There are several levels of the physical state of the body.A complete beginner will have problems with the simplest forms and usually willnot be able to do many repetitions in a set. After a while, when some fat is changedwith the muscle tissue, things will become a bit different. More energy will beaccumulated and therefore, tasks put in front of the beginner will be easilyoverpowered. And this should go on until a practitioner reaches the level whenhe or she thinks there is not much that can be done in the specific physical activity.
And that is where they do make mistake. Usually, people tryto stick to one of the several types of physical activity and take it to themaximum limit. But, the problem with muscles is, that if just one type of workouthas been used, then the muscles get used to that activity and at one point, it mightseem that performing of those exercises is easy. At that point, some crosstraining might be needed. Cardio workout is crossed with muscle mass building,but there is also one interesting type of workout and those exercises arecalled plyometric training exercises.
Plyometric abilities are all about increasing the explosive poweras much as possible. And that is done on the mechanism that enhances ourability to perform an exercise as powerful as possible, as fast as possible. Thistype of exercises includes forms for both upper and lower body. Lower forms arevery interesting and include an entire set of different jumping exercises(death jumps, lower jumps etc.). But some things have to be emphasized. Forexample, plyometric should not be done whenever a practitioner wants to do it; it is not recommendable to do plyometric workout only a day after intensiveheavy lifting session. Also, there must not be more than two or three trainingsessions in a week, which partially creates a problem, especially if this isthe supplemental type of workout and is only complementing another type of workout, which is a dominant one (with 3 or 4 rounds).
Other things to consider
When exercising, things like dieting should become veryimportant and obviously very healthy, with the numbers of calories just enoughfor a fat burning process to start but not low enough to be unhealthy. Somesupplements can be used in order to enhance your physical condition further.