You know the deep burn you feel in your muscles after sprinting up several flights of stairs or pounding out 12 to 15 reps on your last set of heavy squats? That’s the result of metabolic stress, which is the accumulation of waste products from anaerobic energy production, and research shoes that it can be a powerful stimulus for adaptation (i.e., muscle growth). Want to maximize metabolic stress? Do moderate-duration, high-intensity activities that causes burning in the muscles; think 45 seconds of max-effort bodyweight squat-to-presses or lunge-to-curls, or 30 seconds of max-effort sprinting.

Strength training seeks to make a stronger you, while bodybuilding kicks the goal up several notches -- to make your body a visual statement of rippling muscle and taut sinew. You can become a female bodybuilder and still maintain your femininity and appeal, as demonstrated by bodybuilding icons such as Rachel McLish and Marissa Rivero, successful actresses and beautiful models. To get started, you need mainly to commit to an initial three months of dedicated work, as well as planning and tracking your progress.
There are so many great strength- and muscle-building exercises to choose from, so picking the 10 best bodybuilding exercises is a tough (and subjective) task. But the following exercises have withstood the test of time, outlasted every fitness fad and trend, and continue to be the most reliable exercises for bodybuilders. Go ahead, ask any hardcore fitness fanatic and chances are, all of these moves are in their regular arsenal.

An article by Muscle & Fitness magazine, "Overtrain for Big Gains", claimed that overtraining for a brief period can be beneficial. Overtraining can be used advantageously, as when a bodybuilder is purposely overtrained for a brief period of time to super compensate during a regeneration phase. These are known as "shock micro-cycles" and were a key training technique used by Soviet athletes.[53]

Carbohydrates play an important role for bodybuilders. They give the body energy to deal with the rigors of training and recovery. Carbohydrates also promote secretion of insulin, a hormone enabling cells to get the glucose they need. Insulin also carries amino acids into cells and promotes protein synthesis.[26] Insulin has steroid-like effects in terms of muscle gains.[27] It is impossible to promote protein synthesis without the existence of insulin, which means that without ingesting carbohydrates or protein—which also induces the release of insulin—it is impossible to add muscle mass.[28] Bodybuilders seek out low-glycemic polysaccharides and other slowly digesting carbohydrates, which release energy in a more stable fashion than high-glycemic sugars and starches. This is important as high-glycemic carbohydrates cause a sharp insulin response, which places the body in a state where it is likely to store additional food energy as fat. However, bodybuilders frequently do ingest some quickly digesting sugars (often in form of pure dextrose or maltodextrin) just before, during, and/or just after a workout. This may help to replenish glycogen stored within the muscle, and to stimulate muscle protein synthesis.[29]
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