Body building is probably the healthiest activity that any individual can perform.The scientifi c literature documents that resistance exercise not only serves to induce positive physiological changes but also can help to enhance and maintain our functional ability in later life.While this is all to the good, it remains true that the fi rst reason most people have for working out is to improve their appearance, and in this respect, bodybuilding is without peer in the fi tness world. Running, for example, being an activity that is restricted predominantly to the lower body, cannot signifi cantly improve your upper-body strength, nor can it enhance your fl exibility. Stretching or yoga can enhance your fl exibility, within certain genetically determined limits, but neither can improve your cardiovascular effi ciency to any meaningful degree.
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