Not only are you losing muscle by exercising hungry, but since you have no fuel to work out, you won't have the energy to exercise as long or as intensely as you would if you had eaten.
This translates to less overall calories burned. In another study, women...
QUOTE OF THE DAY (05 February 2012): A man without a smiling face must not open a shop - Chinese Proverb
JOKES
JOKE: Memory Class
An elderly couple had been experiencing declining memories, so they decided to take a power memory class where one is taught to remember things by association.
A few days after the class, the old man was outside talking with his neighbour about how much the class helped him.
"What was the name of the Instructor?" asked the neighbour.
"Oh, ummmm, let's see," the old man pondered. "You know that flower, you know, the one that smells really nice but has those prickly thorns, what's that flower's name?"
"A rose?" asked the neighbour.
"Yes, that's it," replied the old man. He then turned toward his house and shouted, "Hey, Rose, what's the name of the Instructor we took the memory class from?"