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| diet facts, 6 pack, forum, basketball, sodium, weight loss product, exercise equipment, a1cnow, hemoglobin a1c, weight loss industry, heart, calorie counter, add, gravityhomer'sfat loss guide, power lifting, r.o.m., barry sears, bestweight loss exercise program, herbalife weight loss, jamaica, bbs, weight training, fast, consumer, | 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 of ATP is depleted with the slowing metabolism completion of each repetition. When the myofibrils reach a state of ATP exhaustion the muscle experiences slowing metabolism momentary muscle failure. The slowing metabolism 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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| Part one is called the concentric phase (shortening of muscle), or positive phase movement of an calorie counter 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 calorie counter 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 calorie counter is where the weight is lowered back to the starting position and the muscle recoils. 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. |
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