Abstract
Gastric emptying rates of radiolabeled beef stew meals were measured in 10 healthy, young (median age=27 years) male subjects on each of three randomly chosen study days. The subjects either (1) stood at rest, (2) walked on an exercise treadmill at 3.2 km/hr, or (3) at 6.4 km/hr during the study while gastric emptying was being monitored by externally positioned gamma cameras. Compared to the standing at rest study, exercise significantly increased gastric emptying (at rest emptying half-time (t1/2)=72.6±7.6 (sem) min; 3.2 km/hr t1/2=44.5±3.9 min, P=0.0051; 6.4 km/hr t1/2=32.9±1.9 min, P=0,0051). The 6.4 km/hr emptying time was significantly (P=0.0249) faster than the 3.2 km/hr emptying time. Thus, the amount of exercise is a physiological factor that alters solid meal gastric emptying rates.
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Support for this paper was provided by the Veterans Affairs Medical Center, Salt Lake City, Utah 84148.
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Moore, J.G., Datz, F.L. & Christian, P.E. Exercise increases solid meal gastric emptying rates in men. Digest Dis Sci 35, 428–432 (1990). https://doi.org/10.1007/BF01536914
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DOI: https://doi.org/10.1007/BF01536914