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Keywords: shivering
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Journal Articles
J Exp Biol (2020) 223 (21): jeb233668.
Published: 04 November 2020
... acclimatization triggers fuel selection in skeletal muscle metabolism towards lipid oxidation in vitro , which is reflected by a drastic increase in lipid-induced thermogenesis in vivo . However, the exact nature of skeletal muscle thermogenic mechanisms (shivering and/or non-shivering thermogenesis) remains...
Journal Articles
J Exp Biol (2014) 217 (6): 824–830.
Published: 15 March 2014
... of maximal shivering thermogenic capacity). However, evidence suggesting that pectoral muscle size influences Ṁ sum is correlational and the link between haematrocrit level and Ṁ sum remains to be demonstrated. We experimentally tested the relationship between pectoral muscle size and Ṁ sum by manipulating...
Journal Articles
J Exp Biol (2012) 215 (13): 2203–2209.
Published: 01 July 2012
... in flight, warm-up by shivering of the major flight muscles is necessary to reach a thoracic temperature suitable to sustain flight. Here we show that Helicoverpa zea males exposed to an attractive pheromone blend (and in some instances to the primary pheromone component alone) started shivering earlier...
Journal Articles
J Exp Biol (2011) 214 (2): 286–294.
Published: 15 January 2011
... selection is performed by recruiting different muscles, different fibers within the same muscles or different pathways within the same fibers. Electromyographic analyses show that shivering humans can modulate carbohydrate oxidation either through the selective recruitment of type II fibers within the same...
Journal Articles
J Exp Biol (2005) 208 (2): 317–325.
Published: 15 January 2005
... for up to 30 000 km annually. Our goal was to quantify the fuel selection pattern of these remarkable athletes during shivering and terrestrial locomotion. We used indirect calorimetry and nitrogen excretion analysis to measure their rates of lipid, carbohydrate and protein oxidation at different...
Journal Articles
J Exp Biol (1991) 159 (1): 419–431.
Published: 01 September 1991
.... During warm-up, muscle potential frequencies in DL muscles were higher than in DV muscles (DL frequency/DV frequency =1.3), whereas during flight the ratio reversed (DL/DV=0.8). The scutal fissure was completely closed during shivering warm-up, apparently because the DL muscles shortened as much...
Journal Articles
J Exp Biol (1987) 127 (1): 313–332.
Published: 01 January 1987
... of similar mass and wing-loading that fly in the summer or that reside in tropical regions, the nocturnal cuculinids fly with a thoracic temperature of 30–35°C. The generation and maintenance of such high thoracic temperatures at low air temperatures depends on (1) the ability to begin shivering at very low...