QUOTE(uhuk-uhuk @ Mar 5 2009, 01:54 AM)
Concerning the heavy-weights low-rep workout (5x5), the main purpose is to activate "sleeping" muscle fibres which have not been given a reason to be active because of the lack of intensity. Yes, you may lift moderate weights for 15 reps but only the last few reps (perhaps the last 2 or 3), when you are finding it harder to lift, would actually contribute the most to the "waking-up" of the inactive muscle fibres.
So, now that it is clear that the greatest stress is caused by the last few reps, wouldn't it be good to have stress from the very beginning? Of course, you cannot have stress by using moderate weights. You would need to up your poundages to a certain degree that even the first two or three reps of your set would have already put your muscles under stress. When this is done for a few sets (5x5), additional muscle fibers would have a role to play because your muscle fibers are already fatigued. There is now a reason for your muscles to grow.
20reps squat then? XDSo, now that it is clear that the greatest stress is caused by the last few reps, wouldn't it be good to have stress from the very beginning? Of course, you cannot have stress by using moderate weights. You would need to up your poundages to a certain degree that even the first two or three reps of your set would have already put your muscles under stress. When this is done for a few sets (5x5), additional muscle fibers would have a role to play because your muscle fibers are already fatigued. There is now a reason for your muscles to grow.
with heavy weight, 80% to 90% your 5RM
your muscle will be shocked again
Mar 5 2009, 10:16 AM

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