Bodybuilding is the use of progressive resistance exercise to control and develop one's musculature for aesthetic purposes.[1] An individual who engages in this activity is referred to as a bodybuilder. In competitive bodybuilding, bodybuilders appear in lineups and perform specified poses (and later individual posing routines) for a panel of judges who rank the competitors based on criteria such as symmetry, muscularity, and conditioning. Bodybuilders prepare for competitions through the elimination of nonessential body fat, enhanced at the last stage by a combination of extracellular dehydration and carbohydrate loading, to achieve maximum muscular definition and vascularity, as well as tanning to accentuate the contrast of the skin under the spotlights. Bodybuilders may use anabolic steroids and other performance-enhancing drugs to build muscles.

Perform three weight-training sessions per week, hitting your whole body each time. Base your routine on compound exercises such as squats, lunges and deadlifts. These burn the most calories, hit more muscles and give the best bang for your buck, claims Rachel Cosgrove, strength coach and co-founder of Results Fitness in California. If you're not sure of any exercise techniques, ask a trainer at your gym for assistance.
Is your resting heart rate jacked up today? Are you too sore from your last workout to walk? Did you only sleep a few hours the last night? Skipped breakfast and lunch? Congrats, you just earned yourself a rest day. In other words - go home. You aren't going to get anything but an increased risk of injury by training in any one of these conditions.
“Stand with your feet slightly wider than your hips, feet facing forward. Look straight ahead with your arms out in front of your body. With chest out, shoulders back, and abs tight, slowly lower your butt down as far as you can. Make sure your knees do not push forward past your toes. Weight should be in your heels, not your toes. Return to starting position, without rounding your back as you stand, and complete 15-20 reps.”
Simply stated, this means that if you perform an exercise using a complete range of motion, you can achieve a maximal effect in the process of muscle breakdown. Stressing the muscle over a long range of motion not only breaks down a much more significant amount of tissue, it also can help lead to more flexibility in the joints associated with the lifts.
The wall sit, also known as a static squat, is performed by placing one's back against a wall with feet shoulder width apart, and lowering the hips until the knees and hips are both at right angles. The position is held as long as possible. The exercise is used to strengthen the quadriceps. Contrary to previous advice in this section, this exercise is NOT good for people with knee problems because the knees bear most of the load, especially when they are held at right angles (90 degrees).[citation needed]

Simply stated, this means that if you perform an exercise using a complete range of motion, you can achieve a maximal effect in the process of muscle breakdown. Stressing the muscle over a long range of motion not only breaks down a much more significant amount of tissue, it also can help lead to more flexibility in the joints associated with the lifts.
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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