Undoubtedly, anyone who has attempted a fitness program with the purpose of losing weight has felt frustrated because the volume of work put in never seems to equal the amount of weight lost. There is a very simple explaination for this phenomenon: It all comes down to physics. There is a principle of physics called the law of thermodynamics. This basically states that energy (calories) can be stored or used. However, the calories that are put in will be of the same value when they are used or burned through exercise. Essentially, this is how weight...
