http://jap.physiology.org/cgi/content/abstract/102/6/2158
These results indicate that repeated bouts of exercise cause enhanced fat
metabolism compared with a single bout of prolonged exercise of equivalent
total exercise duration.
就是说。一口气运动60分钟。不如30分钟+20分钟休息+30分钟运动对脂肪新陈代谢提高
还是荷尔蒙 (肾上腺素)的原因