... during submersion (naive 18±4.3 beats min –1 versus trained 35±3.4 beats min –1), muscle blood flow measured using laser-Doppler flowmetry (naive 1.8±0.8 ml min –1 100 g –1 versus trained 5.8±3.9 ml min –1 100 g –1), change in venous P O 2 (naive –0.44±1.25 kPa versus trained –1.48±0.76 kPa) and muscle...

... even larger improvements in cardiac pump function) may reveal that pulmonary diffusion capacity is the limiting factor. © 1985 by Company of Biologists 1985 Work capacity circulation muscle blood flow Adaptations to physical activity or inactivity can be described in terms...