... 1996 muscle oxidative metabolism substrate pathways carbohydrates glucose fatty acids capillaries sarcolemma mitochondria symmorphosis dog goat It is generally accepted that the upper limit of aerobic muscle metabolism is set by the maximal rate of oxygen consumption...

... exercise intensities. These are limited by the transport capacities of the sarcolemma. * Present address: Department of Physiology, University of Texas, Southwestern Medical Center, Dallas, TX 752335, USA. 3 4 1996 © 1996 by Company of Biologists 1996 muscle oxidative...

... in the muscle cells of the dog is about twice as much as would match the differences in the maximal rates of utilization. This allows the endurance-specialized dogs to run for longer periods at higher rates of oxidation. 3 4 1996 © 1996 by Company of Biologists 1996 muscle oxidative...