Archive for May, 2010
Facts and Fallacies of Fitness: What is Aerobics Really?
Posted by Editor in How To Get Big Muscles on May 30th, 2010
The entire recreational form of exercise known as ‘aerobics’ is based on the categorisation that certain activities are ‘aerobic’ and others are ‘anaerobic’, where the former term is applied to exercise which relies on continuous use of oxygen, whereas the latter refers to exercise which does not use oxygen.
This categorisation has led to the difficulty the layperson has in understanding that sprinting is not an aerobic event, even though the sprinter is obviously breathing oxygen very heavily throughout the race. All too often does one hear the comment that a sprinter does not breathe at all during a race. This is untrue and misleading. Sprints are ‘anaerobic’ because the inhaled oxygen is unable to be used immediately and directly during the sprint to metabolise stored fuels in the body.
Moreover, it needs to be pointed out that cellular oxidation by direct reliance on molecular oxygen occurs only at the end of a series of specific metabolic processes which remove hydrogen atoms in successive stages from the energy-producing substances derived from our food.
Today, the terms ‘aerobic’ and ‘anaerobic’ are regarded by the scientific community as archaic and somewhat inaccurate, and are often replaced by ‘oxygen-dependent’ (oxidative) and ‘oxygen-independent’ (non-oxidative), respectively. This change in terminology recognises the fact that oxidation does not refer only to the gain of oxygen by certain substances or compounds. Oxidation also occurs in a reaction in which hydrogen atoms are removed from a compound, a process which continually takes place in the human body. The acquisition of oxygen atoms or the loss of hydrogen atoms are both characterised by the oxidised substance losing negatively charged entities known as electrons. Thus, oxidation refers to any reaction whereby a chemical compound loses electrons.
The current Western craze of ‘aerobics’ drew its name from Kenneth Cooper’s early book entitled Aerobics, largely to emphasize the fact that this form of exercise was intended to enhance cardiovascular endurance. Today, the term ‘aerobics’ is applied loosely to all forms of exercise done to music in the health club environment, including ’stretch-and-tone’, which place no meaningful stress on the ‘aerobic’ (oxygen dependent) system.
True ‘aerobic’ exercise involves predominantly the long-term energy system (or pathway), which requires the continuous use of oxygen for the oxidation of glycogen (stored in the muscles and liver) or fatty acids (from stored body fats). When the exercise intensity increases, the two ‘anaerobic’ energy systems furnish the necessary energy: the short-duration system (high energy phosphate or ATP-CP system), and the intermediate energy system.
The short-term system used to be referred to as the ‘alactic anaerobic energy’ system. Its preferred name today is the phosphagen or high energy phosphate system. The intermediate system used to be known as the lactic acid (LA) system or the ‘lactic anaerobic’ (or anaerobic glycolytic) system. Now, the more accepted term is the oxygen-independent (or non-oxidative) glycolytic system.
What distinguishes these two systems from the ‘aerobic’ system is the fact that the higher intensity of muscular effort involved in both cases severely limits their duration. Thus, if one becomes breathless or the muscles are unable to continue operating without rest in a fitness class, it is a clear indication that the exercise is not ‘aerobic’. This should become most obvious to the aerobics instructor, who constantly has to talk to the class and give ongoing commands. If she cannot maintain a normal instructional conversation with her clients, she is no longer working in the ‘aerobic zone’. She will find that her pulse rate is beginning to fall beyond the recommended cardiovascular training heart rate.
This occurs at a point known formely as the anaerobic threshold. The more popular term now is the blood lactate turnpoint (or threshold) or OBLA (Onset of Blood Lactate Accumulation), since this marks the stage when the rate of lactate accumulation begins to exceed its rate of removal. Although this greater attention to scientific accuracy would appear to place ‘aerobic’ processes and cardiovascular training on a sounder footing, it should not obscure the fact that each energy system or pathway is simultaneously involved in all exercise. The degree to which any particular system predominates over a given period is determined primarily by the intensity of the muscle action involved.
Even then, one has to recognise that different energy pathways are involved at the same instant to sustain tonic (postural, stabilising) muscle action and phasic (dynamic) muscle action of different durations. Stated in another way, different energy pathways may be implicated at a systemic level and a local muscular level. In this respect, it is important to appreciate that all human movement involves muscle actions which simultaneously stabilise and move the muscles and joints, so that the body may rely on cardiovascular (oxygen-dependent) processes for its prolonged overall movement in a particular event, while the postural muscles may periodically draw upon oxygen-independent processes.
