The basics to weight training|How Muscles Grow Part 1
Weight training causes micro tears to the muscles that are being trained. The correct term for this is known as micro trauma. The micro tears that happen in the muscle cause the soreness felt after exercise. It has been called DOMS (Delayed Onset Muscle Soreness). It is the repair of the micro-trauma that results in muscle growth. This soreness becomes most apparent a day or two after a workout. It is really important to realise that as muscles become adapted to the exercises, soreness will decrease which is often very frustrating for bodybuilders. The really technical explanation I found on the internet is as follows.
Weight training aims to build muscle by prompting two different types of hypertrophy, sarcoplasmic hypertrophy and myofibrillar hypertrophy. Sarcoplasmic hypertrophy leads to larger muscles so is favoured by bodybuilders more than myofibrillar hypertrophy which builds athletic strength. Sarcoplasmic hypertrophy is triggered by increasing repetitions, whereas myofibrillar hypertrophy is triggered by lifting heavier weights.
In simple terms if you want to tone you need to do light weight with lots of repetitions. If you want to build go much heavier and then do lower reps; if you want to combine the 2 then you will have a very balanced overall workout. It is absolutely possible to both lose fat and build a great body at the same time. My photos bear testimony to that in a very limited space of time.
Nutrition the key
The high levels of muscle growth and repair achieved by bodybuilders require a specialised diet. That is why I have spent so much time putting in this information on nutrition. Generally speaking, bodybuilders require more calories than the average person of the same weight to provide the protein and energy requirements needed to support their training and increase muscle mass. The ratios of food energy from carbohydrates, proteins, and fats will vary from person to person. The amount I eat to get results could be different to the amount you need to eat to get the same result. You have to use a guide but then work it out for yourself.
The following information on carbs and protein I have found in Wikipedia.
Carbohydrates
Carbohydrates play an important role for bodybuilders. Carbohydrates give the body energy to deal with the rigours of training and recovery. 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 rather than muscle, and which can waste energy that should be directed towards muscle growth. However, bodybuilders frequently do ingest some quickly-digesting sugars (often in form of pure dextrose or maltodextrin) after a workout. This may help to replenish glycogen stores within the muscle, and to stimulate muscle protein synthesis.
Protein
Protein milkshakes, made from protein powder and milk, are a common bodybuilding supplement.
Protein is probably one of the most important parts of the diet for the bodybuilder to consider. The motor proteins actin and myosin generate the forces exerted by contracting muscles. Current advice says that bodybuilders should consume 25-30% of protein per total calorie intake to further their goal of maintaining and improving their body composition. This is a widely debated topic, with many arguing that 1 gram of protein per pound of body weight is ideal, some suggesting that less is sufficient, while others recommending 1.5, 2, or more. It is believed that protein needs to be consumed frequently throughout the day, especially during/after a workout, and before sleep. There is also some debate concerning the best type of protein to take. Chicken, turkey, beef, pork, fish, eggs and dairy foods are high in protein, as are some nuts, seeds, beans and lentils. Casein or whey is often used to supplement the diet with additional protein. Whey protein is the type of protein contained in many popular brands of protein supplements, and is preferred by many bodybuilders because of its high Biological Value (BV) and quick absorption rates. Bodybuilders are usually thought to require protein with a higher BV than that of soy, which is additionally avoided due to its claimed estrogenic properties. Still, some nutrition experts believe that soy, flax seeds and many other plants that contain the weak estrogen-like compounds or phytoestrogens can be used beneficially, as phytoestrogens compete with estrogens for receptor sites in the male body and can block its actions. This can also include some inhibition of pituitary functions while stimulating the P450 system (the system that eliminates chemicals, hormones, drugs and metabolic waste product from the body) in the liver to more actively process and excrete excess estrogen. Cortisol decreases amino acid uptake by muscle, and inhibits protein synthesis.
Meals
Bodybuilders usually split their food intake for the day into 5 to 7 meals of roughly equal nutritional content and attempt to eat at regular intervals (normally between 2 and 3 hours). This method purports to serve 2 purposes: to limit overindulging as well as increasing basal metabolic rate when compared to the traditional 3 meals a day.
Rest
I cannot stress enough the importance of rest. This is the time the muscle grows. Most people do loads and loads of training in the gym trying to get max growth when in fact the growth takes place when you rest. Muscle stimulation occurs in the gym, lifting weights, but the actual muscle growth occurs afterwards during rest. Without adequate rest and sleep, muscles do not have an opportunity to recover and build. About eight hours of sleep a night is great for the bodybuilder to be rested, although this varies from person to person. Many people training find a daytime nap helps them to increases their body's ability to build muscle. Some bodybuilders take several naps per day, during peak anabolic phases and during catabolic phases.
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