseous All muscles produce force during contraction. The mechanisms, costs and consequences have been the fodder for studies for at least the past century...

....,1994 ). In spite of these similar metabolic profiles, no study has directly compared recovery metabolism following exhaustive exercise and exposure to hypoxia. fish muscle energetics phosphorylation potential recovery temperature © The Company of Biologists Limited 2008 2008 15...

...,1989 ; di Prampero et al.,1993 ; Ward-Smith,1985 ; Ward-Smith and Mobey,1995 ; Williams and Cavanagh,1987 ). sprint running muscle energetics human © The Company of Biologists Limited 2005 2005 17 5 2005 * Author for correspondence (e-mail: pprampero...

... the net energy cost (the energetic equivalent of the oxygen consumed), giving the net mechanical efficiency ( e N ). e I is of interest because it provides insights into the fundamental mechanism of energy conversion by myosin cross-bridges. muscle energetics heat production efficiency...

... 1992 scaling locomotion muscle mechanics muscle energetics muscle fibre types Over the past 20 years, Taylor and colleagues have examined how the energetics and mechanics of locomotion scale with body size in mammals. They found that although the weight-specific mechanical power used...

... a greater rate (alkalosis) or slower rate (acidosis) than that of lactate. 14 01 1986 © 1986 by Company of Biologists 1986 amphibian muscle mechanical work muscle energetics It has been suggested ( Bennett & Licht, 1973 ) that amphibians such as grass frogs, engaging...