I was doing 10 sets of 10 on the extensions using 15-20 second rest between.
When you get up around 80 reps you are hatin life 
I do those sometimes just for legs (quads) all by them selves.
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35. A majority of mankind lives in the world without; few have found the world within, and yet it is the world within that makes the world without; it is therefore creative and everything which you find in your world without has been created by you in the world within.
**Master Key System**
Scott
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