"More weight = more microtrauma = more growth"
I like this portion of the article you posted. This is the theory I have gone by, and it has reaped some very good gains for me. Of course I have workouts in the higher rep ranges periodically, but for the most part I keep the reps low in combination with heavy weight. Some like to claim that the amount of time under pressure is the most important aspect that comes into play when shooting for more growth. However, I disagree somewhat. While IMPORTANT I do not think it is the MOST important aspect. I believe the amount of stress you are putting on the muscle, form, intesity, AND time under pressure are all important. More weight means more stress. Generally it is thought that 5 reps is the minimum amount needed to induce hypertrophy, but some have had success off of fewer. The best I can suggest is to cycle through, because higher rep ranges are important too. Do not sacrifice form simply for the satisfaction of completing one more rep. Somewhat off topic I know, but rep ranges and weight amount discussions really spark my interest.
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Scott
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