samedi 5 juillet 2014

competition

Competition[edit]

A bodybuilder, Lukas Osladil, posing onstage during a competition. The pose is a variation of the "most muscular".
In competitive bodybuilding, bodybuilders aspire to develop and maintain an aesthetically pleasing body and balanced physique.[11][12] In prejudging, competitors do a series of mandatory poses – the front lat spread, the rear lat spread, the front double biceps, the back double biceps, the side chest, the side triceps, the Most Muscular (men only), and the thigh-abdominal pose. Each competitor also performs a routine to display the physique. A posedown is usually held at the end of a posing round, while judges are finishing their scoring. Bodybuilders spend time practicing their posing, since they are judged on it.
In contrast to strongman or powerlifting competitions where physical strength is important, or to Olympic weightlifting, where the main point is equally split between strength and technique, bodybuilding competitions typically emphasize condition, size and symmetry. Different organizations emphasize particular aspects of competition, and sometimes have different categories in which to compete.

Preparations[edit]

Cutting and bulking[edit]

The general strategy adopted by most present-day competitive bodybuilders is to make muscle gains for most of the year (known as the "off-season") and approximately 12–14 weeks from competition attempt to lose body fat (referred to as "cutting"). The bulking phase entails remaining in a net positive energy balance (calorie surplus). The amount of a surplus that a person remains in is based on the person's goals, as a bigger surplus and longer bulking phase will create more fat tissue. The surplus of calories relative to one's energy balance will ensure that muscles remain in a state of anabolism. The cutting phase entails remaining in a net negative energy balance (calorie deficit). The main goal of cutting is to oxidize fat but also to preserve as much muscle as possible. The larger the calorie deficit, the faster one will lose weight. However, a large calorie deficit will also create the risk of losing muscle tissue.[13]
The precise effectiveness of the cutting and bulking strategy is unknown, with only limited observational case studies on the subject. No studies involving precise hypercaloric feeding combined with resistance exercise have been conducted.

Clean bulking[edit]

Many non-competitive bodybuilders choose not to adopt the conventional strategy, as it often results in significant unwanted fat gain during the "bulking" phase. The attempt to increase muscle mass in one's body without any gain in fat is called clean bulking. Competitive bodybuilders focus their efforts to achieve a peak appearance during a brief "competition season".[citation needed]

Dirty bulking[edit]

"Dirty bulking" is the process of eating at a caloric surplus, without finding the exact number macronutrients (carbs, fats, and proteins). Weight lifters who are attempting to gain mass quickly often choose to use the "dirty bulk" method. [14]

Pre-competition[edit]

In the week leading up to a contest, bodybuilders may decrease their consumption of watersodium and carbohydrates, the former two to alter how water is retained by the body and the latter to reduce glycogen in the muscle. The day before the show, water is removed from the diet, and diuretics may be introduced, while carbohydrate loading to increase the size of the muscles through replenishment of their glycogen. The goal is to maximize leanness and increase the visibility of veins, or "vascularity." The appearance of veins is further enhanced immediately before appearing on stage by darkening the skin through tanning products, and applying oils to the skin to increase shine. Some competitors will eat sugar-rich foods to increase the visibility of their veins. A final step is the use of weights to fill the muscles with blood and further increase their size.

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