I have a question. Are all the programs and strength guidelins mentioned in PTTP basically the same guidelines as GTG?

the high tension tips mentioned in PTTP: tense your muscles as hard as possible regardless of the weight being used... train no more than 5 times a week..

It is basically GTG right? How come the letters GTG are not mentioned in PTTP at all?

instead I see 2x5, etc. If frequent training is needed for strength, why only do 2 sets a day?

Just Wondering. Thanks