Thus, systemically, oxidative processes might be dominant, whereas locally, non-oxidative processes might also be highly active. It is incorrect to state that only one energy system or pathway is active during a specific activity. For example, marathon races between equally-matched elite performers may be won by the athlete who can make the most efficient use of oxygen-independent processes during crucial phases such as hill-climbing or concluding bursts of speed.
This emphasizes that successful physical conditioning for all sports depends on a good understanding of the energy processes of the body and how various dedicated or ‘cross-training’ exercise regimes contribute to developing the appropriate fitness profile required for each specific sport.
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Facts and Fallacies of Fitness
Tips to Build Muscle Faster
Posted by Editor in How To Get Big Muscles on May 29th, 2010
There are countless ways in which you can improve the speed of achieving the right results from your body building programt . These involve the use of specific exercises and the right type of dieting. The following tips on muscle building have been tested and proven to work;
One of the best methods for getting a bigger muscles is through weightlifting . In order to make it more effective, you have to pick the heaviest weights possible for your work outs. Most body building beginners find it difficult to estimate the maximum load they can lift, so the experts recommend the use of a simple rule: you should be able to lift easily yet with effort the right weight, and then able to perform the exercise with those weights around ten times. If you feel that you can do more, then you have to pick heavier loads and vice versa.
When you exercise, you have to work out more than one muscle group in order to build mass more quickly. This is possible through the so called compound movements that allow you to train more than one joint area. There are a number of such multitasking exercises that you can use to work out your arm, shoulder, and chest muscles. You might have to do some more research in order to find the more sophisticated ones, but it is a good idea to start with the basic ones like the bench press.
It is essential for you not to exercise heavily. By having enough rest between the workouts, you will give enough time for the muscle tissue to recover and to grow. In fact, most of the fitness gurus recommend work outs only three times a week for effective results.
Your diet has to be balanced and rich in carbohydrates and protein. You should eat standard portions of poultry, fish, eggs and dairy, accompanied by fresh vegetables. Exclude junk food and sweets from your diet and have frequent meals to gain muscle fast.
Creating a Bodacious Booty
Posted by Editor in How To Get Big Muscles on May 29th, 2010
Making a Bodacious Booty
We all love the look of the well-fitted pants suit, jeans or shorts, so don’t allow your flat back again side ruin it! In case you need to build a booty you might require to operate the muscle groups to firm them up and include a little size. Don’t worry ladies, your butt is not going to get bigger How to Get Ripped Abs! It are going to be more defined and also have a desirable rotund form. Following making up the muscle you can will need to strip away the weight covering it up. Let’s get began.
One of the most successful workouts for developing the butt, also called the gluteus maximus, are compound movements involving the hip, thigh and hamstring region. The squat is often a great illustration. If you’re a novice, start off utilizing bodyweight only. Location your feet hip width apart and pretend you happen to be going to sit down in the chair From Skinny to Muscular. After your thighs are parallel towards the floor, propel your self back again to some standing place using your muscle tissues. Do 20-25 reps for 3-4 sets. As you receive more powerful, steadily add dumbbells to improve the resistance. You can also vary your foot positioning; attempt squats using the feet closer collectively or extremely wide squats, also referred to as plie squats.
Following are lunges. Stand with ft with each other, then take on a giant step forward bending both your knees at a 90 degree angle. Now provide your front foot back again in location and alternate using the other leg. Very first do them along with your bodyweight only. Do 20-25 reps for 3-4 sets. As you obtain stronger, steadily add dumbbells to enhance the resistance. You possibly can also vary your regimen by undertaking reverse lunges; beginning with ft together, acquire a step backward, then provide that foot again in location. Walking lunges; bring a action forward and bring your back again foot up for your front foot and keep on to “walk” across the space lunging.
After 4-6 weeks you need to have built up the muscle pretty a little bit. Now it is time to strip aside the fat by accomplishing cardio. Do 30-45 minutes 4-5 times a week of an activity of one’s selection. Whether it is operating, skating, biking, hiking Firm And Flatten Your Abs Review, pick something you like to do and stick to it. Keep on performing your opposition workouts so the muscle will remain organization and taut, and eat a thoroughly clean eating habits.
