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| washboardabdominals, weight loss hypnosis, healthy weight loss, lactate, fertility, myoquake, boa 2000, weight loss management program, physician weight loss, waist, find free article search at articlesfactory, fat burning program, manhasset, fitness questions and answers, diets, cabbage soup diet, depression, rom the time machine, | The eccentric phase should be a slower movement, taking 2-4 seconds to complete. To fully appreciate the importance of the two part movements, you must understand the effect it has on the muscles. The muscles are made up of millions of fibers called myofibrils. During the positive phase the myofibrils contract and use ATP (adenosine triphosphate) as energy for their contraction. The amount fitnesstrainer of ATP is depleted with the completion of each fitnesstrainer repetition. When the myofibrils reach a state of ATP fitnesstrainer exhaustion the muscle experiences momentary muscle failure. The effect the positive movement has on the muscle fibers is to increase the strength and endurance of the fiber’s ability to contract. However, it plays a secondary role in the growth of the muscle. |
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| Perfect Form Learning how to use proper form will speed up your results and help to avoid injuries. fitness questions and answers To develop good technique you must understand that weight training is a two-part movement. fitness questions and answers Part one is called the concentric phase (shortening of muscle), or positive phase movement of an fitness questions and answers exercise. This is where the weight is lifted and the muscle group being isolated is contracted. The concentric movement should be an explosive movement taking 1-2 seconds to complete. At the end of the movement you flex the muscle and hold it for one second, creating an isometric effect (holding contraction of muscle). Part two is called the eccentric phase (lengthening of muscle) or negative phase movement of the exercise. This is where the weight is lowered back to the starting position and the muscle recoils. |
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