We've all heard of and perhaps consumed power bars, energy bars and work out bars meant to supply calories for energy. And that's exactly what they do. But some types of sugary foods can raise insulin which in turn slows the body's ability to burn fat. And this slowness can reach a whopping 55%. Don't waste a good work out by eating the wrong kind of food beforehand. Enhance your work out.
The body is full of potential energy. The 4,000 calories that comprise one pound of fat should supply us with enough energy for at least five hours of strenuous physical activity. That translates into running the distance of 38 miles or walking 55 miles. So why, with all this potential energy, do some of us feel so exhausted after walking just a few blocks or after exercising for an hour or so? Part of the blame is in our physical make up. When we exercise muscles contract and during this process fuel must come from somewhere to keep the process going. One source of fuel comes from glucose which is made from a sugar called glycogen. Glycogen is stored in the liver and in muscle tissue. The second source of fuel comes from free fatty acids which are stored in the fat cells. Both kinds of fuel are used throughout the day but for different activities. If you were running to catch a bus quick acting glucose would fuel the energy for this. But if you were performing a sustained aerobic activity fatty acids would keep you going. Enhance your work out.
One might think that by exercising on a regular basis stored fat would be put to immediate use and one would begin losing excess pounds. Unfortunately, while all this exercise is happening, the body is also producing adenosine. This chemical kicks in as soon as one starts to exercise triggering muscle weakness and fatigue. Worst of all it slows our ability to burn fat. Why would adenosine act this way when we are working so hard to burn stored fat? Adenosine is a protective barrier to ensure that primitive man would not waste needed energy in his hunt for food. It promoted fatigue and its presence ensured a supply of fat stores during times of food shortages or even famine. In third world countries this protective mechanism is evident today where food availability is unpredictable. Today with food so readily handy at the nearest supermarket adenosine continues to work as though nothing has happened over the centuries. Despite our best efforts to get rid of excess pounds through diet and exercise adenosine is right there trying to keep the fat from burning off. Enhance your work out.
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